PS_HOLD based power off procedure is common for all Exynos SoCs,
so use it for every Exynos SoCs.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
The platform_device_id is not modified by the driver and core
uses it as const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
The irq_domain_ops are not modified by the driver and the irqdomain
core code accepts pointer to a const data.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
The following patch adds coupled cpuidle support for Exynos3250 to
an existing cpuidle-exynos driver. As a result it enables AFTR mode
to be used by default on Exynos3250 without the need to hot unplug
CPU1 first.
The detailed changelog:
- use exynos_[get,set]_boot_addr() in cpuidle-exynos.c and then make
cpu_boot_reg_base() static
- use exynos_core_restart() in exynos_cpu0_enter_aftr()
- add missing smp_rmb() to exynos_cpu0_enter_aftr() (to make the code
in-sync with the platform SMP code)
- add call_firmware_op(cpu_boot, 1) to exynos_cpu0_enter_aftr()
- use dsb_sev() instead of IPI wakeup for Exynos3250 in
exynos_cpu0_enter_aftr()
- add CPU0 vs CPU1 synchronization based on S5P_PMU_SPARE2 register
for Exynos3250 to cpuidle-exynos.c
- add flush_cache_all() for CPU1/0 before powerdown/AFTR for
Exynos3250 to exynos_wfi_finisher()/exynos_do_idle()
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Add get_cpu_boot_addr() firmware operation and then
exynos_get_boot_addr() helper.
This is a preparation for adding coupled cpuidle support
for Exynos3250 SoC.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Add exynos_set_boot_addr() helper and covert existing code
(exynos_boot_secondary() and exynos_smp_prepare_cpus()) to
use it.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
There is a kernel message about secondary CPU bootup when
exynos_core_restart() is called through CPU hotplug code-path (the
only exynos_core_restart() user currently) so there is no need for
an extra info on Exynos3250 SoC about software reset. This also
prepares exynos_core_restart() to be re-used in coupled cpuidle
code-path in the future.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
exynos_boot_secondary() can erroneously return 0 or -ENOSYS even
when waiting on pen_release being set to -1 timeouts. Fix it by
adjusting ret variable value to -ETIMEDOUT when necessary.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Using a fixed (by DTS) parent for clocks when turning on the power
domain may introduce issues in other drivers. For example when such
driver changes the parent during runtime and expects that he is the
only place of such change.
Do not rely on DTS providing the fixed parent for such clocks. Instead
before switching domain off, grab a current parent of a clock with
clk_get_parent().
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Convert clk_enable/clk_disable to clk_prepare_enable/clk_disable_unprepare
calls as required by common clock framework. Removes this warning on probe:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:889 __clk_enable+0x28/0x9c()
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 3.19.0+ #46
[<c0013a98>] (unwind_backtrace) from [<c0010d8c>] (show_stack+0x10/0x14)
[<c0010d8c>] (show_stack) from [<c001b018>] (warn_slowpath_common+0x7c/0xa4)
[<c001b018>] (warn_slowpath_common) from [<c001b0d0>] (warn_slowpath_null+0x18/0x20)
[<c001b0d0>] (warn_slowpath_null) from [<c01a5f80>] (__clk_enable+0x28/0x9c)
[<c01a5f80>] (__clk_enable) from [<c01a600c>] (clk_enable+0x18/0x2c)
[<c01a600c>] (clk_enable) from [<c001860c>] (s3c_adc_probe+0x11c/0x18c)
[<c001860c>] (s3c_adc_probe) from [<c0153a10>] (platform_drv_probe+0x30/0x78)
[<c0153a10>] (platform_drv_probe) from [<c01523e0>] (driver_probe_device+0xb0/0x1fc)
[<c01523e0>] (driver_probe_device) from [<c01525dc>] (__driver_attach+0x68/0x88)
[<c01525dc>] (__driver_attach) from [<c0150df0>] (bus_for_each_dev+0x70/0x94)
[<c0150df0>] (bus_for_each_dev) from [<c0151c80>] (bus_add_driver+0xdc/0x1c4)
[<c0151c80>] (bus_add_driver) from [<c0152ba4>] (driver_register+0x9c/0xe0)
[<c0152ba4>] (driver_register) from [<c03041cc>] (adc_init+0x10/0x34)
[<c03041cc>] (adc_init) from [<c00087fc>] (do_one_initcall+0x110/0x1cc)
[<c00087fc>] (do_one_initcall) from [<c02ffccc>] (kernel_init_freeable+0xf4/0x1ac)
[<c02ffccc>] (kernel_init_freeable) from [<c022f4fc>] (kernel_init+0x8/0xe0)
[<c022f4fc>] (kernel_init) from [<c000e098>] (ret_from_fork+0x14/0x3c)
---[ end trace f4a1ea39a114fecf ]---
Signed-off-by: Sergiy Kibrik <sakib@meta.ua>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Add missing of_node_put() to:
1. Error return path if allocating memory for exynos_pm_domain failed.
2. Second iteration over power domains if a child domain was not
present or was incomplete.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reported-by: Karol Wrona <k.wrona@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Prevent possible NULL pointer dereference of pointer returned by
of_find_device_by_node(). Handle this by skipping such power domain.
Additionally fail the init on kstrdup() failure. Such case is actually
not fatal because the name for power domain allocated by kstrdup() is
used only in printk. Still as a precaution handle this as an error
condition.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Prevent possible NULL pointer dereference if of_iomap() fails.
Handle the error by skipping such power domain.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Nothing frightening this time, just smaller fixes in a number of places.
The other changes contained here are:
MAINTAINERS file updates:
- The mach-gemini maintainer is back in action and has a new git tree
- Krzysztof Kozlowski has volunteered to be a new co-maintainer
for the samsung platforms
- updates to the files that belong to Marvell mvebu
Bug fixes:
- The largest changes are on omap2, but are only to avoid some
harmless warnings and to fix reset on omap4
- a small regression fix on tegra
- multiple fixes for incorrect IRQ affinity on vexpress
- the missing system controller on arm64 juno is added
- one revert of a patch that was accidentally applied
twice for mach-rockchip
- two clock related DT fixes for mvebu
- a workaround for suspend with old DT binaries on new
exynos kernels
- Another fix for suspend on exynos, needs to be backported.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"Nothing frightening this time, just smaller fixes in a number of
places.
The other changes contained here are:
MAINTAINERS file updates:
- The mach-gemini maintainer is back in action and has a new git tree
- Krzysztof Kozlowski has volunteered to be a new co-maintainer for
the samsung platforms
- updates to the files that belong to Marvell mvebu
Bug fixes:
- The largest changes are on omap2, but are only to avoid some
harmless warnings and to fix reset on omap4
- a small regression fix on tegra
- multiple fixes for incorrect IRQ affinity on vexpress
- the missing system controller on arm64 juno is added
- one revert of a patch that was accidentally applied twice for
mach-rockchip
- two clock related DT fixes for mvebu
- a workaround for suspend with old DT binaries on new exynos kernels
- Another fix for suspend on exynos, needs to be backported"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits)
MAINTAINERS: Add dts entries for some of the Marvell SoCs
MAINTAINERS: ARM: EXYNOS: Add Krzysztof Kozlowski as co-maintainer
ARM: EXYNOS: Use of_machine_is_compatible instead of soc_is_exynos4
ARM: EXYNOS: Fix failed second suspend on Exynos4
Revert "ARM: rockchip: fix undefined instruction of reset_ctrl_regs"
ARM: EXYNOS: Fix dereference of ERR_PTR returned by of_genpd_get_from_provider
ARM: EXYNOS: Don't try to initialize suspend on old DT
ARM: dts: Add keep-power-in-suspend to WiFi SDIO node for Peach Boards
ARM: gemini: fix compiler warning due wrong data type
ARM: vexpress/tc2: Add interrupt-affinity to the PMU node
ARM: vexpress/ca9: Add interrupt-affinity to the PMU node
ARM: vexpress/ca9: Add unified-cache property to l2 cache node
ARM64: juno: add sp810 support and fix sp804 clock frequency
ARM: Gemini: Maintainers update
ARM: OMAP2+: Remove bogus struct clk comparison for timer clock
ARM: dove: Add clock-names to CuBox Si5351 clk generator
ARM: AM33xx+: hwmod: re-use omap4 implementations for reset functionality
ARM: OMAP4+: PRM: add support for passing status register/bit info to reset
ARM: AM43xx: hwmod: add VPFE hwmod entries
ARM: mvebu: Fix the main PLL frequency on Armada 375, 38x and 39x SoCs
...
