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2017-02-14drm/i915/gvt: optimize the inhibit context mmio loadChuanxiao Dong
For the inhibit ctx, load all mmio in render mmio list into HW by MMIO write for ctx initialization. For the none-inhibit ctx, only load the render mmio which is not in_context into HW by MMIO write. Skip the MMIO write for in_context mmio as context image will load it. Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2017-02-14drm/i915/gvt: add sprite plane flip done support.Xu Han
* Add flip done event support for sprite plane on SKL platform. * Fix bug #1452, "Call Trace:handle_default_event_virt+0xef/0x100 [i915]" while booting up guest. Signed-off-by: Xu Han <xu.han@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2017-02-14drm/i915/gvt: add missing display part reset for vGPU resetChangbin Du
We also need reset vGPU virtual display emulation. Since all vreg has been cleared, we need reset display related vreg to reflect our display setting. Signed-off-by: Changbin Du <changbin.du@intel.com> Cc: Ping Gao <ping.a.gao@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2017-02-14drm/i915/gvt: Fix shadow context descriptorZhenyu Wang
We need to be careful to only update addr mode for gvt shadow context descriptor but keep other valid config. This fixes GPU hang caused by invalid descriptor submitted for gvt workload. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2017-02-14drm/i915/gvt: Fix alignment for GTT allocationZhenyu Wang
We need to properly setup alignment for GTT start/end/size as required. Fixed warning from i915 gem. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2017-02-14Merge branch 'fixes' into nextUlf Hansson
2017-02-14mmc: Adding AUTO_BKOPS_EN bit set for Auto BKOPS supportUri Yanai
Adding dedicated flag for AUTO_BKOPS in card->ext_csd structure. Read AUTO_BKOPS bit value from the device EXT_CSD and set to the card->ext_csd structure. In mmc_decode_ext_csd() add a print message in case the AUTO_BKOPS is enabled Signed-off-by: Uri Yanai <uri.yanai@sandisk.com> Signed-off-by: Alex Lemberg <alex.lemberg@sandisk.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: MAN_BKOPS_EN inverse debug message logicUri Yanai
Inverse the logic for printing the debug message. In mmc_decode_ext_csd() print message when MAN_BKOPS_EN is set Signed-off-by: Uri Yanai <uri.yanai@sandisk.com> Signed-off-by: Alex Lemberg <alex.lemberg@sandisk.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: meson-gx: add support for HS400 modeHeiner Kallweit
Add support for HS400 mode. The driver still misses support for tuning, therefore highspeed modes like HS400 might not work under all circumstances yet. Successfully tested on a Odroid C2 (S905 GXBB). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Tested-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: meson-gx: remove unneeded checks in removeHeiner Kallweit
The remove callback is called only if probe finished successfully. Therefore these checks are not needed. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Tested-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: meson-gx: reduce bounce buffer sizeHeiner Kallweit
A bounce buffer of 512K isn't needed as the max request size is 511 * 512 byte. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Tested-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: meson-gx: set max block count and request sizeHeiner Kallweit
So far max_blk_count isn't set what results in a default of value 8 to be used (PAGE_SIZE / block size). Block length field has 9 bits, so set max_blk_count to 2^9-1 = 511. In addition set max_req_size because max_blk_count is also limited by max_req_size / block_size. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Tested-by: Kevin Hilman <khilman@baylibre.com> Acked-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: meson-gx: improve interrupt handlingHeiner Kallweit
Disabling and immediately re-enabling interrupts in meson_mmc_request doesn't provide a benefit. Instead enable interrupts in probe already. And disable interrupts in remove, this was missing so far. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: meson-gx: improve meson_mmc_irq_threadHeiner Kallweit
Remove unneeded variable ret and simplify the if block. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: meson-gx: improve meson_mmc_clk_setHeiner Kallweit
