Without this, this new driver fails to link:
drivers/usb/gadget/udc/tegra-xudc.o: In function `tegra_xudc_remove':
tegra-xudc.c:(.text+0x19d4): undefined reference to `usb_role_switch_unregister'
drivers/usb/gadget/udc/tegra-xudc.o: In function `tegra_xudc_probe':
tegra-xudc.c:(.text+0x2a34): undefined reference to `usb_role_switch_register'
drivers/usb/gadget/udc/tegra-xudc.o: In function `tegra_xudc_usb_role_sw_work':
tegra-xudc.c:(.text+0x4b64): undefined reference to `usb_role_switch_get_role'
Fixes: 49db427232 ("usb: gadget: Add UDC driver for tegra XUSB device mode controller")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20191216131831.3228566-1-arnd@arndb.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Amend the endpoint-descriptor sanity checks to detect all duplicate
endpoint addresses in a configuration.
Commit 0a8fd13462 ("USB: fix problems with duplicate endpoint
addresses") added a check for duplicate endpoint addresses within a
single alternate setting, but did not look for duplicate addresses in
other interfaces.
The current check would also not detect all duplicate addresses when one
endpoint is as a (bi-directional) control endpoint.
This specifically avoids overwriting the endpoint entries in struct
usb_device when enabling a duplicate endpoint, something which could
potentially lead to crashes or leaks, for example, when endpoints are
later disabled.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20191219161016.6695-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If the serial device is disconnected and reconnected, it re-enumerates
properly but does not link it. fwiw, linking means just saving the port
index, so allow it always as there is no harm in saving the same value
again even if it tries to relink with the same port.
Fixes: fb2b90014d ("tty: link tty and port before configuring it as console")
Reported-by: Kenneth R. Crudup <kenny@panix.com>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191227174434.12057-1-sudipm.mukherjee@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In order to match ZBC defined behavior, closing an empty zone must
result in the "empty" zone condition instead of the "closed" condition.
Fixes: da644b2cc1 ("null_blk: add zone open, close, and finish support")
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We ran into a problem with a mpt3sas based controller, where we would
see random (and hard to reproduce) file corruption). The issue seemed
specific to this controller, but wasn't specific to the file system.
After a lot of debugging, we find out that it's caused by segments
spanning a 4G memory boundary. This shouldn't happen, as the default
setting for segment boundary masks is 4G.
Turns out there are two issues in get_max_segment_size():
1) The default segment boundary mask is bypassed
2) The segment start address isn't taken into account when checking
segment boundary limit
Fix these two issues by removing the bypass of the segment boundary
check even if the mask is set to the default value, and taking into
account the actual start address of the request when checking if a
segment needs splitting.
Cc: stable@vger.kernel.org # v5.1+
Reviewed-by: Chris Mason <clm@fb.com>
Tested-by: Chris Mason <clm@fb.com>
Fixes: dcebd75592 ("block: use bio_for_each_bvec() to compute multi-page bvec count")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Dropped const on the page pointer, ppc page_to_phys() doesn't mark the
page as const...
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When starting writeback for a range that covers part of a preallocated
extent, due to a race with writeback for another range that also covers
another part of the same preallocated extent, we can end up in an infinite
loop.
Consider the following example where for inode 280 we have two dirty
ranges:
range A, from 294912 to 303103, 8192 bytes
range B, from 348160 to 438271, 90112 bytes
and we have the following file extent item layout for our inode:
leaf 38895616 gen 24544 total ptrs 29 free space 13820 owner 5
(...)
item 27 key (280 108 200704) itemoff 14598 itemsize 53
extent data disk bytenr 0 nr 0 type 1 (regular)
extent data offset 0 nr 94208 ram 94208
item 28 key (280 108 294912) itemoff 14545 itemsize 53
extent data disk bytenr 10433052672 nr 81920 type 2 (prealloc)
extent data offset 0 nr 81920 ram 81920
Then the following happens:
1) Writeback starts for range B (from 348160 to 438271), execution of
run_delalloc_nocow() starts;
2) The first iteration of run_delalloc_nocow()'s whil loop leaves us at
the extent item at slot 28, pointing to the prealloc extent item
covering the range from 294912 to 376831. This extent covers part of
our range;
3) An ordered extent is created against that extent, covering the file
range from 348160 to 376831 (28672 bytes);
4) We adjust 'cur_offset' to 376832 and move on to the next iteration of
the while loop;
5) The call to btrfs_lookup_file_extent() leaves us at the same leaf,
pointing to slot 29, 1 slot after the last item (the extent item
we processed in the previous iteration);
6) Because we are a slot beyond the last item, we call btrfs_next_leaf(),
which releases the search path before doing a another search for the
last key of the leaf (280 108 294912);
7) Right after btrfs_next_leaf() released the path, and before it did
another search for the last key of the leaf, writeback for the range
A (from 294912 to 303103) completes (it was previously started at
some point);
8) Upon completion of the ordered extent for range A, the prealloc extent
we previously found got split into two extent items, one covering the
range from 294912 to 303103 (8192 bytes), with a type of regular extent
(and no longer prealloc) and another covering the range from 303104 to
376831 (73728 bytes), with a type of prealloc and an offset of 8192
bytes. So our leaf now has the following layout:
leaf 38895616 gen 24544 total ptrs 31 free space 13664 owner 5
(...)
