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2014-06-02drm/exynos: check for null pointers in error handlingPaul Taysom
Smatch error from arm build: drivers/gpu/drm/exynos/ exynos_hdmi.c:2374 hdmi_probe() error: potential NULL dereference 'hdata->hdmiphy_port'. Added check for hdata->hdmiphy_port that it is not NULL. Signed-off-by: Paul Taysom <taysom@chromium.org> Signed-off-by: Rahul Sharma <Rahul.Sharma@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: Debounce HDMI hotplug interruptsSean Paul
This patch debounces hotplug interrupts generated by the HDMI hotplug gpio. The reason this is needed is that we get multiple (5) interrupts every time a monitor is inserted which causes us to needlessly enable and disable the IP block. Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rahul Sharma <Rahul.Sharma@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: Don't reset hdmiphy on hdmi offSean Paul
This patch removes the hdmiphy reset in hdmi_poweroff. The hdmiphy reset was added to take advantage of exynos clockgating, doing it would gate the entire TV domain. Unfortunately, mixer is included in the TV domain and its vsync interrupts are stopped when TV is gated. Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rahul Sharma <Rahul.Sharma@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: Fix double locks at PM resumeTakashi Iwai
The recent commit [3ea87855: drm/helper: lock all around force mode restore] introduced drm_modeset_lock_all() in drm_helper_resume_force_mode() itself, while exynos driver takes this lock before calling it. Move the function call outside the lock for avoiding a deadlock. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: dp: Use DPCD defines of drm_dp_helper.hJingoo Han
Use DPCD defines of drm_dp_helper.h; thus, duplicated DPCD defines of exynos_dp_core.h can be removed. Also, DP_TEST_EDID_CHECKSUM define is added to drm_dp_helper.h. There is no functional change. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: update phy settings for RB resolutionsShirish S
This patch updates phy settings of the below mentioned pixel clocks in Exynos5250 and removes support for 88.75MHz, for it is not supported. 71 MHz - 1280x800@60Hz RB 73.25 MHz - 800x600@120Hz RB 115.5 MHz - 1024x768@120Hz RB 119 MHz - 1680x1050@60Hz RB Signed-off-by: Shirish S <s.shirish@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: dp: support hotplug detection via GPIOAndrew Bresticker
Certain bridge chips use a GPIO to indicate the cable status instead of the I_DP_HPD pin. This adds an optional device-tree property, "samsung,hpd-gpio", to the exynos-dp controller which indicates that the specified GPIO should be used for hotplug detection. The GPIO is then set up as an edge-triggered interrupt where the rising edge indicates hotplug-in and the falling edge indicates hotplug-out. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com> Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Acked-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: dsi: remove unnecessary pm interfacesInki Dae
Exynos drm driver is a single driver so pm operation for kms drivers should be done by connector->dpms at top level driver. If kms driver has its own pm interfaces, single driver model would be broken so this patch removes unnecessary pm interfaces from dsi driver. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2014-06-02drm/exynos: remove unnecessary runtime pm interfacesInki Dae
Exyno drm driver has no real hardware device, and runtime pm operation should be done by sub drivers. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2014-06-02drm/exynos: separate dpi from fimdAndrzej Hajda
The patch separates dpi related routines from fimd. Changelog v2: - Rename ctx->dpi to ctx->display Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: fix comment to exynos_drm_device_subdrv_prove callInki Dae
subdrv_probe callback of virtual display driver will be called by exynos_drm_device_subdrv_probe() to create crtc and encoder/connector for virtual display driver. So it fixes comments to exynos_drm_device_subdrv probe call. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2014-06-02drm/exynos: dpi: fix hotplug fail issueInki Dae
When connector is created, if connector->polled is DRM_CONNECTOR_POLL_CONNECT then drm_kms_helper_hotplug_event function isn't called at drm_helper_hpd_irq_event because the function will be called only in case of DRM_CONNECTOR_POLL_HPD. So this patch sets always DRM_CONNECTOR_POLL_HPD flag to connector->polled of parallel panel driver at connector creation. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2014-06-02drm/exynos: add component framework supportInki Dae