The following changes are quite small, therefore I combined them in one patch. - ret doesn't need to be initialized with 0 - use standard !clk_rate notation to check for a zero value - If clk_rate is zero we return here. Therefore all further checks in this function for clk_rate != 0 are not needed. - switch from dev_warn to dev_err if the clock can't be set - If due to clock source and available divider values the requested frequency isn't matched exactly (always the case if requested frequency is 52 MHz), then just print the differing values as debug message and not as warning. - Also remove ret from the message as it is always 0. - Set member current_clock to the current requested rate and mmc->actual_clock to the current actual rate Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: meson-gx: minor improvements in meson_mmc_set_iosHeiner Kallweit
val isn't used in the switch clause and afterwards there's an identical statement. So remove it. In case of an unexpected bus width the error message indicates the intention to set the bus width to 4 and to go on. So remove the return statement. This return statement also conflicts with "setting to 4" because nothing would be set actually before returning. 4bit bus width are chosen as default as the vendor driver does it too. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: meson: Assign the minimum clk rate as close to 400KHz as possibleUlf Hansson
The current code dealing with calculating mmc->f_min is a bit complicated. Additionally, the attempt to set an initial clock rate should explicitly use a rate between 100KHz to 400 KHz, according the (e)MMC/SD specs, which it doesn't. Fix the problem and clean up the code by using clk_round_rate() to pick the nearest minimum rate to 400KHz (rounded down from 400kHz). Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> [Heiner: Changed from 100KHz to 400KHz to get a proper rounded rate] Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
2017-02-14mmc: core: start to break apart mmc_start_areq()Linus Walleij
This function is doing to many clever things at the same time under too many various conditions. Start to make things clearer by refactoring: break out the finalization of the previous asynchronous request to its own function mmc_finalize_areq(). We can get rid of the default assignment of status and let the call deal with this. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: block: respect bool returned from blk_end_request()Linus Walleij
The return value from blk_end_request() is a bool but is treated like an int. This is generally safe, but the variable also has the opaque name "ret" and gets returned from the helper function mmc_blk_cmd_err(). - Switch the variable to a bool, applies everywhere. - Return a bool from mmc_blk_cmd_err() and rename the function mmc_blk_rw_cmd_err() to indicate through the namespace that this is a helper for mmc_blk_issue_rw_rq(). - Rename the variable from "ret" to "req_pending" inside the while() loop inside mmc_blk_issue_rq_rq(), which finally makes it very clear what this while loop is waiting for. - Augment the argument "ret" to mmc_blk_rq_cmd_err() to old_req_pending so it becomes evident that this is an older state, and it is returned only if we fail to get the number of written blocks from an SD card in the function mmc_sd_num_wr_blocks(). - Augment the while() loop in mmc_blk_rq_cmd_abort(): it is evident now that we know this is a bool variable, that the function is just spinning waiting for blk_end_request() to return false. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-14mmc: block: return errorcode from mmc_sd_num_wr_blocks()Linus Walleij
mmc_sd_num_wr_blocks() has an interesting construction that saves one return argument by casting (u32)-1 as error code if something goes wrong. This is however a bit confusing when the normal kernel pattern is to return an int error code on success. So instead pass a variable "blocks" that the function can fill in with the number of successfully transferred blocks and return an integer as error code. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> [Ulf: Changed a return code to -EIO, reported by Dan Carpenter and fixed by Linus Walleij]
2017-02-14dmaengine: rcar-dmac: Widen DMA mask to 40 bitsGeert Uytterhoeven
By default, the DMA mask covers only the low 32-bit address space, which causes SWIOTLB on arm64 to fall back to a bounce buffer for DMA transfers involving memory outside the 32-bit address space. The R-Car DMA controller hardware supports a 40-bit address space, hence widen the DMA mask to 40 bits to actually make use of this feature. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2017-02-14mmc: core: fix multi-bit bus width without high-speed modeAnssi Hannula