- fix second S2R on exynos4412 based Trats2, Odroid U3 boards which
happened after enabling L2$ and caused by commit 13cfa6c4f7 ("ARM:
EXYNOS: Fix CPU idle clock down after CPU off")
And replace the soc_is_exynosxxx() macro with of_compatible_xxx
- fix dereference of ERR_PTR of of_genpd_get_from_provider()
- fix suspend problem on old DT machines to skip the initialization
suspend and caused by commit 8b283c0254 ("ARM: exynos4/5: convert
pmu wakeup to stacked domains")
- add keep-power-in-suspend for Peach Boards to support S2R and has
been missed in previous pull-request for fixes
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Merge tag 'samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
Merge "Samsung 2nd fixes for v4.1" from Kukjin Kim:
- fix second S2R on exynos4412 based Trats2, Odroid U3 boards which
happened after enabling L2$ and caused by commit 13cfa6c4f7 ("ARM:
EXYNOS: Fix CPU idle clock down after CPU off")
And replace the soc_is_exynosxxx() macro with of_compatible_xxx
- fix dereference of ERR_PTR of of_genpd_get_from_provider()
- fix suspend problem on old DT machines to skip the initialization
suspend and caused by commit 8b283c0254 ("ARM: exynos4/5: convert
pmu wakeup to stacked domains")
- add keep-power-in-suspend for Peach Boards to support S2R and has
been missed in previous pull-request for fixes
* tag 'samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Use of_machine_is_compatible instead of soc_is_exynos4
ARM: EXYNOS: Fix failed second suspend on Exynos4
ARM: EXYNOS: Fix dereference of ERR_PTR returned by of_genpd_get_from_provider
ARM: EXYNOS: Don't try to initialize suspend on old DT
ARM: dts: Add keep-power-in-suspend to WiFi SDIO node for Peach Boards
Fix the main PLL frequency on Armada 375, 38x and 39x SoCs
Add clock-names to CuBox Si5351 clk generator
Add dts entries in the MAINTAINERS file
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Merge tag 'mvebu-fixes-4.1-2' of git://git.infradead.org/linux-mvebu into fixes
Merge "mvebu fixes for 4.1 (part 2)" from Gregory CLEMENT:
Fix the main PLL frequency on Armada 375, 38x and 39x SoCs
Add clock-names to CuBox Si5351 clk generator
Add dts entries in the MAINTAINERS file
* tag 'mvebu-fixes-4.1-2' of git://git.infradead.org/linux-mvebu:
MAINTAINERS: Add dts entries for some of the Marvell SoCs
ARM: dove: Add clock-names to CuBox Si5351 clk generator
ARM: mvebu: Fix the main PLL frequency on Armada 375, 38x and 39x SoCs
of_machine_is_compatible() seems to be preferred over soc_is_exynos4().
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
On Exynos4412 boards (Trats2, Odroid U3) after enabling L2 cache in
56b60b8bce ("ARM: 8265/1: dts: exynos4: Add nodes for L2 cache
controller") the second suspend to RAM failed. First suspend worked fine
but the next one hang just after powering down of secondary CPUs (system
consumed energy as it would be running but was not responsive).
The issue was caused by enabling delayed reset assertion for CPU0 just
after issuing power down of cores. This was introduced for Exynos4 in
13cfa6c4f7 ("ARM: EXYNOS: Fix CPU idle clock down after CPU off").
The whole behavior is not well documented but after checking with vendor
code this should be done like this (on Exynos4):
1. Enable delayed reset assertion when system is running (for all CPUs).
2. Disable delayed reset assertion before suspending the system.
This can be done after powering off secondary CPUs.
3. Re-enable the delayed reset assertion when system is resumed.
Fixes: 13cfa6c4f7 ("ARM: EXYNOS: Fix CPU idle clock down after CPU off")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Tested-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
so only one of them (the newer one) is actually needed.
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Merge tag 'v4.1-rockchip-socfixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into fixes
The previous two suspend related fixes both fix the same issue
so only one of them (the newer one) is actually needed.
* tag 'v4.1-rockchip-socfixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
Revert "ARM: rockchip: fix undefined instruction of reset_ctrl_regs"
This reverts commit b403125d3b.
As reported by Chris, both commits
b403125 "ARM: rockchip: fix undefined instruction of reset_ctrl_regs"
0ea001d "ARM: rockchip: disable dapswjdp during suspend"
actually fix the same issue and b403125 is the older one, which got
superseded by 0ea001d. Therefore revert the obsolete one again.
