Commit Graph

916276 Commits

Author SHA1 Message Date
Andy Shevchenko
6370ababce
spi: dw: Propagate struct device pointer to ->dma_init() callback
In some cases, one of which is coming soon, we would like to have
a struct device pointer to request DMA channel. For this purpose
propagate it to ->dma_init() callback in DMA ops.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200506153025.21441-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-06 18:11:35 +01:00
Andy Shevchenko
37aa8aa684
spi: dw: Add 'mfld' suffix to Intel Medfield related routines
In order to prepare driver for the extension to support newer hardware,
add 'mfld' suffix to some related functions.

While here, move DMA parameters assignment under existing #ifdef
CONFIG_SPI_DW_MID_DMA.

There is no functional change intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200506153025.21441-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-06 18:11:34 +01:00
Andy Shevchenko
e794095264
spi: dw: Move few headers under #ifdef CONFIG_SPI_DW_MID_DMA
There is no user of few headers without CONFIG_SPI_DW_MID_DMA being set.
Move them under condition.

While at it, remove unused slab.h there.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200506153025.21441-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-06 18:11:33 +01:00
Andy Shevchenko
e62a15d97b
spi: dw: Downgrade interrupt.h to irqreturn.h where appropriate
spi-dw-mid.c along with spi-dw.h are direct users of irqreturn.h
and nothing else is being used from interrupt.h. So, switch them
to use the former instead of latter one.

While here, move the header under #ifdef CONFIG_SPI_DW_MID_DMA
in spi-dw-mid.c.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200506153025.21441-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-06 18:11:32 +01:00
Andy Shevchenko
0c2ce3fe4d
spi: dw: Move interrupt.h to spi-dw.h who is user of it
The actual user of interrupt.h is spi-dw.h and not bus drivers.
Move header there.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200506153025.21441-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-06 18:11:32 +01:00
Andy Shevchenko
d4dd6c0a40
spi: dw: Remove unused variable in CR0 configuring hooks
After enabling new IP support in the driver couple of variables
were left unused compiler is not happy about:

.../spi-dw.c: In function ‘dw_spi_update_cr0’:
.../spi-dw.c:264:17: warning: unused variable ‘dws’ [-Wunused-variable]
  264 |  struct dw_spi *dws = spi_controller_get_devdata(master);
      |                 ^~~
.../spi-dw.c: In function ‘dw_spi_update_cr0_v1_01a’:
.../spi-dw.c:285:17: warning: unused variable ‘dws’ [-Wunused-variable]
  285 |  struct dw_spi *dws = spi_controller_get_devdata(master);
      |                 ^~~

Drop them for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200506153025.21441-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-06 18:11:31 +01:00
Andy Shevchenko
3cb97e223d
spi: dw: Zero DMA Tx and Rx configurations on stack
Some DMA controller drivers do not tolerate non-zero values in
the DMA configuration structures. Zero them to avoid issues with
such DMA controller drivers. Even despite above this is a good
practice per se.

Fixes: 7063c0d942 ("spi/dw_spi: add DMA support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Feng Tang <feng.tang@intel.com>
Cc: Feng Tang <feng.tang@intel.com>
Link: https://lore.kernel.org/r/20200506153025.21441-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-06 18:11:30 +01:00
Wei Yongjun
dd4441ab1f
spi: bcm2835: Fix error return code in bcm2835_dma_init()
Fix to return negative error code -ENOMEM from the dma mapping error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200506125607.90952-1-weiyongjun1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-06 15:55:14 +01:00
Jason Yan
5b684514af
spi: a3700: make a3700_spi_init() return void
Fix the following coccicheck warning:

drivers/spi/spi-armada-3700.c:283:8-11: Unneeded variable: "ret". Return
"0" on line 315

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lore.kernel.org/r/20200506061911.19923-1-yanaijie@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-06 15:55:13 +01:00
Wan Ahmad Zainie
c48e0c533e
spi: dw-apb-ssi: Add Intel Keem Bay support
Document Intel Keem Bay SPI controller DT bindings.

Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Link: https://lore.kernel.org/r/20200505130618.554-7-wan.ahmad.zainie.wan.mohamad@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-05 15:08:02 +01:00
Wan Ahmad Zainie
3812a081d2
spi: dw-apb-ssi: Add compatible string for DesignWare DWC_ssi
This patch adds compatible string "snps,dwc-ssi-1.01a" to the above DT
binding document, to provide support for DesignWare DWC_ssi IP [1].

Current driver supports DW_apb_ssi IP [2].

