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2016-12-07drm/bridge: analogix: Don't return -EINVAL when panel doesn't support PSRzain wang
We will ignored PSR setting if panel not support it. So, in this case, we should return from analogix_dp_enable/disable_psr() without any error code. Let's retrun 0 instead of -EINVAL when panel not support PSR in analogix_dp_enable/disable_psr(). Signed-off-by: zain wang <wzz@rock-chips.com> Signed-off-by: Archit Taneja <architt@codeaurora.org> Link: http://patchwork.freedesktop.org/patch/msgid/1481072253-8917-1-git-send-email-wzz@rock-chips.com
2016-12-06Merge branch 'w83977af_ir-neatening'David S. Miller
Joe Perches says: ==================== irda: w83977af_ir: Neatening Originally on top of Arnd's overly long udelay patches because I noticed a misindented block. That's now already fixed along with some other whitespace problems. These patches are the remainder style issues from my original series. Even though I haven't turned on the netwinder in a box in the garage in who knows how long, if this device is still used somewhere, might as well neaten the code too. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-06irda: w83977af_ir: Neaten loggingJoe Perches
Use more common logging style, standardize function output logging use. Miscellanea: o Add and use pr_fmt o Convert printks to pr_<level> Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-06irda: w83977af_ir: Parenthesis alignmentJoe Perches
Neaten function declaration and definition arguments. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-06irda: w83977af_ir: Use the common brace styleJoe Perches
Add braces where appropriate and remove an unnecessary else. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-06irda: w83977af_ir: Neaten pointer comparisonsJoe Perches
Convert pointer comparisons to NULL. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-06irda: w83977af_ir: Remove and add blank linesJoe Perches
Use a more typical vertical spacing style. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-06irda: w83977af_ir: More whitespace neateningJoe Perches
Add spaces around operators. git diff -w shows no differences. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-06irda: w83977af_ir: Whitespace neateningJoe Perches
Remove leading and trailing whitespace. git diff -w shows no differences. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2016-12-06device-dax: fix private mapping restriction, permit read-onlyDan Williams
Hugh notes in response to commit 4cb19355ea19 "device-dax: fail all private mapping attempts": "I think that is more restrictive than you intended: haven't tried, but I believe it rejects a PROT_READ, MAP_SHARED, O_RDONLY fd mmap, leaving no way to mmap /dev/dax without write permission to it." Indeed it does restrict read-only mappings, switch to checking VM_MAYSHARE, not VM_SHARED. Cc: <stable@vger.kernel.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Pawel Lebioda <pawel.lebioda@intel.com> Fixes: 4cb19355ea19 ("device-dax: fail all private mapping attempts") Reported-by: Hugh Dickins <hughd@google.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-12-06tools/testing/nvdimm: unit test acpi_nfit_ctl()Dan Williams
A recent flurry of bug discoveries in the nfit driver's DSM marshalling routine has highlighted the fact that we do not have unit test coverage for this routine. Add a self-test of acpi_nfit_ctl() routine before probing the "nfit_test.0" device. This mocks stimulus to acpi_nfit_ctl() and if any of the tests fail "nfit_test.0" will be unavailable causing the rest of the tests to not run / fail. This unit test will also be a place to land reproductions of quirky BIOS behavior discovered in the field and ensure the kernel does not regress against implementations it has seen in practice. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-12-06acpi, nfit: fix bus vs dimm confusion in xlat_statusDan Williams
Given dimms and bus commands share the same command number space we need to be careful that we are translating status in the correct context. Otherwise we can, for example, fail an ND_CMD_GET_CONFIG_SIZE command because max_xfer is zero. It fails because that condition erroneously correlates with the 'cleared == 0' failure of ND_CMD_CLEAR_ERROR. Cc: <stable@vger.kernel.org> Fixes: aef253382266 ("libnvdimm, nfit: centralize command status translation") Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-12-06acpi, nfit: validate ars_status output buffer sizeDan Williams