Reported-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
ERR_PTR was dereferenced during sub domain parsing, if parent domain
could not be obtained (because of invalid phandle or deferred
registration of parent domain).
The Exynos power domain code checked whether
of_genpd_get_from_provider() returned NULL and in that case it skipped
that power domain node. However this function returns ERR_PTR or valid
pointer, not NULL.
Fixes: 0f7807518f ("ARM: EXYNOS: add support for sub-power domains")
Cc: <stable@vger.kernel.org> [4.0+]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Pull networking fixes from David Miller:
1) Handle max TX power properly wrt VIFs and the MAC in iwlwifi, from
Avri Altman.
2) Use the correct FW API for scan completions in iwlwifi, from Avraham
Stern.
3) FW monitor in iwlwifi accidently uses unmapped memory, fix from Liad
Kaufman.
4) rhashtable conversion of mac80211 station table was buggy, the
virtual interface was not taken into account. Fix from Johannes
Berg.
5) Fix deadlock in rtlwifi by not using a zero timeout for
usb_control_msg(), from Larry Finger.
6) Update reordering state before calculating loss detection, from
Yuchung Cheng.
7) Fix off by one in bluetooth firmward parsing, from Dan Carpenter.
8) Fix extended frame handling in xiling_can driver, from Jeppe
Ledet-Pedersen.
9) Fix CODEL packet scheduler behavior in the presence of TSO packets,
from Eric Dumazet.
10) Fix NAPI budget testing in fm10k driver, from Alexander Duyck.
11) macvlan needs to propagate promisc settings down the the lower
device, from Vlad Yasevich.
12) igb driver can oops when changing number of rings, from Toshiaki
Makita.
13) Source specific default routes not handled properly in ipv6, from
Markus Stenberg.
14) Use after free in tc_ctl_tfilter(), from WANG Cong.
15) Use softirq spinlocking in netxen driver, from Tony Camuso.
16) Two ARM bpf JIT fixes from Nicolas Schichan.
17) Handle MSG_DONTWAIT properly in ring based AF_PACKET sends, from
Mathias Kretschmer.
18) Fix x86 bpf JIT implementation of FROM_{BE16,LE16,LE32}, from Alexei
Starovoitov.
19) ll_temac driver DMA maps TX packet header with incorrect length, fix
from Michal Simek.
20) We removed pm_qos bits from netdevice.h, but some indirect
references remained. Kill them. From David Ahern.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (90 commits)
net: Remove remaining remnants of pm_qos from netdevice.h
e1000e: Add pm_qos header
net: phy: micrel: Fix regression in kszphy_probe
net: ll_temac: Fix DMA map size bug
x86: bpf_jit: fix FROM_BE16 and FROM_LE16/32 instructions
netns: return RTM_NEWNSID instead of RTM_GETNSID on a get
Update be2net maintainers' email addresses
net_sched: gred: use correct backlog value in WRED mode
pppoe: drop pppoe device in pppoe_unbind_sock_work
net: qca_spi: Fix possible race during probe
net: mdio-gpio: Allow for unspecified bus id
af_packet / TX_RING not fully non-blocking (w/ MSG_DONTWAIT).
bnx2x: limit fw delay in kdump to 5s after boot
ARM: net: delegate filter to kernel interpreter when imm_offset() return value can't fit into 12bits.
ARM: net fix emit_udiv() for BPF_ALU | BPF_DIV | BPF_K intruction.
mpls: Change reserved label names to be consistent with netbsd
usbnet: avoid integer overflow in start_xmit
netxen_nic: use spin_[un]lock_bh around tx_clean_lock (2)
net: xgene_enet: Set hardware dependency
net: amd-xgbe: Add hardware dependency
...
The Marvell mwifiex driver prevents the system to enter into a suspend
state if the card power is not preserved during a suspend/resume cycle.
So Suspend-to-RAM and Suspend-to-idle is failing on Exynos5800 Peach Pi
and Exynos5420 Peach Pit Chromebooks.
Add the keep-power-in-suspend Power Management property to the SDIO/MMC
node so the mwifiex suspend handler doesn't fail and the system is able
to enter into a suspend state.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
This patch fixes a compiler warning in gemini_restart()
issued by commit 7b6d864b48 ("reboot:arm: reboot_mode
changes from char to enum reboot_mode").
arch/arm/mach-gemini/board-rut1xx.c:93:2: warning: initialization from incompatible pointer type
The warning is harmless, and the patch does not need to
be backported to stable kernels.