item 27 key (280 108 200704) itemoff 14598 itemsize 53
extent data disk bytenr 0 nr 0 type 1
extent data offset 0 nr 8192 ram 94208
item 28 key (280 108 208896) itemoff 14545 itemsize 53
extent data disk bytenr 10433142784 nr 86016 type 1
extent data offset 0 nr 86016 ram 86016
item 29 key (280 108 294912) itemoff 14492 itemsize 53
extent data disk bytenr 10433052672 nr 81920 type 1
extent data offset 0 nr 8192 ram 81920
item 30 key (280 108 303104) itemoff 14439 itemsize 53
extent data disk bytenr 10433052672 nr 81920 type 2
extent data offset 8192 nr 73728 ram 81920
9) After btrfs_next_leaf() returns, we have our path pointing to that same
leaf and at slot 30, since it has a key we didn't have before and it's
the first key greater then the key that was previously the last key of
the leaf (key (280 108 294912));
10) The extent item at slot 30 covers the range from 303104 to 376831
which is in our target range, so we process it, despite having already
created an ordered extent against this extent for the file range from
348160 to 376831. This is because we skip to the next extent item only
if its end is less than or equals to the start of our delalloc range,
and not less than or equals to the current offset ('cur_offset');
11) As a result we compute 'num_bytes' as:
num_bytes = min(end + 1, extent_end) - cur_offset;
= min(438271 + 1, 376832) - 376832 = 0
12) We then call create_io_em() for a 0 bytes range starting at offset
376832;
13) Then create_io_em() enters an infinite loop because its calls to
btrfs_drop_extent_cache() do nothing due to the 0 length range
passed to it. So no existing extent maps that cover the offset
376832 get removed, and therefore calls to add_extent_mapping()
return -EEXIST, resulting in an infinite loop. This loop from
create_io_em() is the following:
do {
btrfs_drop_extent_cache(BTRFS_I(inode), em->start,
em->start + em->len - 1, 0);
write_lock(&em_tree->lock);
ret = add_extent_mapping(em_tree, em, 1);
write_unlock(&em_tree->lock);
/*
* The caller has taken lock_extent(), who could race with us
* to add em?
*/
} while (ret == -EEXIST);
Also, each call to btrfs_drop_extent_cache() triggers a warning because
the start offset passed to it (376832) is smaller then the end offset
(376832 - 1) passed to it by -1, due to the 0 length:
[258532.052621] ------------[ cut here ]------------
[258532.052643] WARNING: CPU: 0 PID: 9987 at fs/btrfs/file.c:602 btrfs_drop_extent_cache+0x3f4/0x590 [btrfs]
(...)
[258532.052672] CPU: 0 PID: 9987 Comm: fsx Tainted: G W 5.4.0-rc7-btrfs-next-64 #1
[258532.052673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-0-ga698c8995f-prebuilt.qemu.org 04/01/2014
[258532.052691] RIP: 0010:btrfs_drop_extent_cache+0x3f4/0x590 [btrfs]
(...)
[258532.052695] RSP: 0018:ffffb4be0153f860 EFLAGS: 00010287
[258532.052700] RAX: ffff975b445ee360 RBX: ffff975b44eb3e08 RCX: 0000000000000000
[258532.052700] RDX: 0000000000038fff RSI: 0000000000039000 RDI: ffff975b445ee308
[258532.052700] RBP: 0000000000038fff R08: 0000000000000000 R09: 0000000000000001
[258532.052701] R10: ffff975b513c5c10 R11: 00000000e3c0cfa9 R12: 0000000000039000
[258532.052703] R13: ffff975b445ee360 R14: 00000000ffffffef R15: ffff975b445ee308
[258532.052705] FS: 00007f86a821de80(0000) GS:ffff975b76a00000(0000) knlGS:0000000000000000
[258532.052707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[258532.052708] CR2: 00007fdacf0f3ab4 CR3: 00000001f9d26002 CR4: 00000000003606f0
[258532.052712] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[258532.052717] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[258532.052717] Call Trace:
[258532.052718] ? preempt_schedule_common+0x32/0x70
[258532.052722] ? ___preempt_schedule+0x16/0x20
[258532.052741] create_io_em+0xff/0x180 [btrfs]
[258532.052767] run_delalloc_nocow+0x942/0xb10 [btrfs]
[258532.052791] btrfs_run_delalloc_range+0x30b/0x520 [btrfs]
[258532.052812] ? find_lock_delalloc_range+0x221/0x250 [btrfs]
[258532.052834] writepage_delalloc+0xe4/0x140 [btrfs]
[258532.052855] __extent_writepage+0x110/0x4e0 [btrfs]
[258532.052876] extent_write_cache_pages+0x21c/0x480 [btrfs]
[258532.052906] extent_writepages+0x52/0xb0 [btrfs]
[258532.052911] do_writepages+0x23/0x80
[258532.052915] __filemap_fdatawrite_range+0xd2/0x110
[258532.052938] btrfs_fdatawrite_range+0x1b/0x50 [btrfs]
[258532.052954] start_ordered_ops+0x57/0xa0 [btrfs]
[258532.052973] ? btrfs_sync_file+0x225/0x490 [btrfs]
[258532.052988] btrfs_sync_file+0x225/0x490 [btrfs]
[258532.052997] __x64_sys_msync+0x199/0x200
[258532.053004] do_syscall_64+0x5c/0x250
[258532.053007] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[258532.053010] RIP: 0033:0x7f86a7dfd760
(...)