This patch adds component framework support to resolve the probe order issue. Until now, exynos drm had used codes specific to exynos drm to resolve that issue so with this patch, the specific codes are removed. Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: modify goto labels to meaningful namesInki Dae
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: fimd: clear channel before enabling iommuAkshu Agrawal
If any fimd channel was already active, initializing iommu will result in a PAGE FAULT (e.e. u-boot could have turned on the display and not disabled it before the kernel starts). This patch checks if any channel is active before initializing iommu and disables it. Signed-off-by: Akshu Agrawal <akshu.a@samsung.com> Signed-off-by: Prathyush K <prathyush.k@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: rotator: add missing bracesJingoo Han
In the case of that only one branch of a conditional statement is a single statement, braces are added to both branches. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: dp: remove unnecessary OOM messagesJingoo Han
The site-specific OOM messages are unnecessary, because they duplicate the MM subsystem generic OOM message. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: hdmi: make local symbols staticJingoo Han
Make local symbols static, because these are used only in this file. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: fb: make local symbol staticJingoo Han
Make local symbole static, because this is used only in this file. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos: remove DRIVER_HAVE_IRQ featureJoonyoung Shim
Exynos drm driver cannot support DRIVER_HAVE_IRQ feature because it uses driver specific one instead of routine of drm framework to install/uninstall irq handler. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos/fbdev: don't set mode_config.fb_baseDaniel Kurtz
AFAICT, the fb_base of a drm_device's mode_config is never used. It isn't accessed by core drm, it isn't used by fbmem, and it isn't exposed to user space. Furthermore, it is probably supposed to be a physical address, not the dma address mapped to the display controller, so this is just wrong. Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-02drm/exynos/fbdev: don't set fix.smem/mmio_{start,len}Daniel Kurtz
Kernel access to the eyxnos fbdev framebuffer is via its gem object's kernel mapping (kvaddr, stored in info->screen_base). User space access is provided by mmap(), read() and write() of /dev/fb/fb0. These functions also only use screen_base/screen_size(). Therefore, it is not necessary to set fix->smem_{start,len} or fix->mmio_{start,len} fields. This avoids leaking kernel, physical and dma mapped addresses to user space via the ioctls FBIOGET_VSCREENINFO and FBIOGET_FSCREENINFO. Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-06-01dmaengine: s3c24xx-dma: Add cyclic transfer supportVasily Khoruzhick
Many audio interface drivers require support of cyclic transfers to work correctly, for example Samsung ASoC DMA driver. This patch adds support for cyclic transfers to the s3c24xx-dma driver Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-06-01dmaengine: s3c24xx-dma: Process whole SG chainVasily Khoruzhick
Due to redundant 'break' in loop driver processed only first chunk. Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-06-01dmaengine: imx: correct sdmac->status for cyclic dma txJiada Wang
In cyclic dma tx's handler sdma_handle_channel_loop(), SDMA channel statue is set to either DMA_ERROR or DMA_IN_PROGRESS based on each period's status. This has the following issues: 1) If one period's status is BD_RROR, then channel status will be set to DMA_ERROR, but it will be overwritten to DMA_IN_PROGRESS if the following periods are OK. 2) DMA client may call sdma_control(DMA_TERMINATE_ALL) to stop the cyclic dma operation, sdma channel status will be set to DMA_ERROR, but if after this handler is called, then again the channel status will be overwritten to DMA_IN_PROGRESS. Then the following dmaengine_prep_dma_cyclic() will always fail, as channel status is DMA_IN_PROGRESS. As in cyclic dma tx, channel status will be initially set to DMA_IN_PROGRESS, driver only needs to change it to DMA_ERROR, when something wrong happens (one period status is wrong, or stoped by client explicitly). Signed-off-by: Jiada Wang <jiada_wang@mentor.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-06-01regulator: axp20x: Use regulator_map_voltage_ascend for LDO4Axel Lin