References:
[1] https://www.synopsys.com/dw/ipdir.php?c=dwc_ssi
[2] https://www.synopsys.com/dw/ipdir.php?c=DW_apb_ssi

Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Link: https://lore.kernel.org/r/20200505130618.554-5-wan.ahmad.zainie.wan.mohamad@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-05 15:08:01 +01:00
Wan Ahmad Zainie
f42377916e
spi: dw: Add support for Intel Keem Bay SPI
Add support for Intel Keem Bay SPI controller, which uses DesignWare
DWC_ssi core. Bit 31 of CTRLR0 register is added for Keem Bay, to
configure the device as a master or as a slave serial peripheral.

Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200505130618.554-6-wan.ahmad.zainie.wan.mohamad@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-05 15:08:00 +01:00
Wan Ahmad Zainie
e539f435cb
spi: dw: Add support for DesignWare DWC_ssi
This patch adds initial support for DesignWare DWC_ssi soft IP. DWC_ssi is
the enhanced version of DW_apb_ssi, which is currently supported by this
driver. Their registers are same, but the bit fields of register CTRLR0
are different.

DWC_ssi has additional features compared to DW_apb_ssi. Major enhancements
in DWC_ssi are hyper bus protocol, boot mode support and advanced XIP
support. DWC_ssi is an AHB slave device, whilst DW_apb_ssi is an APB slave
device.

Register offset
                DW_ssi          DW_apb_ssi
CTRLR0          0x00            0x00
CTRLR1          0x04            0x04
SSIENR          0x08            0x08
MWCR            0x0c            0x0c
SER             0x10            0x10
BAUDR           0x14            0x14
TXFTLR          0x18            0x18
RXFTLR          0x1c            0x1c
TXFLR           0x20            0x20
RXFLR           0x24            0x24
SR              0x28            0x28
IMR             0x2c            0x2c
ISR             0x30            0x30
RISR            0x34            0x34
TXOICR          0x38            0x38
RXOICR          0x3c            0x3c
RXUICR          0x40            0x40
MSTICR          0x44            0x44
ICR             0x48            0x48
DMACR           0x4c            0x4c
DMATDLR         0x50            0x50
DMARDLR         0x54            0x54
IDR             0x58            0x58
SSI_VERSION_ID  0x5c            0x5c
DRx (0 to 35)   0x60+i*0x4      0x60+i*0x4
RX_SAMPLE_DLY   0xf0            0xf0
SPI_CTRLR0      0xf4            0xf4
TXD_DRIVE_EDGE  0xf8            0xf8
XIP_MODE_BITS   0xfc            RSVD

Register configuration - CTRLR0
                        DW_ssi          DW_apb_ssi
  SPI_HYPERBUS_EN       bit[24]         NONE
  SPI_FRF               bit[23:22]      bit[22:21]
  DFS_32                NONE            bit[20:16]
  CFS                   bit[19:16]      bit[15:12]
  SSTE                  bit[14]         bit[24]
  SRL                   bit[13]         bit[11]
  SLV_OE                bit[12]         bit[10]
  TMOD                  bit[11:10]      bit[9:8]
  SCPOL | SPHA          bit[9:8]        bit[7:6]
  FRF                   bit[7:6]        bit[5:4]
  DFS                   bit[4:0]        bit[3:0]

The documents used are
[1] DW_apb_ssi_databook.pdf version 4.01a (2016.10a).
[2] DWC_ssi_databook.pdf version 1.01a.

Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200505130618.554-4-wan.ahmad.zainie.wan.mohamad@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-05 15:07:59 +01:00
Wan Ahmad Zainie
c4eadee21f
spi: dw: Add update_cr0() callback to update CTRLR0
This patch adds update_cr0() callback, in struct dw_spi.

Existing code that configure register CTRLR0 is moved into a new
function, dw_spi_update_cr0(), and this will be the default.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200505130618.554-3-wan.ahmad.zainie.wan.mohamad@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-05 15:07:58 +01:00
Wan Ahmad Zainie
299cb65c9d
spi: dw: Fix typo in few registers name
This patch will fix typo in the register name used in the source code,
to be consistent with the register name used in the databook.

Databook: DW_apb_ssi_databook.pdf version 4.01a

Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200505130618.554-2-wan.ahmad.zainie.wan.mohamad@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-05 15:07:57 +01:00
Jacko Dirks
e37687c98a
spi: bcm2835: Fixes bare use of unsigned
Signed-off-by: Jacko Dirks <jdirks.linuxdev@gmail.com>
Link: https://lore.kernel.org/r/20200503200033.GA3256@vasteMachine
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-05 13:50:22 +01:00
Mark Brown
4f18b82b02
Merge series "Grab bag with AMD SPI fixes" from Lukas Wunner <lukas@wunner.de>:
Here's an assortment of drive-by fixes for the new AMD SPI driver.
All of them are compile-tested only.