[258532.053014] RSP: 002b:00007ffd99af0368 EFLAGS: 00000246 ORIG_RAX: 000000000000001a
[258532.053016] RAX: ffffffffffffffda RBX: 0000000000000ec9 RCX: 00007f86a7dfd760
[258532.053017] RDX: 0000000000000004 RSI: 000000000000836c RDI: 00007f86a8221000
[258532.053019] RBP: 0000000000021ec9 R08: 0000000000000003 R09: 00007f86a812037c
[258532.053020] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000000074a3
[258532.053021] R13: 00007f86a8221000 R14: 000000000000836c R15: 0000000000000001
[258532.053032] irq event stamp: 1653450494
[258532.053035] hardirqs last enabled at (1653450493): [<ffffffff9dec69f9>] _raw_spin_unlock_irq+0x29/0x50
[258532.053037] hardirqs last disabled at (1653450494): [<ffffffff9d4048ea>] trace_hardirqs_off_thunk+0x1a/0x20
[258532.053039] softirqs last enabled at (1653449852): [<ffffffff9e200466>] __do_softirq+0x466/0x6bd
[258532.053042] softirqs last disabled at (1653449845): [<ffffffff9d4c8a0c>] irq_exit+0xec/0x120
[258532.053043] ---[ end trace 8476fce13d9ce20a ]---
Which results in flooding dmesg/syslog since btrfs_drop_extent_cache()
uses WARN_ON() and not WARN_ON_ONCE().
So fix this issue by changing run_delalloc_nocow()'s loop to move to the
next extent item when the current extent item ends at at offset less than
or equals to the current offset instead of the start offset.
Fixes: 80ff385665 ("Btrfs: update nodatacow code v2")
CC: stable@vger.kernel.org # 4.4+
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Bio attribution is handled at bio_set_dev() as once we have a device, we
have a corresponding request_queue and then can derive the current css.
In special cases, we want to attribute to bio to someone else. This can
be done by calling bio_associate_blkg_from_css() or
kthread_associate_blkcg() depending on the scenario. Btrfs does this for
compressed writeback as they are handled by kworkers, so the latter can
be done here.
Commit 1a41802701 ("btrfs: drop bio_set_dev where not needed") removes
early bio_set_dev() calls prior to submit_stripe_bio(). This breaks the
above assumption that we'll have a request_queue when we are doing
association. To fix this, switch to using kthread_associate_blkcg().
Without this, we crash in btrfs/024:
[ 3052.093088] BUG: kernel NULL pointer dereference, address: 0000000000000510
[ 3052.107013] #PF: supervisor read access in kernel mode
[ 3052.107014] #PF: error_code(0x0000) - not-present page
[ 3052.107015] PGD 0 P4D 0
[ 3052.107021] Oops: 0000 [#1] SMP
[ 3052.138904] CPU: 42 PID: 201270 Comm: kworker/u161:0 Kdump: loaded Not tainted 5.5.0-rc1-00062-g4852d8ac90a9 #712
[ 3052.138905] Hardware name: Quanta Tioga Pass Single Side 01-0032211004/Tioga Pass Single Side, BIOS F08_3A18 12/20/2018
[ 3052.138912] Workqueue: btrfs-delalloc btrfs_work_helper
[ 3052.191375] RIP: 0010:bio_associate_blkg_from_css+0x1e/0x3c0
[ 3052.191379] RSP: 0018:ffffc900210cfc90 EFLAGS: 00010282
[ 3052.191380] RAX: 0000000000000000 RBX: ffff88bfe5573c00 RCX: 0000000000000000
[ 3052.191382] RDX: ffff889db48ec2f0 RSI: ffff88bfe5573c00 RDI: ffff889db48ec2f0
[ 3052.191386] RBP: 0000000000000800 R08: 0000000000203bb0 R09: ffff889db16b2400
[ 3052.293364] R10: 0000000000000000 R11: ffff88a07fffde80 R12: ffff889db48ec2f0
[ 3052.293365] R13: 0000000000001000 R14: ffff889de82bc000 R15: ffff889e2b7bdcc8
[ 3052.293367] FS: 0000000000000000(0000) GS:ffff889ffba00000(0000) knlGS:0000000000000000
[ 3052.293368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3052.293369] CR2: 0000000000000510 CR3: 0000000002611001 CR4: 00000000007606e0
[ 3052.293370] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3052.293371] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3052.293372] PKRU: 55555554
[ 3052.293376] Call Trace:
[ 3052.402552] btrfs_submit_compressed_write+0x137/0x390
[ 3052.402558] submit_compressed_extents+0x40f/0x4c0
[ 3052.422401] btrfs_work_helper+0x246/0x5a0
[ 3052.422408] process_one_work+0x200/0x570
[ 3052.438601] ? process_one_work+0x180/0x570
[ 3052.438605] worker_thread+0x4c/0x3e0
[ 3052.438614] kthread+0x103/0x140
[ 3052.460735] ? process_one_work+0x570/0x570
[ 3052.460737] ? kthread_mod_delayed_work+0xc0/0xc0
[ 3052.460744] ret_from_fork+0x24/0x30
Fixes: 1a41802701 ("btrfs: drop bio_set_dev where not needed")
Reported-by: Chris Murphy <chris@colorremedies.com>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Compressed writes happen in the background via kworkers. However, this