The voltages in axp20x_ldo4_data table are in ascendant order, so use regulator_map_voltage_ascend. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-01regulator: use of_property_read_{bool|u32}()Sergei Shtylyov
Use more compact of_property_read_{bool|u32}() calls instead of the of_{find|get}_property() calls in of_get_regulation_constraints() where possible (note that of_property_read_{bool|u32}() were already used to read some properties). Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-01spi/pxa2xx: fix runtime PM enabling orderAntonio Ospite
In commit 7dd62787334ac6e0e2a0ef3f20bb1936ac431b04 (spi/pxa2xx: Convert to core runtime PM) master->auto_runtime_pm was set to true. In this case pm_runtime_enable() must be called *before* spi_register_master(), otherwise the kernel hangs with this error message: spi_master spi0: Failed to power device: -13 A similar fix, but for spi/hspi, was applied in 268d76430d1b68c340687357ffd18b4b12d02269. Signed-off-by: Antonio Ospite <ao2@ao2.it> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-01ACPI: Fix x86 regression related to early mapping size limitationLv Zheng
The following warning message is triggered: WARNING: CPU: 0 PID: 0 at mm/early_ioremap.c:136 __early_ioremap+0x11f/0x1f2() Modules linked in: CPU: 0 PID: 0 Comm: swapper Not tainted 3.15.0-rc1-00017-g86dfc6f3-dirty #298 Hardware name: Intel Corporation S2600CP/S2600CP, BIOS SE5C600.86B.99.99.x036.091920111209 09/19/2011 0000000000000009 ffffffff81b75c40 ffffffff817c627b 0000000000000000 ffffffff81b75c78 ffffffff81067b5d 000000000000007b 8000000000000563 00000000b96b20dc 0000000000000001 ffffffffff300e0c ffffffff81b75c88 Call Trace: [<ffffffff817c627b>] dump_stack+0x45/0x56 [<ffffffff81067b5d>] warn_slowpath_common+0x7d/0xa0 [<ffffffff81067c3a>] warn_slowpath_null+0x1a/0x20 [<ffffffff81d4b9d5>] __early_ioremap+0x11f/0x1f2 [<ffffffff81d4bc5b>] early_ioremap+0x13/0x15 [<ffffffff81d2b8f3>] __acpi_map_table+0x13/0x18 [<ffffffff817b8d1a>] acpi_os_map_memory+0x26/0x14e [<ffffffff813ff018>] acpi_tb_acquire_table+0x42/0x70 [<ffffffff813ff086>] acpi_tb_validate_table+0x27/0x37 [<ffffffff813ff0e5>] acpi_tb_verify_table+0x22/0xd8 [<ffffffff813ff6a8>] acpi_tb_install_non_fixed_table+0x60/0x1c9 [<ffffffff81d61024>] acpi_tb_parse_root_table+0x218/0x26a [<ffffffff81d1b120>] ? early_idt_handlers+0x120/0x120 [<ffffffff81d610cd>] acpi_initialize_tables+0x57/0x59 [<ffffffff81d5f25d>] acpi_table_init+0x1b/0x99 [<ffffffff81d2bca0>] acpi_boot_table_init+0x1e/0x85 [<ffffffff81d23043>] setup_arch+0x99d/0xcc6 [<ffffffff81d1b120>] ? early_idt_handlers+0x120/0x120 [<ffffffff81d1bbbe>] start_kernel+0x8b/0x415 [<ffffffff81d1b120>] ? early_idt_handlers+0x120/0x120 [<ffffffff81d1b5ee>] x86_64_start_reservations+0x2a/0x2c [<ffffffff81d1b72e>] x86_64_start_kernel+0x13e/0x14d ---[ end trace 11ae599a1898f4e7 ]--- when installing the following table during early stage: ACPI: SSDT 0x00000000B9638018 07A0C4 (v02 INTEL S2600CP 00004000 INTL 20100331) The regression is caused by the size limitation of the x86 early IO mapping. The root cause is: 1. ACPICA doesn't split IO memory mapping and table mapping; 2. Linux x86 OSL implements acpi_os_map_memory() using a size limited fix-map mechanism during early boot stage, which is more suitable for only IO mappings. This patch fixes this issue by utilizing acpi_gbl_verify_table_checksum to disable the table mapping during early stage and enabling it again for the late stage. In this way, the normal code path is not affected. Then after the code related to the root cause is cleaned up, the early checksum verification can be easily re-enabled. A new boot parameter - acpi_force_table_verification is introduced for the platforms that require the checksum verification to stop loading bad tables. This fix also covers the checksum verification for the table overrides. Now large tables can also be overridden using the initrd override mechanism. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Reported-and-tested-by: Yuanhan Liu <yuanhan.liu@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-06-01ACPICA: Tables: Add mechanism to control early table checksum verification.Lv Zheng