Lukas Wunner (5):
  spi: amd: Fix duplicate iounmap in error path
  spi: amd: Pass probe errors back to driver core
  spi: amd: Drop duplicate driver data assignments
  spi: amd: Fix refcount underflow on remove
  spi: amd: Drop superfluous member from struct amd_spi

 drivers/spi/spi-amd.c | 27 +++++----------------------
 1 file changed, 5 insertions(+), 22 deletions(-)

--
2.26.2
2020-05-05 12:25:15 +01:00
Mark Brown
f13242d2c5
Merge branch 'for-5.7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-5.8 2020-05-05 11:48:25 +01:00
Lukas Wunner
36c72a58d4
spi: amd: Drop superfluous member from struct amd_spi
The AMD SPI driver stores a pointer to the spi_master in struct amd_spi
so that it can get from the latter to the former in amd_spi_fifo_xfer().

It's simpler to just pass the pointer from the sole caller
amd_spi_master_transfer() and drop the pointer from struct amd_spi.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Link: https://lore.kernel.org/r/a088b684ad292faf3bd036e51529e608e5c94638.1588590210.git.lukas@wunner.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-04 17:18:49 +01:00
Lukas Wunner
7b9c94bd13
spi: amd: Fix refcount underflow on remove
The AMD SPI driver calls spi_master_put() in its ->remove() hook even
though the preceding call to spi_unregister_master() already drops a
ref, thus leading to a refcount underflow.  Drop the superfluous call
to spi_master_put().

This only leaves the call to spi_unregister_master() in the ->remove()
hook, so it's safe to change the ->probe() hook to use the devm version
of spi_register_master() and drop the ->remove() hook altogether.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Link: https://lore.kernel.org/r/5e53ccdf1eecd4e015dba99d0d77389107f8a2e3.1588590210.git.lukas@wunner.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-04 17:18:48 +01:00
Lukas Wunner
4332ea8f40
spi: amd: Drop duplicate driver data assignments
The AMD SPI driver calls platform_set_drvdata() on probe even though
it's already been set by __spi_alloc_controller().  Likewise, it calls
platform_set_drvdata() on remove even though it's going to be set by
__device_release_driver().  Drop the duplicate assignments.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Link: https://lore.kernel.org/r/499f8ad4759c2ff0f586e0459fb9a293faecff6d.1588590210.git.lukas@wunner.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-04 17:18:47 +01:00
Lukas Wunner
cc17fbec2e
spi: amd: Pass probe errors back to driver core
If probing fails, the AMD SPI driver pretends success to the driver core
by returning 0.  Return the errno instead.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Link: https://lore.kernel.org/r/689f29a359718dab4f5de9ee66c02ea97b3bd9e8.1588590210.git.lukas@wunner.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-04 17:18:46 +01:00
Lukas Wunner
2b60c49f3c
spi: amd: Fix duplicate iounmap in error path
The AMD SPI driver uses devm_ioremap_resource() to map its registers, so
they're automatically unmapped via device_release() when the last ref on
the SPI controller is dropped.  The additional iounmap() in the ->probe()
error path is thus unnecessary.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Link: https://lore.kernel.org/r/497cc38ae2beb7900ae05a1463eb83ff96e2770e.1588590210.git.lukas@wunner.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-04 17:18:45 +01:00
Jules Irenge
b68527dfa9
spi: atmel: Add missing annotation for atmel_spi_next_xfer_dma_submit()
Sparse reports a warning at atmel_spi_next_xfer_dma_submit()

warning: context imbalance in atmel_spi_next_xfer_dma_submit()
	- unexpected unlock

The root cause is the missing annotation
	at atmel_spi_next_xfer_dma_submit()

Add the missing __must_hold(&as->lock) annotation

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Link: https://lore.kernel.org/r/20200429225723.31258-3-jbi.octave@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-30 15:35:25 +01:00
Evan Green
6eefaee4f2
spi: pxa2xx: Apply CS clk quirk to BXT
With a couple allies at Intel, and much badgering, I got confirmation
from Intel that at least BXT suffers from the same SPI chip-select
issue as Cannonlake (and beyond). The issue being that after going
through runtime suspend/resume, toggling the chip-select line without
also sending data does nothing.