Commit 577fb13199b1 ("mmc: rework selection of bus speed mode") refactored bus width selection code to mmc_select_bus_width(). However, it also altered the behavior to not call the selection code in non-high-speed modes anymore. This causes 1-bit mode to always be used when the high-speed mode is not enabled, even though 4-bit and 8-bit bus are valid bus widths in the backwards-compatibility (legacy) mode as well (see e.g. 5.3.2 Bus Speed Modes in JEDEC 84-B50). This results in a significant regression in transfer speeds. Fix the code to allow 4-bit and 8-bit widths even without high-speed mode, as before. Tested with a Zynq-7000 PicoZed 7020 board. Fixes: 577fb13199b1 ("mmc: rework selection of bus speed mode") Signed-off-by: Anssi Hannula <anssi.hannula@bitwise.fi> Cc: <stable@vger.kernel.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-02-13net: qcom/emac: fix a sizeof() typoDan Carpenter
We had intended to say "sizeof(u32)" but the "u" is missing. Fortunately, sizeof(32) is also 4, so the original code still works. Fixes: c4e7beea2192 ("net: qcom/emac: add ethtool support for reading hardware registers") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-13net: fs_enet: Simplify codeChristophe Jaillet
There is no need to use an intermediate variable to handle an error code in this case. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-13net: fs_enet: Fix an error handling pathChristophe Jaillet
'of_node_put(fpi->phy_node)' should also be called if we branch to 'out_deregister_fixed_link' error handling path. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-13md: disable WRITE SAME if it fails in underlayer disksShaohua Li
This makes md do the same thing as dm for write same IO failure. Please see 7eee4ae(dm: disable WRITE SAME if it fails) for details why we need this. We did a little bit different than dm. Instead of disabling writesame in the first IO error, we disable it till next writesame IO coming after the first IO error. This way we don't need to clone a bio. Also reported here: https://bugzilla.kernel.org/show_bug.cgi?id=118581 Suggested-by: NeilBrown <neilb@suse.com> Acked-by: NeilBrown <neilb@suse.com> Signed-off-by: Shaohua Li <shli@fb.com>
2017-02-13Merge branch '40GbE' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue Jeff Kirsher says: ==================== 40GbE Intel Wired LAN Driver Updates 2017-02-11 This series contains updates to i40e and i40evf only. Jake makes a minor change to prevent a minor bit of work, if it is not necessary. In the case where we do not have a client, there is no need to check the client params, so move the check till after we have ensured we have a client. Correct a code comment which incorrectly implied that raw_packet buffers were freed in i40e_clean_tx_ring(), so fixed the code comment to better explain where memory is freed. Reduce the severity and frequency of the message notifying we cleared the receive timestamp register, since the logic has a much better detection scheme that could detect a stalled receive timestamp register. The improved logic was actually causing the notification message to occur more frequently and was giving the user a false perception that a timestamp event was missed for a valid packet, so reduce the severity from dev_warn to dev_dbg and only fire off the message when 3 or 4 of the RXTIME registers are stalled and get cleared within the same watchdog event. Fixed a bug, where we were modifying the mac_filter outside a lock when handling the addition of broadcast filters. Fix this by updating i40e_update_filter_state logic so that it knows to avoid broadcast filters, which ensures that we do not have to remove the filter separately and can put it back using the normal flow. Refactored how we add new filters to firmware to avoid a race condition that can occur due to removing filters from the hash temporarily. Mitch adds a sleep (without timeout) so that we wait for a reply from the PF before we continue, since the iWarp client cannot continue until the operation is completed. Fixed up a function which could never return an error, to be void and cleaned up the checking of the now null and void return value. Scott limits the DMA sync to CPU to the actual length of the incoming packet, versus the syncing of the entire buffer. Also reduces the receive buffer struct (by a single pointer) and align the driver to be more consistent with other Intel drivers with respect to packets that span buffers. Sudheer adds a field to track the bus number info and modified log statements to print bus, device and function information. Henry adds the ability to store the FEC status bits from the link up event. Also adds the ethtool support for FEC capabilities and 25G link types. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-13xen-netback: vif counters from int/long to u64Mart van Santen