causes bios to be attributed to root bypassing any cgroup limits from
the actual writer. We tag the first bio with REQ_CGROUP_PUNT, which will
punt the bio to an appropriate cgroup specific workqueue and attribute
the IO properly. However, if btrfs_submit_compressed_write() creates a
new bio, we don't tag it the same way. Add the appropriate tagging for
subsequent bios.
Fixes: ec39f7696c ("Btrfs: use REQ_CGROUP_PUNT for worker thread submitted bios")
Reviewed-by: Chris Mason <clm@fb.com>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Fix:
orion_wdt f1020300.watchdog: IRQ index 1 not found
which is caused by platform_get_irq() now complaining when optional
IRQs are not found. Neither interrupt for orion is required, so
make them both optional.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/E1iahcN-0000AT-Co@rmk-PC.armlinux.org.uk
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Platform device aliases were missing so module autoloading
did not work.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20191213214802.22268-1-andreas@kemnade.info
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
If TQMX86_WDT is y and WATCHDOG_CORE is m, building fails:
drivers/watchdog/tqmx86_wdt.o: In function `tqmx86_wdt_probe':
tqmx86_wdt.c:(.text+0x46e): undefined reference to `watchdog_init_timeout'
tqmx86_wdt.c:(.text+0x4e0): undefined reference to `devm_watchdog_register_device'
Select WATCHDOG_CORE to fix this.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: e3c21e088f ("watchdog: tqmx86: Add watchdog driver for the IO controller")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20191206124259.25880-1-yuehaibing@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Since commit 747d88a1a8 ("watchdog: imx7ulp: Pass the wdog instance in
imx7ulp_wdt_enable()") imx7ulp_wdt_enable() accepts a watchdog_device
structure, so fix one instance that missed such conversion.
This also fixes the following sparse warning:
drivers/watchdog/imx7ulp_wdt.c:115:31: warning: incorrect type in argument 1 (different address spaces)
drivers/watchdog/imx7ulp_wdt.c:115:31: expected struct watchdog_device *wdog
drivers/watchdog/imx7ulp_wdt.c:115:31: got void [noderef] <asn:2>*base
Fixes: 747d88a1a8 ("watchdog: imx7ulp: Pass the wdog instance inimx7ulp_wdt_enable()")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20191120140916.25001-1-festevam@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
We should select nct6116 for the new chip, not nct6102.
Signed-off-by: Srikanth Krishnakar <skrishnakar@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
We get crash when the targets checkentry function tries to make
use of the network namespace pointer for arptables.
When the net pointer got added back in 2010, only ip/ip6/ebtables were
changed to initialize it, so arptables has this set to NULL.
This isn't a problem for normal arptables because no existing
arptables target has a checkentry function that makes use of par->net.
However, direct users of the setsockopt interface can provide any
target they want as long as its registered for ARP or UNPSEC protocols.
syzkaller managed to send a semi-valid arptables rule for RATEEST target
which is enough to trigger NULL deref:
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
RIP: xt_rateest_tg_checkentry+0x11d/0xb40 net/netfilter/xt_RATEEST.c:109
[..]
xt_check_target+0x283/0x690 net/netfilter/x_tables.c:1019
check_target net/ipv4/netfilter/arp_tables.c:399 [inline]
find_check_entry net/ipv4/netfilter/arp_tables.c:422 [inline]
translate_table+0x1005/0x1d70 net/ipv4/netfilter/arp_tables.c:572
do_replace net/ipv4/netfilter/arp_tables.c:977 [inline]
do_arpt_set_ctl+0x310/0x640 net/ipv4/netfilter/arp_tables.c:1456
Fixes: add6746124 ("netfilter: add struct net * to target parameters")
Reported-by: syzbot+d7358a458d8a81aee898@syzkaller.appspotmail.com
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Recently, the spinlock implementation grew a static key optimization,
but the jump_label.h header include was left out, leading to build
errors:
linux/arch/powerpc/include/asm/spinlock.h:44:7: error: implicit declaration of function ‘static_branch_unlikely’
44 | if (!static_branch_unlikely(&shared_processor))
This commit adds the missing header.
mpe: The build break is only seen with CONFIG_JUMP_LABEL=n.