Fixes: 7b6d864b48 ("reboot:arm: reboot_mode changes from char to enum reboot_mode.")
Signed-off-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix bogus comparison of struct clk pointers, turns out
we can fix it by just removing the comparison
- Fix am437 hardreset implementation and remove boottime
warnings by adding the VPFE hwmod data
- Regression fix for am43xx PRM code, simplify things
by reusing the omap4 PRM implementation
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Merge tag 'omap-for-v4.1/fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "Few fixes for omap clocks, PRM and hwmod code" from Tony Lindgren:
- Fix bogus comparison of struct clk pointers, turns out
we can fix it by just removing the comparison
- Fix am437 hardreset implementation and remove boottime
warnings by adding the VPFE hwmod data
- Regression fix for am43xx PRM code, simplify things
by reusing the omap4 PRM implementation
* tag 'omap-for-v4.1/fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Remove bogus struct clk comparison for timer clock
ARM: AM33xx+: hwmod: re-use omap4 implementations for reset functionality
ARM: OMAP4+: PRM: add support for passing status register/bit info to reset
ARM: AM43xx: hwmod: add VPFE hwmod entries
Commit 9fd85eb502 ("ARM: pmu: add support for interrupt-affinity
property") added an optional "interrupt-affinity" property, to specify
the CPU affinity for each SPI listed in the interrupts property.
Without this property, we get this boot warning:
CPU PMU: Failed to parse <no-node>/interrupt-affinity[0]
This patch adds interrupt-affinity to the PMU node in the
vexpress-ca15_a7(a.k.a TC2) device tree.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Commit 9fd85eb502 ("ARM: pmu: add support for interrupt-affinity
property") added an optional "interrupt-affinity" property, to specify
the CPU affinity for each SPI listed in the interrupts property.
Without this property, we get this boot warning:
CPU PMU: Failed to parse <no-node>/interrupt-affinity[0]
This patch adds interrupt-affinity to the PMU node in the
vexpress-v2p-ca9 device tree.
Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Commit d9d1f3e2d7 ("ARM: l2c: check that DT files specify the required
"cache-unified" property") mandates to specify this required property.
Without this property, we get this boot warning:
"L2C: device tree omits to specify unified cache"
This patch adds "cache-unified" property to L2 cache node in vexpress
CA9 device tree.
Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This contains a fix for a bug that was introduced a couple of months ago
by a patch that git misapplied because of a lack of context.
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Merge tag 'tegra-for-4.1-fixes-for-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into fixes
Merge "ARM: tegra: Device tree fixes for v4.1-rc3" from Thierry Reding:
This contains a fix for a bug that was introduced a couple of months ago
by a patch that git misapplied because of a lack of context.
* tag 'tegra-for-4.1-fixes-for-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: Correct which USB controller has the UTMI pad registers
Fix a few AM43xx problems: add the VPFE hwmod data, which removes some
warnings; and fix the IP block hardreset implementation.
Basic build, boot, and PM test results are here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.1-rc/20150508130543/
Note that I do not have an AM43xx board in the testbed, and thus
cannot test on that platform.
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Merge tag 'for-v4.1-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.1/fixes
ARM: OMAP2+: first set of hwmod fixes for v4.1-rc
Fix a few AM43xx problems: add the VPFE hwmod data, which removes some
warnings; and fix the IP block hardreset implementation.
Basic build, boot, and PM test results are here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.1-rc/20150508130543/
Note that I do not have an AM43xx board in the testbed, and thus
cannot test on that platform.
With recent changes to use determine_rate, the comparison of two
clocks won't work without clk_is_match that does __clk_get_hw
on the clocks first.
As we've been unconditionally already calling clk_set_parent
already because of the bogus comparison, let's just remove the
check as suggested by Stephen Boyd <sboyd@codeaurora.org>.
Cc: Michael Turquette <mturquette@linaro.org>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Si5351 clock generator on CuBox uses XTAL as clock reference, name the
clock phandle accordingly.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
The ARM JIT code emits "ldr rX, [pc, #offset]" to access the literal
pool. #offset maximum value is 4095 and if the generated code is too
large, the #offset value can overflow and not point to the expected
slot in the literal pool. Additionally, when overflow occurs, bits of
the overflow can end up changing the destination register of the ldr
instruction.