This patch fixes an issue where the type of counters in the queue(s) and interface are not in sync (queue counters are int, interface counters are long), causing incorrect reporting of tx/rx values of the vif interface and unclear counter overflows. This patch sets both counters to the u64 type. Signed-off-by: Mart van Santen <mart@greenhost.nl> Reviewed-by: Paul Durrant <paul.durrant@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-13idr: Return the deleted entry from idr_removeMatthew Wilcox
It is a relatively common idiom (8 instances) to first look up an IDR entry, and then remove it from the tree if it is found, possibly doing further operations upon the entry afterwards. If we change idr_remove() to return the removed object, all of these users can save themselves a walk of the IDR tree. Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
2017-02-13cciss: switch to pci_irq_alloc_vectorsChristoph Hellwig
Simple cleanup to use the new APIs. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Don Brace <don.brace@microsemi.com> Tested-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-02-14platform/x86: intel_mid_powerbtn: Move comment to where it belongsAndy Shevchenko
The comments is about initial interrupt acknowledgment only. So, move it back to where it belongs. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-14platform/x86: intel_mid_powerbtn: Unify PBSTATUS accessAndy Shevchenko
The status register on Intel Merrifield can be read in the similar way it's done for previous MID platforms. Unify access to PBSTATUS register via SCU IPC. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-14platform/x86: intel_pmc_core: fix out-of-bounds accesses on stackAndrey Ryabinin
pmc_core_mtpmc_link_status() an pmc_core_check_read_lock_bit() use test_bit() on local 32-bit variable. This causes out-of-bounds access since test_bit() expects object at least of 'unsigned long' size: BUG: KASAN: stack-out-of-bounds in pmc_core_probe+0x3aa/0x3b0 Call Trace: __asan_report_load_n_noabort+0x5c/0x80 pmc_core_probe+0x3aa/0x3b0 local_pci_probe+0xf9/0x1e0 pci_device_probe+0x27b/0x350 driver_probe_device+0x419/0x830 __driver_attach+0x15f/0x1d0 bus_for_each_dev+0x129/0x1d0 driver_attach+0x42/0x70 bus_add_driver+0x385/0x690 driver_register+0x1a9/0x3d0 __pci_register_driver+0x1a2/0x290 intel_pmc_core_driver_init+0x19/0x1b do_one_initcall+0x12e/0x280 kernel_init_freeable+0x57c/0x623 kernel_init+0x13/0x140 ret_from_fork+0x2e/0x40 Fix this by open coding bit test. While at it, also refactor this code a little bit. Fixes: 173943b3dae5 ("platform/x86: intel_pmc_core: ModPhy core lanes pg status") Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com> [andy: reverted not related changes, used BIT() macro] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-14platform/x86: silead depends on I2C being built-inArnd Bergmann
The new driver cannot be a loadable module, so if I2C is loadable, we get this link error: drivers/platform/built-in.o: In function `silead_ts_dmi_init': silead_dmi.c:(.init.text+0x2ef): undefined reference to `i2c_bus_type' This makes the Kconfig dependency stricter to require I2C=y. Fixes: 9eeda3897a85 ("platform/x86: add support for devices with Silead touchscreens") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-14platform/x86: add support for devices with Silead touchscreensHans de Goede
On ACPI based tablets, the ACPI touchscreen node only contains info on the gpio and the irq, and is missing any info on the axis. This info is expected to be built into the tablet model specific version of the driver shipped with the os-image for the device. Add support for getting the missing info from a table built into the driver, using dmi data to identify which entry of the table to use and add info for the CUBE iwork8 Air and Jumper EZpad mini3 tablets on which this code was tested / developed. BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=187531 Signed-off-by: Hans de Goede <hdegoede@redhat.com> [dmitry.torokhov@gmail.com: Move to platform/x86] Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> [andy: fixed merge conflict] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-02-13PM / wakeirq: report a wakeup_event on dedicated wekup irqGrygorii Strashko
There are two reasons for reporting wakeup event when dedicated wakeup IRQ is triggered: - wakeup events accounting, so proper statistical data will be displayed in sysfs and debugfs; - there are small window when System is entering suspend during which dedicated wakeup IRQ can be lost: dpm_suspend_noirq() |- device_wakeup_arm_wake_irqs() |- dev_pm_arm_wake_irq(X) |- IRQ is enabled and marked as wakeup source [1]... |- suspend_device_irqs() |- suspend_device_irq(X) |- irqd_set(X, IRQD_WAKEUP_ARMED); |- wakup IRQ armed The wakeup IRQ can be lost if it's triggered at point [1] and not armed yet. Hence, fix above cases by adding simple pm_wakeup_event() call in handle_threaded_wake_irq(). Fixes: 4990d4fe327b (PM / Wakeirq: Add automated device wake IRQ handling) Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Tested-by: Keerthy <j-keerthy@ti.com> [ tony@atomide.com: added missing return to avoid warnings ] Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-13PM / wakeirq: Fix spurious wake-up events for dedicated wakeirqsGrygorii Strashko