Fixes: 656c21d6af ("powerpc/shared: Use static key to detect shared processor")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Srikar Dronamraju <srikar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191223133147.129983-1-Jason@zx2c4.com
ASUS reported that there's an bass speaker in addition to internal
speaker and it uses DAC 0x02. It was not enabled in the commit
436e25505f ("ALSA: hda/realtek - Enable internal speaker of ASUS
UX431FLC") which only enables the amplifier and the front speaker.
This commit enables the bass speaker on top of the aforementioned
work to improve the acoustic experience.
Fixes: 436e25505f ("ALSA: hda/realtek - Enable internal speaker of ASUS UX431FLC")
Signed-off-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191230031118.95076-1-chiu@endlessm.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Added Tiger Lake PCI device ID to the supported device list.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Ido Schimmel says:
====================
mlxsw: Couple of fixes
This patch set contains two fixes for mlxsw. Please consider both for
stable.
Patch #1 from Amit fixes a wrong check during MAC validation when
creating router interfaces (RIFs). Given a particular order of
configuration this can result in the driver refusing to create new RIFs.
Patch #2 fixes a wrong trap configuration in which VRRP packets and
routing exceptions were policed by the same policer towards the CPU. In
certain situations this can prevent VRRP packets from reaching the CPU.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, VRRP packets and packets that hit exceptions during routing
(e.g., MTU error) are policed using the same policer towards the CPU.
This means, for example, that misconfiguration of the MTU on a routed
interface can prevent VRRP packets from reaching the CPU, which in turn
can cause the VRRP daemon to assume it is the Master router.
Fix this by using a dedicated policer for VRRP packets.
Fixes: 11566d34f8 ("mlxsw: spectrum: Add VRRP traps")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Alex Veber <alexve@mellanox.com>
Tested-by: Alex Veber <alexve@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a router interface (RIF) is created the MAC address of the backing
netdev is verified to have the same MSBs as existing RIFs. This is
required in order to avoid changing existing RIF MAC addresses that all
share the same MSBs.
Loopback RIFs are special in this regard as they do not have a MAC
address, given they are only used to loop packets from the overlay to
the underlay.
Without this change, an error is returned when trying to create a RIF
after the creation of a GRE tunnel that is represented by a loopback
RIF. 'rif->dev->dev_addr' points to the GRE device's local IP, which
does not share the same MSBs as physical interfaces. Adding an IP
address to any physical interface results in:
Error: mlxsw_spectrum: All router interface MAC addresses must have the
same prefix.
Fix this by skipping loopback RIFs during MAC validation.
Fixes: 74bc993974 ("mlxsw: spectrum_router: Veto unsupported RIF MAC addresses")
Signed-off-by: Amit Cohen <amitc@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
One important fix for RISC-V:
- Redirect any incoming syscall with an ID less than -1 to
sys_ni_syscall, rather than allowing them to fall through into the
syscall handler.
and two minor build fixes:
- Export __asm_copy_{from,to}_user() from where they are defined.
This fixes a build error triggered by some randconfigs.
- Export flush_icache_all(). I'd resisted this before, since
historically we didn't want modules to be able to flush the I$
directly; but apparently everyone else is doing it now.
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Merge tag 'riscv/for-v5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"One important fix for RISC-V:
- Redirect any incoming syscall with an ID less than -1 to
sys_ni_syscall, rather than allowing them to fall through into the
syscall handler.
and two minor build fixes:
- Export __asm_copy_{from,to}_user() from where they are defined.
This fixes a build error triggered by some randconfigs.
- Export flush_icache_all(). I'd resisted this before, since
historically we didn't want modules to be able to flush the I$
directly; but apparently everyone else is doing it now"
* tag 'riscv/for-v5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: export flush_icache_all to modules
riscv: reject invalid syscalls below -1
riscv: fix compile failure with EXPORT_SYMBOL() & !MMU
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Merge tag 'locks-v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull /proc/locks formatting fix from Jeff Layton:
"This is a trivial fix for a _very_ long standing bug in /proc/locks
formatting. Ordinarily, I'd wait for the merge window for something
like this, but it is making it difficult to validate some overlayfs
fixes.
I've also gone ahead and marked this for stable"
* tag 'locks-v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
locks: print unsigned ino in /proc/locks
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Merge tag '5.5-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"One performance fix for large directory searches, and one minor style
cleanup noticed by Clang"
* tag '5.5-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Optimize readdir on reparse points
cifs: Adjust indentation in smb2_open_file
An ino is unsigned, so display it as such in /proc/locks.