Add the quirk to BXT to briefly toggle dynamic clock gating off and
on, forcing the fabric to wake up enough to notice the CS register
change.

Signed-off-by: Evan Green <evgreen@chromium.org>
Cc: Shobhit Srivastava <shobhit.srivastava@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200427163238.1.Ib1faaabe236e37ea73be9b8dcc6aa034cb3c8804@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-30 15:22:58 +01:00
Patrice Chotard
be6ef16084
spi: stm32-qspi: Fix unbalanced pm_runtime_enable issue
Issue detected by unbinding/binding the stm32 qspi driver as following:

root@stm32mp2:~# echo 40430000.spi > /sys/bus/platform/drivers/stm32-qspi/404300
00.spi/driver/unbind
root@stm32mp2:~# echo 40430000.spi > /sys/bus/platform/drivers/stm32-qspi/bind
[  969.864021] stm32-qspi 40430000.spi: Unbalanced pm_runtime_enable!
[  970.225161] spi-nor spi0.0: mx66u51235f (65536 Kbytes)
[  970.935721] spi-nor spi0.1: mx66u51235f (65536 Kbytes)

Fixes: 9d282c17b0 ("spi: stm32-qspi: Add pm_runtime support")

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Link: https://lore.kernel.org/r/20200429102625.25974-1-patrice.chotard@st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-29 18:52:16 +01:00
Wei Yongjun
18168291aa
spi: uniphier: fix error return code in uniphier_spi_probe()
Fix to return negative error code -EPROBE_DEFER from the DMA probe defer
error handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200429075855.104487-1-weiyongjun1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-29 18:52:15 +01:00
Wei Yongjun
f84b604dba
spi: spi-amd: Fix a NULL vs IS_ERR() check in amd_spi_probe()
In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Fixes: bbb336f39e ("spi: spi-amd: Add AMD SPI controller driver support")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200429025426.167664-1-weiyongjun1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-29 18:52:15 +01:00
Sanjay R Mehta
68d047cb0a
spi: spi-amd: fix warning
remove unused variable "opcode"

Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/1588049801-37995-1-git-send-email-sanju.mehta@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-28 17:52:41 +01:00
Sanjay R Mehta
bbb336f39e
spi: spi-amd: Add AMD SPI controller driver support
This driver supports SPI Controller for AMD SOCs.This driver
supports SPI operations using FIFO mode of transfer.

Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/1587844788-33997-1-git-send-email-sanju.mehta@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-27 16:38:32 +01:00
Mark Brown
e5c9a223da Linux 5.7-rc3
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Merge tag 'v5.7-rc3' into spi-5.8

Linux 5.7-rc3
2020-04-27 15:04:50 +01:00
Linus Torvalds
6a8b55ed40 Linux 5.7-rc3 2020-04-26 13:51:02 -07:00
Linus Torvalds
d4fb4bfb37 Five cifs/smb3 fixes, 3 for DFS, one for stable
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Merge tag '5.7-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Five cifs/smb3 fixes:two for DFS reconnect failover, one lease fix for
  stable and the others to fix a missing spinlock during reconnect"

* tag '5.7-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: fix uninitialised lease_key in open_shroot()
  cifs: ensure correct super block for DFS reconnect
  cifs: do not share tcons with DFS
  cifs: minor update to comments around the cifs_tcp_ses_lock mutex
  cifs: protect updating server->dstaddr with a spinlock
2020-04-26 11:44:17 -07:00
Linus Torvalds
e9a61afb69 USB fixes for 5.7-rc3
Here are a number of USB driver fixes for 5.7-rc3.
 
 Nothing huge, just the usual collection of:
 	- xhci fixes
 	- gadget driver fixes
 	- syzkaller fuzzing fixes
 	- new device ids and DT bindings
 	- new quirks added for broken devices
 
 A few of the gadget driver fixes show up twice here as they were applied
 to my branch, and also by Felipe to his branch which I then pulled in as
 we got out of sync a bit.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of USB driver fixes for 5.7-rc3.

  Nothing huge, just the usual collection of:

   - xhci fixes

   - gadget driver fixes

   - syzkaller fuzzing fixes

   - new device ids and DT bindings

   - new quirks added for broken devices

  A few of the gadget driver fixes show up twice here as they were
  applied to my branch, and also by Felipe to his branch which I then
  pulled in as we got out of sync a bit.