Fix that by detecting the overflow in imm_offset() and setting a flag
that is checked for each BPF instructions converted in
build_body(). As of now it can only be detected in the second pass. As
a result the second build_body() call can now fail, so add the
corresponding cleanup code in that case.
Using multiple literal pools in the JITed code is going to require
lots of intrusive changes to the JIT code (which would better be done
as a feature instead of fix), just delegating to the kernel BPF
interpreter in that case is a more straight forward, minimal fix and
easy to backport.
Fixes: ddecdfcea0 ("ARM: 7259/3: net: JIT compiler for packet filters")
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
In that case, emit_udiv() will be called with rn == ARM_R0 (r_scratch)
and loading rm first into ARM_R0 will result in jit_udiv() function
being called the same dividend and divisor. Fix that by loading rn
first into ARM_R1 and then rm into ARM_R0.
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Cc: <stable@vger.kernel.org> # v3.13+
Fixes: aee636c480 (bpf: do not use reciprocal divide)
Acked-by: Mircea Gherzan <mgherzan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull ARM fixes from Russell King:
"A set of ARM fixes:
- fix an off-by-one error in the iommu DMA ops, which caused errors
with a 4GiB size.
- remove comments mentioning the non-existent CONFIG_CPU_ARM1020_CPU_IDLE
macro.
- remove useless CONFIG_CPU_ICACHE_STREAMING_DISABLE blocks, where
this symbol never appeared in any Kconfig.
- fix Feroceon code to cope with a previous change correctly (it
incorrectly left an additional word in an assembly structure
definition)
- avoid a misleading IRQ affinity warning in the ARM PMU code for
IRQs which are already affine to their CPUs.
- fix the node name printed in the IRQ affinity warning"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8352/1: perf: Fix the pmu node name in warning message
ARM: 8351/1: perf: don't warn about missing interrupt-affinity property for PPIs
ARM: 8350/1: proc-feroceon: Fix feroceon_proc_info macro
ARM: 8349/1: arch/arm/mm/proc-arm925.S: remove dead #ifdef block
ARM: 8348/1: remove comments on CPU_ARM1020_CPU_IDLE
ARM: 8347/1: dma-mapping: fix off-by-one check in arm_setup_iommu_dma_ops
- fixes commit ea08de16eb ("ARM: dts: Add DISP1 power
domain for exynos5420") which causes 'unhandled fault:
imprecise external abort' error when PD turned off.
: make DP a consumer of DISP1 power domain
- fixes 's3c-rtc' probe failure on Odriod-X2/U2/U3 boards.
: add 'rtc_src' clock to rtc node for source clock of rtc
- fixes typo for 'cpu-crit-0' trip point on exynos5420/5440
- fixes S2R failure on exynos5250-snow due to card power of
Marvell WiFi driver (suspend/resume)
: add keep-power-in-susped to WiFi SDIO node
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Merge tag 'samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung
Pull samsung fixes from Kukjin Kim:
"Here is Samsung fixes for v4.1. Since I've missed to send this via
arm-soc tree before v4.1-rc3, so I'm sending this to you directly
- fix commit ea08de16eb ("ARM: dts: Add DISP1 power domain for
exynos5420") which causes 'unhandled fault: imprecise external
abort' error when PD turned off. ("make DP a consumer of DISP1
power domain")
- fix 's3c-rtc' probe failure on Odriod-X2/U2/U3 boards ("add
'rtc_src' clock to rtc node for source clock of rtc")
- fix typo for 'cpu-crit-0' trip point on exynos5420/5440
- fix S2R failure on exynos5250-snow due to card power of Marvell
WiFi driver (suspend/resume) ("add keep-power-in-susped to WiFi
SDIO node")"
* tag 'samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: dts: Add keep-power-in-suspend to WiFi SDIO node for exynos5250-snow
ARM: dts: Fix typo in trip point temperature for exynos5420/5440
ARM: dts: add 'rtc_src' clock to rtc node for exynos4412-odroid boards
ARM: dts: Make DP a consumer of DISP1 power domain on Exynos5420
A few patches have come up since the merge window. The largest one is a
rewrite of the PXA lubbock/mainstone IRQ handling. This was already
broken in 2011 by a change to the GPIO code and only noticed now.