Cc: stable@vger.kernel.org
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Jia-Ju Bai reported a possible sleep-in-atomic scenario in the ice1724
driver with Infrasonic Quartet support code: namely, ice->set_rate
callback gets called inside ice->reg_lock spinlock, while the callback
in quartet.c holds ice->gpio_mutex.
This patch fixes the invalid call: it simply moves the calls of
ice->set_rate and ice->set_mclk callbacks outside the spinlock.
Reported-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/5d43135e-73b9-a46a-2155-9e91d0dcdf83@gmail.com
Link: https://lore.kernel.org/r/20191218192606.12866-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
When smu version is larger than 0x41e2b, it will load
raven_kicker_rlc.bin.To enable gfxoff for raven_kicker_rlc.bin,it
needs to avoid adev->pm.pp_feature &= ~PP_GFXOFF_MASK when it loads
raven_kicker_rlc.bin.
Signed-off-by: changzhu <Changfeng.Zhu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
To protect access to the metrics table.
v2: unlock on error
Bug: https://gitlab.freedesktop.org/drm/amd/issues/900
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
To protect access to the metrics table.
v2: unlock on error
Bug: https://gitlab.freedesktop.org/drm/amd/issues/900
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
To protect access to the metrics table.
v2: unlock on error
Bug: https://gitlab.freedesktop.org/drm/amd/issues/900
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This table is used for lots of things, add it's own lock.
Bug: https://gitlab.freedesktop.org/drm/amd/issues/900
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Some filesystem, such as vfat, may send bio which crosses device boundary,
and the worse thing is that the IO request starting within device boundaries
can contain more than one segment past EOD.
Commit dce30ca9e3 ("fs: fix guard_bio_eod to check for real EOD errors")
tries to fix this issue by returning -EIO for this situation. However,
this way lets fs user code lose chance to handle -EIO, then sync_inodes_sb()
may hang for ever.
Also the current truncating on last segment is dangerous by updating the
last bvec, given bvec table becomes not immutable any more, and fs bio
users may not retrieve the truncated pages via bio_for_each_segment_all() in
its .end_io callback.
Fixes this issue by supporting multi-segment truncating. And the
approach is simpler:
- just update bio size since block layer can make correct bvec with
the updated bio size. Then bvec table becomes really immutable.
- zero all truncated segments for read bio
Cc: Carlos Maiolino <cmaiolino@redhat.com>
Cc: linux-fsdevel@vger.kernel.org
Fixed-by: dce30ca9e3 ("fs: fix guard_bio_eod to check for real EOD errors")
Reported-by: syzbot+2b9e54155c8c25d8d165@syzkaller.appspotmail.com
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This is needed by LKDTM (crash dump test module), it calls
flush_icache_range(), which on RISC-V turns into flush_icache_all(). On
other architectures, the actual implementation is exported, so follow
that precedence and export it here too.
Fixes build of CONFIG_LKDTM that fails with:
ERROR: "flush_icache_all" [drivers/misc/lkdtm/lkdtm.ko] undefined!
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Running "stress-ng --enosys 4 -t 20 -v" showed a large number of kernel oops
with "Unable to handle kernel paging request at virtual address" message. This
happens when enosys stressor starts testing random non-valid syscalls.
I forgot to redirect any syscall below -1 to sys_ni_syscall.
With the patch kernel oops messages are gone while running stress-ng enosys
stressor.
Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>
Fixes: 5340627e3f ("riscv: add support for SECCOMP and SECCOMP_FILTER")
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
When support for !MMU was added, the declaration of
__asm_copy_to_user() & __asm_copy_from_user() were #ifdefed
out hence their EXPORT_SYMBOL() give an error message like:
.../riscv_ksyms.c:13:15: error: '__asm_copy_to_user' undeclared here
.../riscv_ksyms.c:14:15: error: '__asm_copy_from_user' undeclared here
Since these symbols are not defined with !MMU it's wrong to export them.
Same for __clear_user() (even though this one is also declared in
include/asm-generic/uaccess.h and thus doesn't give an error message).
Fix this by doing the EXPORT_SYMBOL() directly where these symbols
are defined: inside lib/uaccess.S itself.
Fixes: 6bd33e1ece ("riscv: fix compile failure with EXPORT_SYMBOL() & !MMU")
Reported-by: kbuild test robot <lkp@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Four fixes and one spelling update, all in drivers: 2 in lpfc and the
rest in mp3sas, cxgbi and target.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four fixes and one spelling update, all in drivers: two in lpfc and
the rest in mp3sas, cxgbi and target"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: target/iblock: Fix protection error with blocks greater than 512B
scsi: libcxgbi: fix NULL pointer dereference in cxgbi_device_destroy()
scsi: lpfc: fix spelling mistakes of asynchronous
scsi: lpfc: fix build failure with DEBUGFS disabled
scsi: mpt3sas: Fix double free in attach error handling
GXBB and newer SoCs use the fixed FCLK_DIV2 (1GHz) clock as input for
the m250_sel clock. Meson8b and Meson8m2 use MPLL2 instead, whose rate
can be adjusted at runtime.