Dedicated wakeirq is a one time event to wake-up the system from low-power state and then call pm_runtime_resume() on the device wired with the dedicated wakeirq. Sometimes dedicated wakeirqs can get deferred if they trigger after we call disable_irq_nosync() in dev_pm_disable_wake_irq(). This can happen if pm_runtime_get() is called around the same time a wakeirq fires. If an interrupt fires after disable_irq_nosync(), by default it will get tagged with IRQS_PENDING and will run later on when the interrupt is enabled again. Deferred wakeirqs usually just produce pointless wake-up events. But they can also cause suspend to fail if the deferred wakeirq fires during dpm_suspend_noirq() for example. So we really don't want to see the deferred wakeirqs triggering after the device has resumed. Let's fix the issue by setting IRQ_DISABLE_UNLAZY flag for the dedicated wakeirqs. The other option would be to implement irq_disable() in the dedicated wakeirq controller, but that's not a generic solution. For reference below is what happens with a IRQ_TYPE_EDGE_BOTH IRQ type wakeirq: - resume by dedicated IRQ (EDGE_FALLING) - suspend_enter() .... - arch_suspend_enable_irqs() |- dedicated IRQ armed and fired |- irq_pm_check_wakeup() |- disarm, disable IRQ and mark as IRQS_PENDING .... - dpm_resume_noirq() |- resume_device_irqs() |- __enable_irq() |- check_irq_resend() |- handle_threaded_wake_irq() |- dedicated IRQ processed |- device_wakeup_disarm_wake_irqs() |- disable_irq_wake() .... !-> dedicated IRQ (EDGE_RISING) -| handle_edge_irq() |- IRQ disabled: mask_ack_irq and mark as IRQS_PENDING .... - subsequent suspend .... |- dpm_suspend_noirq() |- device_wakeup_arm_wake_irqs() |- __enable_irq() |- check_irq_resend() (a) |- handle_threaded_wake_irq() |- pm_wakeup_event() --> abort suspend .... |- suspend_device_irqs() |- suspend_device_irq() |- dedicated IRQ armed .... (b) |- resend_irqs |- irq_pm_check_wakeup() |- IRQ armed -> abort suspend because of pending IRQ System suspend can be aborted at points (a)-not armed or (b)-armed. Fixes: 4990d4fe327b (PM / Wakeirq: Add automated device wake IRQ handling) Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> [ tony@atomide.com: added a comment, updated the description ] Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-13PM / wakeirq: Enable dedicated wakeirq for suspendGrygorii Strashko
We currently rely on runtime PM to enable dedicated wakeirq for suspend. This assumption fails in the following two cases: 1. If the consumer driver does not have runtime PM implemented, the dedicated wakeirq never gets enabled for suspend 2. If the consumer driver has runtime PM implemented, but does not idle in suspend Let's fix the issue by always enabling the dedicated wakeirq during suspend. Depends-on: bed570307ed7 (PM / wakeirq: Fix dedicated wakeirq for drivers not using autosuspend) Fixes: 4990d4fe327b (PM / Wakeirq: Add automated device wake IRQ handling) Reported-by: Keerthy <j-keerthy@ti.com> Tested-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> [ tony@atomide.com: updated based on bed570307ed7, added description ] Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-13drm/amdgpu: Initialize pipe priority order on graphic initializationozeng
Initialized PIPE_ORDER_TS0/1/2/3 field of SPI_ARB_PRIORITY register to 2. This set the pipe priority order to: 02 - HP3D, CS_H, GFX, CS_M, CS_L Signed-off-by: Oak Zeng <Oak.Zeng@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-02-13xen/privcmd: return -ENOTTY for unimplemented IOCTLsPaul Durrant
The code sets the default return code to -ENOSYS but then overrides this to -EINVAL in the switch() statement's default case, which is clearly silly. This patch removes the override and sets the default return code to -ENOTTY, which is the conventional return for an unimplemented ioctl. Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2017-02-13spi: s3c64xx: fix inconsistency between binding and driverAndi Shyti
Commit a92e7c3d82a1 ("spi: s3c64xx: consider the case when the CS line is not connected") introduced an inconsistency between the binding, where the disconnected CS line was marked as 'no-cs-readback', and the driver. The driver is erroneously checking for that attribute with property name of 'broken-cs'. Check for 'no-cs-readback' in the driver as well. Fixes: a92e7c3d82a1 ("spi: s3c64xx: consider the case when the CS line is not connected") Signed-off-by: Andi Shyti <andi.shyti@samsung.com> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