  All of these have been in linux-next with no reported issues"

* tag 'usb-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
  USB: sisusbvga: Change port variable from signed to unsigned
  usb-storage: Add unusual_devs entry for JMicron JMS566
  USB: hub: Revert commit bd0e6c9614 ("usb: hub: try old enumeration scheme first for high speed devices")
  USB: hub: Fix handling of connect changes during sleep
  usb: typec: altmode: Fix typec_altmode_get_partner sometimes returning an invalid pointer
  xhci: Don't clear hub TT buffer on ep0 protocol stall
  xhci: prevent bus suspend if a roothub port detected a over-current condition
  xhci: Fix handling halted endpoint even if endpoint ring appears empty
  usb: raw-gadget: Fix copy_to/from_user() checks
  usb: raw-gadget: fix raw_event_queue_fetch locking
  usb: gadget: udc: atmel: Fix vbus disconnect handling
  usb: dwc3: gadget: Fix request completion check
  USB: Add USB_QUIRK_DELAY_CTRL_MSG and USB_QUIRK_DELAY_INIT for Corsair K70 RGB RAPIDFIRE
  phy: tegra: Select USB_COMMON for usb_get_maximum_speed()
  usb: typec: tcpm: Ignore CC and vbus changes in PORT_RESET change
  usb: f_fs: Clear OS Extended descriptor counts to zero in ffs_data_reset()
  cdc-acm: introduce a cool down
  cdc-acm: close race betrween suspend() and acm_softint
  UAS: fix deadlock in error handling and PM flushing work
  UAS: no use logging any details in case of ENODEV
  ...
2020-04-26 11:22:01 -07:00
Linus Torvalds
c5f3378571 TTY/Serial fixes for 5.7-rc3
Here are some tty and serial driver fixes for 5.7-rc3.
 
 The "largest" in here are a number of reverts for previous changes to
 the uartps serial driver that turned out to not be a good idea at all.
 
 The others are just small fixes found by people and tools.  Included in
 here is a much-reported symbol export needed by previous changes that
 happened in 5.7-rc1.  All of these have been in linux-next for a while
 with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here are some tty and serial driver fixes for 5.7-rc3.

  The "largest" in here are a number of reverts for previous changes to
  the uartps serial driver that turned out to not be a good idea at all.

  The others are just small fixes found by people and tools. Included in
  here is a much-reported symbol export needed by previous changes that
  happened in 5.7-rc1. All of these have been in linux-next for a while
  with no reported issues"

* tag 'tty-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: hvc: fix buffer overflow during hvc_alloc().
  tty: rocket, avoid OOB access
  tty: serial: bcm63xx: fix missing clk_put() in bcm63xx_uart
  vt: don't hardcode the mem allocation upper bound
  tty: serial: owl: add "much needed" clk_prepare_enable()
  vt: don't use kmalloc() for the unicode screen buffer
  tty/sysrq: Export sysrq_mask(), sysrq_toggle_support()
  serial: sh-sci: Make sure status register SCxSR is read in correct sequence
  serial: sunhv: Initialize lock for non-registered console
  Revert "serial: uartps: Register own uart console and driver structures"
  Revert "serial: uartps: Move Port ID to device data structure"
  Revert "serial: uartps: Change uart ID port allocation"
  Revert "serial: uartps: Do not allow use aliases >= MAX_UART_INSTANCES"
  Revert "serial: uartps: Fix error path when alloc failed"
  Revert "serial: uartps: Use the same dynamic major number for all ports"
  Revert "serial: uartps: Fix uartps_major handling"
2020-04-26 11:19:08 -07:00
Linus Torvalds
f6da8bd152 Char/misc driver fixes for 5.7-rc3
Here are 4 small misc driver fixes for 5.7-rc3:
 	- mei driver fix
 	- interconnect driver fix
 	- 2 fpga driver fixes
 
 All have been in linux-next with no reported issue
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are 4 small misc driver fixes for 5.7-rc3:

   - mei driver fix

   - interconnect driver fix

   - two fpga driver fixes

  All have been in linux-next with no reported issues"

* tag 'char-misc-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  interconnect: qcom: Fix uninitialized tcs_cmd::wait
  mei: me: fix irq number stored in hw struct
  fpga: dfl: pci: fix return value of cci_pci_sriov_configure
  fpga: zynq: Remove clk_get error message for probe defer
2020-04-26 11:17:44 -07:00
Linus Torvalds
edf17b2838 Staging/IIO driver fixes for 5.7-rc3
Here are some small staging and IIO driver fixes for 5.7-rc3
 