It is reported that Linux x86 kernel cannot map large tables. The following large SSDT table on such platform fails to pass checksum verification and cannot be installed: ACPI: SSDT 0x00000000B9638018 07A0C4 (v02 INTEL S2600CP 00004000 INTL 20100331) It sounds strange that in the 64-bit virtual memory address space, we cannot map a single ACPI table to do checksum verification. The root cause is: 1. ACPICA doesn't split IO memory mapping and table mapping; 2. Linux x86 OSL implements acpi_os_map_memory() using a size limited fix-map mechanism during early boot stage, which is more suitable for only IO mappings. ACPICA originally only mapped table header for signature validation, and this header mapping is required by OSL override mechanism. There was no checksum verification because we could not map the whole table using this OSL. While the following ACPICA commit enforces checksum verification by mapping the whole table during Linux boot stage and it finally triggers this issue on some platforms: Commit: 86dfc6f339886559d80ee0d4bd20fe5ee90450f0 Subject: ACPICA: Tables: Fix table checksums verification before installation. Before doing further cleanups for the OSL table mapping and override implementation, this patch introduces an option for such OSPMs to temporarily discard the checksum verification feature. It then can be re-enabled easily when the ACPICA and the underlying OSL is ready. This patch also deletes a comment around the limitation of mappings because it is not correct. The limitation is not how many times we can map in the early stage, but the OSL mapping facility may not be suitable for mapping the ACPI tables and thus may complain us the size limitation. The acpi_tb_verify_table() is renamed to acpi_tb_verify_temp_table() due to the work around added, it now only applies to the table descriptor that hasn't been installed and cannot be used in other cases. Lv Zheng. Tested-by: Yuanhan Liu <yuanhan.liu@linux.intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-05-31staging: lustre: fix integer as NULL pointer warningsAlexandr Terekhov
Fix several sparse warnings "Using plain integer as NULL pointer" Signed-off-by: Alexandr Terekhov <a.terekhov@gmail.com> drivers/staging/lustre/lustre/ldlm/ldlm_resource.c | 4 ++-- drivers/staging/lustre/lustre/obdclass/obd_mount.c | 4 ++-- drivers/staging/lustre/lustre/obdecho/lproc_echo.c | 4 ++-- drivers/staging/lustre/lustre/osc/osc_dev.c | 2 +- drivers/staging/lustre/lustre/ptlrpc/import.c | 2 +- 5 files changed, 8 insertions(+), 8 deletions(-) Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-31Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm fixes from Dave Airlie: "Mostly quiet now: i915: fixing userspace visiblie issues, all stable marked radeon: one more pll fix, two crashers, one suspend/resume regression" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon: Resume fbcon last drm/radeon: only allocate necessary size for vm bo list drm/radeon: don't allow RADEON_GEM_DOMAIN_CPU for command submission drm/radeon: avoid crash if VM command submission isn't available drm/radeon: lower the ref * post PLL maximum once more drm/i915: Prevent negative relocation deltas from wrapping drm/i915: Only copy back the modified fields to userspace from execbuffer drm/i915: Fix dynamic allocation of physical handles
2014-05-30Merge tag 'samsung-drivers-2' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers Merge "Samsung 2nd drivers for 3.16" from Kukjin Kim: This is including fix exynos cpufreq driver compilation with ARCH_MULTIPLATFORM. Even though this is a work around, this is required for support exynos multiplatform for a while and will be updated in near future. This is based on tags/samsung-exynos. * tag 'samsung-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (24 commits) cpufreq: exynos: Fix driver compilation with ARCH_MULTIPLATFORM ARM: EXYNOS: Enable multi-platform build support ARM: EXYNOS: Consolidate Kconfig entries ARM: EXYNOS: Add support for EXYNOS5410 SoC ARM: EXYNOS: Support secondary CPU boot of Exynos3250 ARM: EXYNOS: Add Exynos3250 SoC ID ARM: EXYNOS: Add 5800 SoC support ARM: EXYNOS: initial board support for exynos5260 SoC clk: exynos5250: Add missing sysmmu clocks for DISP and ISP blocks cpufreq: exynos: Fix the compile error ARM: S3C24XX: move debug-macro.S into the common space ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro ARM: S3C24XX: trim down debug uart handling ARM: compressed/head.S: remove s3c24xx special case ARM: EXYNOS: Remove unnecessary inclusion of cpu.h ARM: EXYNOS: Migrate Exynos specific macros from plat to mach ARM: EXYNOS: Remove exynos_subsys registration ARM: EXYNOS: Remove duplicate lines in Makefile ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling ARM: dts: Remove g2d_pd node for exynos5420 ... Signed-off-by: Olof Johansson <olof@lixom.net>