2017-02-13regulator: tps65086: Fix DT node referencing in of_parse_cbAndrew F. Davis
When we check for additional DT properties in the current node we use the device_node passed in with the configuration data, this will not point to the correct DT node, use the one passed in for this purpose. Fixes: d2a2e729a666 ("regulator: tps65086: Add regulator driver for the TPS65086 PMIC") Reported-by: Steven Kipisz <s-kipisz2@ti.com> Signed-off-by: Andrew F. Davis <afd@ti.com> Tested-by: Steven Kipisz <s-kipisz2@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-02-13regulator: tps65086: Fix expected switch DT node namesAndrew F. Davis
The three load switches are called SWA1, SWB1, and SWB2. The node names describing properties for these are expected to be the same, but due to a typo they are not. Fix this here. Fixes: d2a2e729a666 ("regulator: tps65086: Add regulator driver for the TPS65086 PMIC") Reported-by: Steven Kipisz <s-kipisz2@ti.com> Signed-off-by: Andrew F. Davis <afd@ti.com> Tested-by: Steven Kipisz <s-kipisz2@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-02-13drm/amdgpu: read hw register to check pg status.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>
2017-02-13drm/amdgpu: Add to initialization of mmVCE_VCPU_CNTL registerAlan Harrison
Add a bit needed during initialization into the driver, where it is supposed to be. Currently, this is happening in the VCE firmware, and although functional, this is the correct place to perform this initialization. Reviewed-by: Leo Liu <leo.liu@amd.com> Signed-off-by: Alan Harrison <Alan.Harrison@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-02-13net:ethernet:aquantia: Add 2500/5000 mbit link modes support.Pavel Belous
Using new link mode indices instead deprecated SUPPORTED_/ADVERTISED_ macro. Added indication for 2500 and 5000mbit link modes (AQtion adapter already supports these speeds). Signed-off-by: Pavel Belous <pavel.belous@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-13md/raid5-cache: exclude reclaiming stripes in reclaim checkShaohua Li
stripes which are being reclaimed are still accounted into cached stripes. The reclaim takes time. r5c_do_reclaim isn't aware of the stripes and does unnecessary stripe reclaim. In practice, I saw one stripe is reclaimed one time. This will cause bad IO pattern. Fixing this by excluding the reclaing stripes in the check. Cc: Song Liu <songliubraving@fb.com> Signed-off-by: Shaohua Li <shli@fb.com>
2017-02-13md/raid5-cache: stripe reclaim only counts valid stripesShaohua Li
When log space is tight, we try to reclaim stripes from log head. There are stripes which can't be reclaimed right now if some conditions are met. We skip such stripes but accidentally count them, which might cause no stripes are claimed. Fixing this by only counting valid stripes. Cc: Song Liu <songliubraving@fb.com> Signed-off-by: Shaohua Li <shli@fb.com>
2017-02-13md: ensure md devices are freed before module is unloaded.NeilBrown
Commit: cbd199837750 ("md: Fix unfortunate interaction with evms") change mddev_put() so that it would not destroy an md device while ->ctime was non-zero. Unfortunately, we didn't make sure to clear ->ctime when unloading the module, so it is possible for an md device to remain after module unload. An attempt to open such a device will trigger an invalid memory reference in: get_gendisk -> kobj_lookup -> exact_lock -> get_disk when tring to access disk->fops, which was in the module that has been removed. So ensure we clear ->ctime in md_exit(), and explain how that is useful, as it isn't immediately obvious when looking at the code. Fixes: cbd199837750 ("md: Fix unfortunate interaction with evms") Tested-by: Guoqing Jiang <gqjiang@suse.com> Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: Shaohua Li <shli@fb.com>
2017-02-13md/r5cache: improve journal device efficiencySong Liu
It is important to be able to flush all stripes in raid5-cache. Therefore, we need reserve some space on the journal device for these flushes. If flush operation includes pending writes to the stripe, we need to reserve (conf->raid_disk + 1) pages per stripe for the flush out. This reduces the efficiency of journal space. If we exclude these pending writes from flush operation, we only need (conf->max_degraded + 1) pages per stripe. With this patch, when log space is critical (R5C_LOG_CRITICAL=1), pending writes will be excluded from stripe flush out. Therefore, we can reduce reserved space for flush out and thus improve journal device efficiency. Signed-off-by: Song Liu <songliubraving@fb.com> Signed-off-by: Shaohua Li <shli@fb.com>