 Lots of tiny things for reported issues in staging and IIO drivers,
 including a counter driver fix as well (the iio drivers seem to be tied
 to those).  Full details of the fixes are in the shortlog.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO driver fixes from Greg KH:
 "Here are some small staging and IIO driver fixes for 5.7-rc3

  Lots of tiny things for reported issues in staging and IIO drivers,
  including a counter driver fix as well (the iio drivers seem to be
  tied to those). Full details of the fixes are in the shortlog.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (27 commits)
  staging: vt6656: Fix calling conditions of vnt_set_bss_mode
  staging: comedi: Fix comedi_device refcnt leak in comedi_open
  staging: vt6656: Fix pairwise key entry save.
  staging: vt6656: Fix drivers TBTT timing counter.
  staging: vt6656: Don't set RCR_MULTICAST or RCR_BROADCAST by default.
  MAINTAINERS: remove Stefan Popa's email
  iio: adc: ad7192: fix null pointer de-reference crash during probe
  iio: core: remove extra semi-colon from devm_iio_device_register() macro
  iio: adc: ti-ads8344: properly byte swap value
  iio: imu: inv_mpu6050: fix suspend/resume with runtime power
  iio: st_sensors: rely on odr mask to know if odr can be set
  iio: xilinx-xadc: Make sure not exceed maximum samplerate
  iio: xilinx-xadc: Fix sequencer configuration for aux channels in simultaneous mode
  iio: xilinx-xadc: Fix clearing interrupt when enabling trigger
  iio: xilinx-xadc: Fix ADC-B powerdown
  iio: dac: ad5770r: fix off-by-one check on maximum number of channels
  iio: imu: st_lsm6dsx: flush hw FIFO before resetting the device
  iio: core: Fix handling of 'dB'
  dt-bindings: iio: adc: stm32-adc: fix id relative path
  counter: 104-quad-8: Add lock guards - generic interface
  ...
2020-04-26 11:12:30 -07:00
Linus Torvalds
a8a0e2a96b Driver core fixes for 5.7-rc3
Here are some small firmware/driver core/debugfs fixes for 5.7-rc3.
 
 The debugfs change is now possible as now the last users of
 debugfs_create_u32() have been fixed up in the different trees that got
 merged into 5.7-rc1, and I don't want it creeping back in.
 
 The firmware changes did cause a regression in linux-next, so the final
 patch here reverts part of that, re-exporting the symbol to resolve that
 issue.  All of these patches, with the exception of the final one, have
 been in linux-next with only that one reported issue.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are some small firmware/driver core/debugfs fixes for 5.7-rc3.

  The debugfs change is now possible as now the last users of
  debugfs_create_u32() have been fixed up in the different trees that
  got merged into 5.7-rc1, and I don't want it creeping back in.

  The firmware changes did cause a regression in linux-next, so the
  final patch here reverts part of that, re-exporting the symbol to
  resolve that issue. All of these patches, with the exception of the
  final one, have been in linux-next with only that one reported issue"

* tag 'driver-core-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  firmware_loader: revert removal of the fw_fallback_config export
  debugfs: remove return value of debugfs_create_u32()
  firmware_loader: remove unused exports
  firmware: imx: fix compile-testing
2020-04-26 11:04:15 -07:00
Linus Torvalds
749f04615a s390 fixes for 5.7-rc3
- Add few notrace annotations to avoid potential crashes when switching
   ftrace tracers.
 
 - Avoid setting affinity for floating irqs in pci code.
 
 - Fix build issue found by kbuild test robot.
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Merge tag 's390-5.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Vasily Gorbik:

 - Add a few notrace annotations to avoid potential crashes when
   switching ftrace tracers.

 - Avoid setting affinity for floating irqs in pci code.

 - Fix build issue found by kbuild test robot.

* tag 's390-5.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/protvirt: fix compilation issue
  s390/pci: do not set affinity for floating irqs
  s390/ftrace: fix potential crashes when switching tracers
2020-04-26 10:58:49 -07:00
Linus Torvalds
670bcd79b5 powerpc fixes for 5.7 #3
- One important fix for a bug in the way we find the cache-line size from the
    device tree, which was leading to the wrong size being reported to userspace
    on some platforms.
 
  - A fix for 8xx STRICT_KERNEL_RWX which was leaving TLB entries around leading
    to a window at boot when the strict mapping wasn't enforced.
 
  - A fix to enable our KUAP (kernel user access prevention) debugging on PPC32.
 
  - A build fix for clang in lib/mpi.
 