If an ARS Status command returns truncated output, do not process partial records or otherwise consume non-status fields. Cc: <stable@vger.kernel.org> Fixes: 0caeef63e6d2 ("libnvdimm: Add a poison list and export badblocks") Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-12-06acpi, nfit, libnvdimm: fix / harden ars_status output length handlingDan Williams
Given ambiguities in the ACPI 6.1 definition of the "Output (Size)" field of the ARS (Address Range Scrub) Status command, a firmware implementation may in practice return 0, 4, or 8 to indicate that there is no output payload to process. The specification states "Size of Output Buffer in bytes, including this field.". However, 'Output Buffer' is also the name of the entire payload, and earlier in the specification it states "Max Query ARS Status Output Buffer Size: Maximum size of buffer (including the Status and Extended Status fields)". Without this fix if the BIOS happens to return 0 it causes memory corruption as evidenced by this result from the acpi_nfit_ctl() unit test. ars_status00000000: 00020000 00000000 ........ BUG: stack guard page was hit at ffffc90001750000 (stack is ffffc9000174c000..ffffc9000174ffff) kernel stack overflow (page fault): 0000 [#1] SMP DEBUG_PAGEALLOC task: ffff8803332d2ec0 task.stack: ffffc9000174c000 RIP: 0010:[<ffffffff814cfe72>] [<ffffffff814cfe72>] __memcpy+0x12/0x20 RSP: 0018:ffffc9000174f9a8 EFLAGS: 00010246 RAX: ffffc9000174fab8 RBX: 0000000000000000 RCX: 000000001fffff56 RDX: 0000000000000000 RSI: ffff8803231f5a08 RDI: ffffc90001750000 RBP: ffffc9000174fa88 R08: ffffc9000174fab0 R09: ffff8803231f54b8 R10: 0000000000000008 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000003 R15: ffff8803231f54a0 FS: 00007f3a611af640(0000) GS:ffff88033ed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90001750000 CR3: 0000000325b20000 CR4: 00000000000406e0 Stack: ffffffffa00bc60d 0000000000000008 ffffc90000000001 ffffc9000174faac 0000000000000292 ffffffffa00c24e4 ffffffffa00c2914 0000000000000000 0000000000000000 ffffffff00000003 ffff880331ae8ad0 0000000800000246 Call Trace: [<ffffffffa00bc60d>] ? acpi_nfit_ctl+0x49d/0x750 [nfit] [<ffffffffa01f4fe0>] nfit_test_probe+0x670/0xb1b [nfit_test] Cc: <stable@vger.kernel.org> Fixes: 747ffe11b440 ("libnvdimm, tools/testing/nvdimm: fix 'ars_status' output buffer sizing") Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-12-06acpi, nfit: fix extended status translations for ACPI DSMsVishal Verma
ACPI DSMs can have an 'extended' status which can be non-zero to convey additional information about the command. In the xlat_status routine, where we translate the command statuses, we were returning an error for a non-zero extended status, even if the primary status indicated success. Return from each command's 'case' once we have verified both its status and extend status are good. Cc: <stable@vger.kernel.org> Fixes: 11294d63ac91 ("nfit: fail DSMs that return non-zero status by default") Signed-off-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-12-06Merge tag 'v4.10-rockchip-clk2' of ↵Stephen Boyd
git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-next Pull rockchip clk driver updates from Heiko Stuebner: A new clock controller for the rk1108 soc (single-core Cortex-A7+DSP), a fix making sure the cpuclk rate is actually valid, before trying to set it and a copy-paste fix for the rk3399's testclk. * tag 'v4.10-rockchip-clk2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: clk: rockchip: add clock controller for rk1108 dt-bindings: add documentation for rk1108 cru clk: rockchip: add dt-binding header for rk1108 clk: rockchip: fix copy-paste error in rk3399 testclk clk: rockchip: validity should be checked prior to cpu clock rate change
2016-12-06drm/amdgpu: update golden setting of tongaHuang Rui
Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Ken Wang <Qingqing.Wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu/si: load the proper firmware on 0x87 oland boardsAlex Deucher
New variant. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2016-12-06drm/amdgpu: add additional pci revision to dpm workaroundAlex Deucher
New variant. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2016-12-06drm/radeon/si: load the proper firmware on 0x87 oland boardsAlex Deucher
New variant. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2016-12-06drm/radeon: add additional pci revision to dpm workaroundAlex Deucher
New variant. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2016-12-06drm/amd/powerplay: Fix potential NULL pointer issueXiangliang Yu