The other changes contained here are:
MAINTAINERS file updates:
- Ray Jui and Scott Branden are now co-maintainers for some of the
mach-bcm chips, while Christian Daudt and Marc Carino have stepped
down.
- Andrew Victor is no longer maintaining at91. Instead, Alexandre
Belloni now becomes an official maintainer, after having done a
bulk of the work for a while.
- Baruch Siach, who added the mach-digicolor platform in 4.1
is now listed as maintainer
- The git URL for mach-socfpga has changed
Bug fixes:
- Three bug fixes for new rockchip rk3288 code
- A regression fix to make SD card support work on certain ux500
boards
- multiple smaller dts fixes for imx, omap, mvebu, and shmobile
- a regression fiix for omap3 power consumption
- a fix for regression in the ARM CCI bus driver
Configuration changes:
- more imx platforms are now enabled in multi_v7_defconfig
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"A few patches have come up since the merge window. The largest one is
a rewrite of the PXA lubbock/mainstone IRQ handling. This was already
broken in 2011 by a change to the GPIO code and only noticed now.
The other changes contained here are:
MAINTAINERS file updates:
- Ray Jui and Scott Branden are now co-maintainers for some of the
mach-bcm chips, while Christian Daudt and Marc Carino have stepped
down.
- Andrew Victor is no longer maintaining at91. Instead, Alexandre
Belloni now becomes an official maintainer, after having done a
bulk of the work for a while.
- Baruch Siach, who added the mach-digicolor platform in 4.1 is now
listed as maintainer
- The git URL for mach-socfpga has changed
Bug fixes:
- Three bug fixes for new rockchip rk3288 code
- A regression fix to make SD card support work on certain ux500
boards
- multiple smaller dts fixes for imx, omap, mvebu, and shmobile
- a regression fiix for omap3 power consumption
- a fix for regression in the ARM CCI bus driver
Configuration changes:
- more imx platforms are now enabled in multi_v7_defconfig"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
MAINTAINERS: add Conexant Digicolor machines entry
MAINTAINERS: socfpga: update the git repo for SoCFPGA
ARM: multi_v7_defconfig: Select more FSL SoCs
MAINTAINERS: replace an AT91 maintainer
drivers: CCI: fix used_mask init in validate_group()
bus: omap_l3_noc: Fix master id address decoding for OMAP5
bus: omap_l3_noc: Fix offset for DRA7 CLK1_HOST_CLK1_2 instance
ARM: dts: dra7: Fix efuse register size for ABB
ARM: dts: am57xx-beagle-x15: Switch GPIO fan number
ARM: dts: am57xx-beagle-x15: Switch UART mux pins
ARM: dts: am437x-sk: reduce col-scan-delay-us
ARM: dts: am437x-sk: fix for new newhaven display module revision
ARM: dts: am57xx-beagle-x15: Fix RTC aliases
ARM: dts: am57xx-beagle-x15: Fix IRQ type for mcp7941x
ARM: dts: omap3: Add #iommu-cells to isp and iva iommu
ARM: omap2plus_defconfig: Enable EXTCON_USB_GPIO
ARM: dts: OMAP3-N900: Add microphone bias voltages
ARM: OMAP2+: Fix omap off idle power consumption creeping up
MAINTAINERS: Update brcmstb entry
MAINTAINERS: Remove Christian Daudt for mach-bcm
...
The reset code functionality is mostly a copy paste between OMAP4+ and
AM33xx+. Re-use the omap4 code where possible, and just keep the special
implementation for de-asserting the hardreset lines for AM33xx, as
AM33xx+ devices have slightly different register layouts compared to
OMAP4+. This patch also fixes the hardreset issues faced on AM43xx.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reported-by: Dave Gerlach <d-gerlach@ti.com>
Reported-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
AM43xx has slightly different reset register layout compared to OMAP4+,
with varying status bit shifts and status register offsets. Current
code assumes static offsets and identical status / reset control bit
shifts, which is wrong. This patch adds PRM core support for passing
the actual implementations from hwmod code. AM43xx mappings will be fixed
in subsequent patch.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reported-by: Dave Gerlach <d-gerlach@ti.com>
Reported-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This patch adds VPFE HWMOD data for AM43xx.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Tested-by: Benoit Parrot <bparrot@ti.com>
[paul@pwsan.com: updated to apply on v4.1-rc1]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
The Marvell mwifiex driver prevents the system to enter into a suspend
state if the card power is not preserved during a suspend/resume cycle.