 Thanks to:
   Chris Packham, Christophe Leroy, Nathan Chancellor, Qian Cai.
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Merge tag 'powerpc-5.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - One important fix for a bug in the way we find the cache-line size
   from the device tree, which was leading to the wrong size being
   reported to userspace on some platforms.

 - A fix for 8xx STRICT_KERNEL_RWX which was leaving TLB entries around
   leading to a window at boot when the strict mapping wasn't enforced.

 - A fix to enable our KUAP (kernel user access prevention) debugging on
   PPC32.

 - A build fix for clang in lib/mpi.

Thanks to: Chris Packham, Christophe Leroy, Nathan Chancellor, Qian Cai.

* tag 'powerpc-5.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  lib/mpi: Fix building for powerpc with clang
  powerpc/mm: Fix CONFIG_PPC_KUAP_DEBUG on PPC32
  powerpc/8xx: Fix STRICT_KERNEL_RWX startup test failure
  powerpc/setup_64: Set cache-line-size based on cache-block-size
2020-04-26 10:54:55 -07:00
Linus Torvalds
587928829a Devicetree fixes for v5.7-rc, take 2:
A couple of schema and kbuild fixes.
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Merge tag 'devicetree-fixes-for-5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull more Devicetree fixes from Rob Herring:
 "A couple of schema and kbuild fixes"

* tag 'devicetree-fixes-for-5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: phy: qcom-qusb2: Fix defaults
  dt-bindings: Fix erroneous 'additionalProperties'
  dt-bindings: Fix command line length limit calling dt-mk-schema
  dt-bindings: Re-enable core schemas for dtbs_check
2020-04-26 10:47:29 -07:00
Luis Chamberlain
5a3577039c firmware_loader: revert removal of the fw_fallback_config export
Christoph's patch removed two unsused exported symbols, however, one
symbol is used by the firmware_loader itself.  If CONFIG_FW_LOADER=m so
the firmware_loader is modular but CONFIG_FW_LOADER_USER_HELPER=y we fail
the build at mostpost.

ERROR: modpost: "fw_fallback_config" [drivers/base/firmware_loader/firmware_class.ko] undefined!

This happens because the variable fw_fallback_config is built into the
kernel if CONFIG_FW_LOADER_USER_HELPER=y always, so we need to grant
access to the firmware loader module by exporting it.

Revert only one hunk from his patch.

Fixes: 739604734b ("firmware_loader: remove unused exports")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20200424184916.22843-1-mcgrof@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-26 10:42:15 +02:00
Linus Torvalds
b2768df24e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull pid leak fix from Eric Biederman:
 "Oleg noticed that put_pid(thread_pid) was not getting called when proc
  was not compiled in.

  Let's get that fixed before 5.7 is released and causes problems for
  anyone"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  proc: Put thread_pid in release_task not proc_flush_pid
2020-04-25 12:25:32 -07:00
Linus Torvalds
acd6294468 A single fix for a comment that may show up in DocBook output.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fixlet from Ingo Molnar:
 "A single fix for a comment that may show up in DocBook output"

* tag 'timers-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  vdso/datapage: Use correct clock mode name in comment
2020-04-25 12:16:48 -07:00
Linus Torvalds
05db498ad9 Misc fixes:
- an uclamp accounting fix
  - three frequency invariance fixes and a readability improvement
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Ingo Molnar:
 "Misc fixes:

   - an uclamp accounting fix

   - three frequency invariance fixes and a readability improvement"

* tag 'sched-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/core: Fix reset-on-fork from RT with uclamp
  x86, sched: Move check for CPU type to caller function
  x86, sched: Don't enable static key when starting secondary CPUs
  x86, sched: Account for CPUs with less than 4 cores in freq. invariance
  x86, sched: Bail out of frequency invariance if base frequency is unknown
2020-04-25 12:11:47 -07:00
Linus Torvalds
e18588005d Two changes:
- fix exit event records
  - extend x86 PMU driver enumeration to add Intel Jasper Lake CPU support.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar:
 "Two changes:

   - fix exit event records

   - extend x86 PMU driver enumeration to add Intel Jasper Lake CPU
     support"

* tag 'perf-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/core: fix parent pid/tid in task exit events
  perf/x86/cstate: Add Jasper Lake CPU support
2020-04-25 12:08:24 -07:00
Linus Torvalds
9b3e59e3de Two fixes: fix an off-by-one bug, and fix 32-bit builds on 64-bit systems.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool fixes from Ingo Molnar:
 "Two fixes: fix an off-by-one bug, and fix 32-bit builds on 64-bit
  systems"

* tag 'objtool-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Fix off-by-one in symbol_by_offset()
  objtool: Fix 32bit cross builds
2020-04-25 11:52:02 -07:00
Claudio Imbrenda
673deb0beb s390/protvirt: fix compilation issue
The kernel fails to compile with CONFIG_PROTECTED_VIRTUALIZATION_GUEST
set but CONFIG_KVM unset.