If doesn't enable dpm, the powerplay will not allocate memory for hw management. So, hw_init_power_state_table function will reference NULL pointer when resetting. Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Reviewed-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2016-12-06drm/amdgpu: Don't touch GFX hw during HW finiXiangliang Yu
For SR-IOV client, driver shouldn't touch the GFX hw during HW fini, otherwise, gfx will fail to start after rebooting guest os. Signed-off-by: shaoyunl <Shaoyun.Liu@amd.com> Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Monk Liu <Monk.Liu@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amd/powerplay: Adjust the position of data size initialXiangliang Yu
Put the initial part close to memory allocate, it will make code more clear. Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amd/powerplay: Ignore smu buffer usageXiangliang Yu
SMU buffer is used for power feature, but for virtualization, the power is controlled by hypervisor. Ignore it. Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amd/powerplay: cut digest partXiangliang Yu
For virtualization, FW size need to cut its digest part. Signed-off-by: Frank Min <Frank.Min@amd.com> Signed-off-by: Monk Liu <Monk.Liu@amd.com> Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu: drop redundant vi_mqd defineXiangliang Yu
Vi_structs.h has defined vi_mqd, drop redundant vi_mqd define. Signed-off-by: Monk Liu <Monk.Liu@amd.com> Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu: fix gtt available page num accountingFlora Cui
Signed-off-by: Flora Cui <Flora.Cui@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amd/powerplay: bypass fan table setup if no fan connectedHawking Zhang
If vBIOS noFan bit is set, the fan table parameters in thermal controller will not get initialized. The driver should avoid to use these uninitialized parameter to do calculation. Otherwise, it may trigger divide 0 error. Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2016-12-06drm/amd/amdgpu: validate the shadow BO.Alex Xie
Fixes a rare NULL pointer dereference in amdgpu_ttm_bind. The issue was found by Nicolai Haehnle. The patch was tested by Nicolai Haehnle. Signed-off-by: Alex Xie <AlexBin.Xie@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2016-12-06drm/amd/powerplay: disable cg pg task when pp uninitialize.Rex Zhu
fix bug on uvd pg enabled, when reboot vm in pass through case, we need to notify smu power up uvd/vce if they were power down. otherwise, the vbios post will fail. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu: no need to ungate uvd/vce clock when fini.Rex Zhu
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/radeon: Hide the HW cursor while it's out of boundsMichel Dänzer
Fixes hangs in that case under some circumstances. v2: * Only use non-0 x/yorigin if the cursor is (partially) outside of the top/left edge of the total surface with AVIVO/DCE Bugzilla: https://bugzilla.suse.com/show_bug.cgi?id=1000433 Cc: stable@vger.kernel.org Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1) Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/radeon: Always store CRTC relative radeon_crtc->cursor_x/y valuesMichel Dänzer
We were storing viewport relative coordinates for AVIVO/DCE display engines. However, radeon_crtc_cursor_set2 and radeon_cursor_reset pass radeon_crtc->cursor_x/y as the x/y parameters of radeon_cursor_move_locked, which would break if the CRTC isn't located at (0, 0). Cc: stable@vger.kernel.org Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/radeon: Also call cursor_move_locked when the cursor size changesMichel Dänzer
The cursor size also affects the register programming. Cc: stable@vger.kernel.org Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu: Only update the CUR_SIZE register when necessaryMichel Dänzer
Normally only necessary when the cursor size changes. Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu: Also call cursor_move_locked when the cursor size changesMichel Dänzer
The cursor size also affects the register programming. Cc: stable@vger.kernel.org Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu: Store CRTC relative amdgpu_crtc->cursor_x/y valuesMichel Dänzer
We were storing viewport relative coordinates. However, crtc_cursor_set2 and cursor_reset pass amdgpu_crtc->cursor_x/y as the x/y parameters of cursor_move_locked, which would break if the CRTC isn't located at (0, 0). Cc: stable@vger.kernel.org Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amd/amdgpu: enable GUI idle INT after enabling CGCGArindam Nath