2014-05-30Merge tag 'samsung-exynos' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc Samsung Exynos updates for 3.16 - add new SoCs support : exynos3250, 5260, 5410 and 5800 - enable multi-platform on exynos : consolidate exynos related Kconfig entries * tag 'samsung-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (22 commits) ARM: EXYNOS: Enable multi-platform build support ARM: EXYNOS: Consolidate Kconfig entries ARM: EXYNOS: Add support for EXYNOS5410 SoC ARM: EXYNOS: Support secondary CPU boot of Exynos3250 ARM: EXYNOS: Add Exynos3250 SoC ID ARM: EXYNOS: Add 5800 SoC support ARM: EXYNOS: initial board support for exynos5260 SoC cpufreq: exynos: Fix the compile error ARM: S3C24XX: move debug-macro.S into the common space ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro ARM: S3C24XX: trim down debug uart handling ARM: compressed/head.S: remove s3c24xx special case ARM: EXYNOS: Remove unnecessary inclusion of cpu.h ARM: EXYNOS: Migrate Exynos specific macros from plat to mach ARM: EXYNOS: Remove exynos_subsys registration ARM: EXYNOS: Remove duplicate lines in Makefile ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling ARM: dts: Remove g2d_pd node for exynos5420 ARM: dts: Remove mau_pd node for exynos5420 ARM: exynos_defconfig: enable HS-I2C to fix for mmc partition mount ... Signed-off-by: Olof Johansson <olof@lixom.net>
2014-05-30Merge tag 'samsung-clk-3' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc Merge "Samsung 3rd clock updates for 3.16" from Kukjin Kim: - add clock for new exynos5410 SoC * tag 'samsung-clk-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: clk: exynos5410: register clocks using common clock framework Signed-off-by: Olof Johansson <olof@lixom.net>
2014-05-30Merge tag 'qcom-drivers-for-3.16-2' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/drivers Merge "Qualcomm ARM Based driver Updates for v3.16-2" from Kumar Gala: * Updated MSM uart driver to not access GSBI control registers * tag 'qcom-drivers-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom: tty: serial: msm: Remove direct access to GSBI Signed-off-by: Olof Johansson <olof@lixom.net>
2014-05-30Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates This series contains updates to i40e and i40evf. Kevin updates the i40e and i40evf driver i40e_check_asq_alive() to ensure the length register offset is non-zero which indicates that the software has initialized the admin queue. Also removes PCTYPE definitions which are now reserved. Mitch enables descriptor prefetch for rings belonging to the virtual function. Also configures the VF minimum transmit rate to 50 Mbps rather than 0 which was be interpreted as no limit at all. Mitch found in order for the VF to achieve its programmed transmit rate, we need to set the max credit value to 4. Lastly fixes a Tx hang and firmware crash that happens after setting the MTU on a VF by not using the RESETTING state during reinit, this is because the RESETTING state means that a catastrophic hardware bad thing is happening and the driver needs to tiptoe around and not use the admin queue or registers. A reinit is no big deal and we can use the admin queue (and we should) so do not set the state to RESETTING during reinit to resolve the bug. Akeem changes the declaration of the transmit and receive rings inside several loops to eliminate declaring the same ring every time for the duration of the loop and declares them just once before the loop. Also fixes the driver to clear the recovery pending bit if pf_reset fails instead of falling through the setup process. Anjali makes a change based on feedback from Ben Hutchings that cmd->data needs to be reported in ETHTOOL_GRXCLSRLCNT and use a helper function to calculate the total filter count. Jesse removes storm control since the storm control features are not apart of the hardware and were mistakenly left in the code. Greg changes tx_lpi_status and rx_lpi_status from bool to u32 to avoid sparse errors. Shannon adds the clear_pxe AdminQ API call to tell the firmware that the driver is taking over from PXE. In addition, relaxes the firmware API check to allow more flexibility in handling newer NICs and NVMs in the field. Vasu ensures that FCoE is disabled for MFP modes since it is not supported by overriding the hardware FCoE capability. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30s390/net: fix format string mismatchesUrsula Braun