So Suspend-to-RAM and Suspend-to-idle are failing on Exynos5250 Snow.
Add the keep-power-in-suspend Power Management property to the SDIO/MMC
node so the mwifiex suspend handler doesn't fail and the system is able
to enter into a suspend state.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Remove the extra zero in the "cpu-crit-0" trip point for exynos5420
and exynos5440.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
The Exynos4412 SoC has a s3c6410 RTC where the source clock
is now a mandatory property.
This patch fixes probe failure of s3c-rtc on Odroid-X2/U2/U3 boards.
Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Commit ea08de16eb ("ARM: dts: Add DISP1 power domain for exynos5420")
added a device node for the Exynos5420 DISP1 power domain but dit not
make the DP controller a consumer of that power domain.
This causes an "Unhandled fault: imprecise external abort" error if the
exynos-dp driver tries to access the DP controller registers and the PD
was turned off. This lead to a kernel panic and a complete system hang.
Make the DP controller device node a consumer of the DISP1 power domain
to ensure that the PD is turned on when the exynos-dp driver is probed.
Fixes: ea08de16eb ("ARM: dts: Add DISP1 power domain for exynos5420")
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
in the Ux500 DT but triggered by proper error handling in v4.1-rc1.
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Merge tag 'stericsson-fixes-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into fixes
Merge "Ux500 fixes" from Linus Walleij:
This fixes an MMC/SD configuration issue present for some time
in the Ux500 DT but triggered by proper error handling in v4.1-rc1.
* tag 'stericsson-fixes-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: ux500: Enable GPIO regulator for SD-card for snowball
ARM: ux500: Enable GPIO regulator for SD-card for HREF boards
ARM: ux500: Move GPIO regulator for SD-card into board DTSs
creeping up during idle, and two l3-noc device fixes:
- Fix power consumption creeping up with I2C4 staying on
- Fix n900 microphone bias voltages
- Fix dra7 l3-noc for host clock
- Fix omap5 l3-noc id address decoding
The rest are all just minor dts fixes:
- Fix changed EXTCON_USB_GPIO_USB in defconfig
- Fix missing isp and iva #iommu-cells property
- Various beagle x15 dts fixes for pre-production changes
- Fix am437x-sk display dts entries
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Merge tag 'omap-for-v4.1/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "omap fixes against v4.1-rc1" from Tony Lindgren:
Fixes for omaps, mostly a fix for power power consumption
creeping up during idle, and two l3-noc device fixes:
- Fix power consumption creeping up with I2C4 staying on
- Fix n900 microphone bias voltages
- Fix dra7 l3-noc for host clock
- Fix omap5 l3-noc id address decoding
The rest are all just minor dts fixes:
- Fix changed EXTCON_USB_GPIO_USB in defconfig
- Fix missing isp and iva #iommu-cells property
- Various beagle x15 dts fixes for pre-production changes
- Fix am437x-sk display dts entries
* tag 'omap-for-v4.1/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: omap_l3_noc: Fix master id address decoding for OMAP5
bus: omap_l3_noc: Fix offset for DRA7 CLK1_HOST_CLK1_2 instance
ARM: dts: dra7: Fix efuse register size for ABB
ARM: dts: am57xx-beagle-x15: Switch GPIO fan number
ARM: dts: am57xx-beagle-x15: Switch UART mux pins
ARM: dts: am437x-sk: reduce col-scan-delay-us
ARM: dts: am437x-sk: fix for new newhaven display module revision
ARM: dts: am57xx-beagle-x15: Fix RTC aliases
ARM: dts: am57xx-beagle-x15: Fix IRQ type for mcp7941x
ARM: dts: omap3: Add #iommu-cells to isp and iva iommu
ARM: omap2plus_defconfig: Enable EXTCON_USB_GPIO
ARM: dts: OMAP3-N900: Add microphone bias voltages
ARM: OMAP2+: Fix omap off idle power consumption creeping up
Disable the unused internal RTC in the dts of the OpenBlock AX3
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Merge tag 'mvebu-fixes-4.1' of git://git.infradead.org/linux-mvebu into fixes
Pull "mvebu fix for 4.1" from Gregory CLEMENT:
Disable the unused internal RTC in the dts of the OpenBlock AX3
* tag 'mvebu-fixes-4.1' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: armada-xp-openblocks-ax3-4: Disable internal RTC