So far we have been running MPLL2 with ~250MHz (and the internal
m250_div with value 1), which worked enough that we could transfer data
with an TX delay of 4ns. Unfortunately there is high packet loss with
an RGMII PHY when transferring data (receiving data works fine though).
Odroid-C1's u-boot is running with a TX delay of only 2ns as well as
the internal m250_div set to 2 - no lost (TX) packets can be observed
with that setting in u-boot.
Manual testing has shown that the TX packet loss goes away when using
the following settings in Linux (the vendor kernel uses the same
settings):
- MPLL2 clock set to ~500MHz
- m250_div set to 2
- TX delay set to 2ns on the MAC side
Update the m250_div divider settings to only accept dividers greater or
equal 2 to fix the TX delay generated by the MAC.
iperf3 results before the change:
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 182 MBytes 153 Mbits/sec 514 sender
[ 5] 0.00-10.00 sec 182 MBytes 152 Mbits/sec receiver
iperf3 results after the change (including an updated TX delay of 2ns):
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-10.00 sec 927 MBytes 778 Mbits/sec 0 sender
[ 5] 0.00-10.01 sec 927 MBytes 777 Mbits/sec receiver
Fixes: 4f6a71b84e ("net: stmmac: dwmac-meson8b: fix internal RGMII clock configuration")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
There's no skb_pull performed when a mirred action is set at egress of a
mac device, with a target device/action that expects skb->data to point
at the network header.
As a result, either the target device is errornously given an skb with
data pointing to the mac (egress case), or the net stack receives the
skb with data pointing to the mac (ingress case).
E.g:
# tc qdisc add dev eth9 root handle 1: prio
# tc filter add dev eth9 parent 1: prio 9 protocol ip handle 9 basic \
action mirred egress redirect dev tun0
(tun0 is a tun device. result: tun0 errornously gets the eth header
instead of the iph)
Revise the push/pull logic of tcf_mirred_act() to not rely on the
skb_at_tc_ingress() vs tcf_mirred_act_wants_ingress() comparison, as it
does not cover all "pull" cases.
Instead, calculate whether the required action on the target device
requires the data to point at the network header, and compare this to
whether skb->data points to network header - and make the push/pull
adjustments as necessary.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Shmulik Ladkani <sladkani@proofpoint.com>
Tested-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The API for PTP system timestamping (associating a SPI transaction with
the system time at which it was transferred) is flawed: it assumes that
the xfer->tx_buf pointer will always be present.
This is, of course, not always the case.
So introduce a "progress" variable that denotes how many word have been
transferred.
Fix the Freescale DSPI driver, the only user of the API so far, in the
same patch.
Fixes: b42faeee71 ("spi: Add a PTP system timestamp to the transfer structure")
Fixes: d6b71dfaee ("spi: spi-fsl-dspi: Implement the PTP system timestamping for TCFQ mode")
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20191227012417.1057-1-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
i915:
- power management rc6 fix
- framebuffer tracking fix
- display power management ratelimit fix
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Merge tag 'drm-fixes-2019-12-28' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Post-xmas food coma recovery fixes. Only three fixes for i915 since I
expect most people are holidaying.
i915:
- power management rc6 fix
- framebuffer tracking fix
- display power management ratelimit fix"
* tag 'drm-fixes-2019-12-28' of git://anongit.freedesktop.org/drm/drm:
drm/i915: Hold reference to intel_frontbuffer as we track activity
drm/i915/gt: Ratelimit display power w/a
drm/i915/pmu: Ensure monotonic rc6
This Kselftest update for Linux 5.5-rc4 consists of:
-- rseq build failures fixes related to glibc 2.30 compatibility
from Mathieu Desnoyers
-- Kunit fixes and cleanups from SeongJae Park
-- Fixes to filesystems/epoll, firmware, and livepatch build failures
and skip handling.
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Merge tag 'linux-kselftest-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
- rseq build failures fixes related to glibc 2.30 compatibility from
Mathieu Desnoyers
- Kunit fixes and cleanups from SeongJae Park
- Fixes to filesystems/epoll, firmware, and livepatch build failures
and skip handling.
* tag 'linux-kselftest-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
rseq/selftests: Clarify rseq_prepare_unload() helper requirements
rseq/selftests: Fix: Namespace gettid() for compatibility with glibc 2.30
rseq/selftests: Turn off timeout setting
kunit/kunit_tool_test: Test '--build_dir' option run
kunit: Rename 'kunitconfig' to '.kunitconfig'
kunit: Place 'test.log' under the 'build_dir'
kunit: Create default config in '--build_dir'
kunit: Remove duplicated defconfig creation
docs/kunit/start: Use in-tree 'kunit_defconfig'
selftests: livepatch: Fix it to do root uid check and skip
selftests: firmware: Fix it to do root uid check and skip
selftests: filesystems/epoll: fix build error
Fix compile test of the Tegra devfreq driver (Arnd Bergmann)
and remove redundant Kconfig dependencies from multiple devfreq
drivers (Leonard Crestez).