GUI idle interrupts should be enabled only after we have enabled coarse grain clock gating (CGCG). This prevents GFX engine generating idle interrupt even though CGCG is not completely enabled. Most of the time this goes un-noticed, but on some Stoney ASICs this results in GFX engine hang after system resumes from suspend. The issue is not particular to Stoney though and could have occured on any ASIC. The patch fixes this issue. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reported-by: Sunil Uttarwar <Sunil.Uttarwar1@amd.com> Signed-off-by: Arindam Nath <arindam.nath@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2016-12-06drm/amdgpu: enable VCE clockgating in Polaris-10/11Maruthi Srinivas Bayyavarapu
VCE clocks are set to be disabled, when not in use. Signed-off-by: Maruthi Bayyavarapu <maruthi.bayyavarapu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu: fix CI bug uvd status not true in debugfs.Rex Zhu
can't get uvd's state by uvd_enabled. uvd_enabled is used for request higher mclk. in multi-display case, mclk has been in highest clock, no matter uvd's state changed, uvd_enabled will not be changed. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu: remove error message when loading driverXiangliang Yu
Forget to check UCODE_ID_STORAGE case and will cause to print error message when loading driver, correct it. Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amd/powerplay: fix firmware loading failureXiangliang Yu
For virtualization, firmware loading need the firmware version info, and will load the right firmware. So, transfer fw_version to toc. Signed-off-by: Frank Min <Frank.Min@amd.com> Signed-off-by: Monk Liu <Monk.Liu@amd.com> Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu: fix bug mclk can't change on PolarisRex Zhu
the root cause is we gate the clock to uvd vcpu. mclk's change should need the response from uvd if it is power on. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu: refine uvd 6.0 clock gate feature.Rex Zhu
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06drm/amdgpu/gfx8: move eop programming per queueAlex Deucher
It's per queue not per pipe. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06Revert "drm/amdgpu: use the kernel zone memory size as the max remote memory ↵Alex Deucher
in amdgpu" This reverts commit a693e050edfe794fea81d7cfe72429a406aa380b. This breaks on systems with huge amounts of system memory as we do not have enough vram to store the page tables. Additionally, this is less of an issue with the recent gtt manager changes. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-12-06PM / wakeirq: Fix dedicated wakeirq for drivers not using autosuspendTony Lindgren
I noticed some wakeirq flakeyness with consumer drivers not using autosuspend. For drivers not using autosuspend, the wakeirq may never get unmasked in rpm_suspend() because of irq desc->depth. We are configuring dedicated wakeirqs to start with IRQ_NOAUTOEN as we naturally don't want them running until rpm_suspend() is called. However, when a consumer driver initially calls pm_runtime_get(), we now wrongly start with disable_irq_nosync() call on the dedicated wakeirq that is disabled to start with. This causes desc->depth to toggle between 1 and 2 instead of the usual 0 and 1. This can prevent enable_irq() from unmasking the wakeirq as that only happens at desc->depth 1. This does not necessarily show up with drivers using autosuspend as there is time for disable_irq_nosync() before rpm_suspend() gets called after the autosuspend timeout. Let's fix the issue by adding wirq->status that lazily gets set on the first rpm_suspend(). We also need PM runtime core private functions for dev_pm_enable_wake_irq_check() and dev_pm_disable_wake_irq_check() so we can enable the dedicated wakeirq on the first rpm_suspend(). While at it, let's also fix the comments for dev_pm_enable_wake_irq() and dev_pm_disable_wake_irq(). Those can still be used by the consumer drivers as needed because the IRQ core manages the interrupt usecount for us. Fixes: 4990d4fe327b (PM / Wakeirq: Add automated device wake IRQ handling) Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-12-06ACPI / osl: Refactor acpi_os_get_root_pointer() to drop 'else':sAndy Shevchenko
There are few 'else' keywords which are redundant in acpi_os_get_root_pointer(). Refactor function to get rid of them. While here, switch to pr_err() instead of printk(KERN_ERR ...). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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