This patch fixes the issue by making the needed variable always available.

Link: https://lkml.kernel.org/r/20200423120114.2027410-1-imbrenda@linux.ibm.com
Fixes: a0f60f8431 ("s390/protvirt: Add sysfs firmware interface for Ultravisor information")
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Philipp Rudo <prudo@linux.ibm.com>
Suggested-by: Philipp Rudo <prudo@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2020-04-25 10:17:24 +02:00
Linus Torvalds
ab51cac00e Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix memory leak in netfilter flowtable, from Roi Dayan.

 2) Ref-count leaks in netrom and tipc, from Xiyu Yang.

 3) Fix warning when mptcp socket is never accepted before close, from
    Florian Westphal.

 4) Missed locking in ovs_ct_exit(), from Tonghao Zhang.

 5) Fix large delays during PTP synchornization in cxgb4, from Rahul
    Lakkireddy.

 6) team_mode_get() can hang, from Taehee Yoo.

 7) Need to use kvzalloc() when allocating fw tracer in mlx5 driver,
    from Niklas Schnelle.

 8) Fix handling of bpf XADD on BTF memory, from Jann Horn.

 9) Fix BPF_STX/BPF_B encoding in x86 bpf jit, from Luke Nelson.

10) Missing queue memory release in iwlwifi pcie code, from Johannes
    Berg.

11) Fix NULL deref in macvlan device event, from Taehee Yoo.

12) Initialize lan87xx phy correctly, from Yuiko Oshino.

13) Fix looping between VRF and XFRM lookups, from David Ahern.

14) etf packet scheduler assumes all sockets are full sockets, which is
    not necessarily true. From Eric Dumazet.

15) Fix mptcp data_fin handling in RX path, from Paolo Abeni.

16) fib_select_default() needs to handle nexthop objects, from David
    Ahern.

17) Use GFP_ATOMIC under spinlock in mac80211_hwsim, from Wei Yongjun.

18) vxlan and geneve use wrong nlattr array, from Sabrina Dubroca.

19) Correct rx/tx stats in bcmgenet driver, from Doug Berger.

20) BPF_LDX zero-extension is encoded improperly in x86_32 bpf jit, fix
    from Luke Nelson.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (100 commits)
  selftests/bpf: Fix a couple of broken test_btf cases
  tools/runqslower: Ensure own vmlinux.h is picked up first
  bpf: Make bpf_link_fops static
  bpftool: Respect the -d option in struct_ops cmd
  selftests/bpf: Add test for freplace program with expected_attach_type
  bpf: Propagate expected_attach_type when verifying freplace programs
  bpf: Fix leak in LINK_UPDATE and enforce empty old_prog_fd
  bpf, x86_32: Fix logic error in BPF_LDX zero-extension
  bpf, x86_32: Fix clobbering of dst for BPF_JSET
  bpf, x86_32: Fix incorrect encoding in BPF_LDX zero-extension
  bpf: Fix reStructuredText markup
  net: systemport: suppress warnings on failed Rx SKB allocations
  net: bcmgenet: suppress warnings on failed Rx SKB allocations
  macsec: avoid to set wrong mtu
  mac80211: sta_info: Add lockdep condition for RCU list usage
  mac80211: populate debugfs only after cfg80211 init
  net: bcmgenet: correct per TX/RX ring statistics
  net: meth: remove spurious copyright text
  net: phy: bcm84881: clear settings on link down
  chcr: Fix CPU hard lockup
  ...
2020-04-24 19:17:30 -07:00
David S. Miller
167ff131cb Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says:

====================
pull-request: bpf 2020-04-24

The following pull-request contains BPF updates for your *net* tree.

We've added 17 non-merge commits during the last 5 day(s) which contain
a total of 19 files changed, 203 insertions(+), 85 deletions(-).

The main changes are:

1) link_update fix, from Andrii.

2) libbpf get_xdp_id fix, from David.

3) xadd verifier fix, from Jann.

4) x86-32 JIT fixes, from Luke and Wang.

5) test_btf fix, from Stanislav.

6) freplace verifier fix, from Toke.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-24 18:26:14 -07:00