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Merge tag 'pm-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Fix compile test of the Tegra devfreq driver (Arnd Bergmann) and
remove redundant Kconfig dependencies from multiple devfreq drivers
(Leonard Crestez)"
* tag 'pm-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / devfreq: tegra: Add COMMON_CLK dependency
PM / devfreq: Drop explicit selection of PM_OPP
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Merge tag 'io_uring-5.5-20191226' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
- Removal of now unused busy wqe list (Hillf)
- Add cond_resched() to io-wq work processing (Hillf)
- And then the series that I hinted at from last week, which removes
the sqe from the io_kiocb and keeps all sqe handling on the prep
side. This guarantees that an opcode can't do the wrong thing and
read the sqe more than once. This is unchanged from last week, no
issues have been observed with this in testing. Hence I really think
we should fold this into 5.5.
* tag 'io_uring-5.5-20191226' of git://git.kernel.dk/linux-block:
io-wq: add cond_resched() to worker thread
io-wq: remove unused busy list from io_sqe
io_uring: pass in 'sqe' to the prep handlers
io_uring: standardize the prep methods
io_uring: read 'count' for IORING_OP_TIMEOUT in prep handler
io_uring: move all prep state for IORING_OP_{SEND,RECV}_MGS to prep handler
io_uring: move all prep state for IORING_OP_CONNECT to prep handler
io_uring: add and use struct io_rw for read/writes
io_uring: use u64_to_user_ptr() consistently
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Merge tag 'libata-5.5-20191226' of git://git.kernel.dk/linux-block
Pull libata fixes from Jens Axboe:
"Two things in here:
- First half of a series that fixes ahci_brcm, also marked for
stable. The other part of the series is going into 5.6 (Florian)
- sata_nv regression fix that is also marked for stable (Sascha)"
* tag 'libata-5.5-20191226' of git://git.kernel.dk/linux-block:
ata: ahci_brcm: Add missing clock management during recovery
ata: ahci_brcm: BCM7425 AHCI requires AHCI_HFLAG_DELAY_ENGINE
ata: ahci_brcm: Fix AHCI resources management
ata: libahci_platform: Export again ahci_platform_<en/dis>able_phys()
libata: Fix retrieving of active qcs
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Merge tag 'block-5.5-20191226' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Only thing here are the changes from Arnd from last week, which now
have the appropriate header include to ensure they actually compile if
COMPAT is enabled"
* tag 'block-5.5-20191226' of git://git.kernel.dk/linux-block:
compat_ioctl: block: handle Persistent Reservations
compat_ioctl: block: handle add zone open, close and finish ioctl
compat_ioctl: block: handle BLKGETZONESZ/BLKGETNRZONES
compat_ioctl: block: handle BLKREPORTZONE/BLKRESETZONE
pktcdvd: fix regression on 64-bit architectures
- Fix the build for the Xtensa driver.
- Make sure to set up the parent device for mpc8xxx.
- Clarify the look-up error message.
- Fix the usage of the line direction in the mockup device.
- Fix a type warning on the Aspeed driver.
- Remove the pointless __exit annotation on the xgs-iproc which
is causing a compilation problem.
- Fix up emultation of open drain outputs .get_direction()
- Fix the IRQ callbacks on the PCA953xx to use bitops and
work properly.
- Fix the Kconfig on the Tegra driver.
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Merge tag 'gpio-v5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"A set of fixes for the v5.5 series:
- Fix the build for the Xtensa driver.
- Make sure to set up the parent device for mpc8xxx.
- Clarify the look-up error message.
- Fix the usage of the line direction in the mockup device.
- Fix a type warning on the Aspeed driver.
- Remove the pointless __exit annotation on the xgs-iproc which is
causing a compilation problem.
- Fix up emultation of open drain outputs .get_direction()
- Fix the IRQ callbacks on the PCA953xx to use bitops and work
properly.
- Fix the Kconfig on the Tegra driver"
* tag 'gpio-v5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: tegra186: Allow building on Tegra194-only configurations
gpio: pca953x: Switch to bitops in IRQ callbacks
gpiolib: fix up emulated open drain outputs
MAINTAINERS: Append missed file to the database
gpio: xgs-iproc: remove __exit annotation for iproc_gpio_remove
gpio: aspeed: avoid return type warning
gpio: mockup: Fix usage of new GPIO_LINE_DIRECTION
gpio: Fix error message on out-of-range GPIO in lookup table
gpio: mpc8xxx: Add platform device to gpiochip->parent
gpio: xtensa: fix driver build
Dell has new platform which has dual speaker connecting.
They want dual speaker which use same dac for output.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/229c7efa2b474a16b7d8a916cd096b68@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