cppcheck blamed some issues in drivers/s390/net/... They are fixed here. Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com> Reported-by: Toralf Foerster <toralf.foerster@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30qeth: Fix for possible null pointer dereferenceRickard Strandqvist
There is otherwise a risk of a possible null pointer dereference. Was largely found by using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30Merge tag 'linux-can-fixes-for-3.15-20140528' of ↵David S. Miller
git://gitorious.org/linux-can/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2014-05-28 here's a pull request for v3.15, hope it's not too late. Oliver Hartkopp fixed a bug in the CAN led trigger device renaming code. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30be2net: cleanup MCC async event processing codeSathya Perla
The MCC async event processing code has 2 issues: a) because of long struct names the code indentation is badly broken b) description and definitions of how an MCC completion is interpreted as an async event are confusing (for e.g. the last word of an MCC event is named "code", while "code" is just a sub-field of the last word.) This patch fixes the structure definitions, comments and re-factors code as needed. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30be2net: move async cmd processing to a separate routineSathya Perla
For some FW cmds, the caller just issues the cmd and doesn't wait for a response. The response handling is done in the MCCQ compl processing context only. Move this code into a separate routine to make be_mcc_compl_process() more manageable. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30be2net: re-factor MCCQ error status handling codeKalesh AP
This patch improves MCCQ error status handling in the following ways: a) A MCC cmd completion returns a base-status and an addl-status. So far, the routine be_mcc_compl_process() returned only the "status" value. Now, embedd both statuses in the return value and let the caller routine access the value of interest using base_status() and addl_status() macros. b) Rename variables accordingly (base/addl) to avoid confusion while error checking. b) Some of the errors returned by FW are harmless and so an error msg is not logged for such errors. Capture this logic in a separate routine to make the code more readable. Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30be2net: support flashing new regions on Skyhawk-RVasundhara Volam
Certain new flash regions have been added to Skyhawk-R FW image. The newer FW images specify op_types for each region. A region is flashed only when it's CRC doesn't match that of the region on the HW flash. While upgrading to a new FW image the driver is expected to tolerate certain errors. This patch re-factors code under be_flash() to support the above scheme. Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30be2net: fixup TX-rate setting code for Skyhawk-RRavikumar Nelavelli
Skyhawk-R FW supports TX-rate setting only as a % value of the link speed, set via the SET_PROFILE_CONFIG cmd. This patch makes the necessary changes to the FW cmd descriptors to support the above change and also introduces checks in be_set_vf_tx_rate() to allow only discrete values (that map to % of the link-speed). Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30be2net: skip multicast promiscuos setting in already setKalesh AP
Set mc-promisc (multicast promiscuous) mode on an interface, only if it is *not already* in that mode. Also removed logs that report interface being set to multicast promiscous mode. In an earlier comment on the netdev list such log messages were deemed unnecessary as this behaviour is common across most of the ethernet drivers. Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next John W. Linville says: ==================== Please pull this batch of updates intended for 3.16... For the mac80211 bits, Johannes says: "Here I just have Heikki's rfkill GPIO cleanups. The ARM/tegra patch is OK with the maintainer (Stephen). Let me know of any problems." and; "We have a whole bunch of work on CSA by Andrei, Luca and Michal, but unfortunately it doesn't seem quite complete yet so it's still disabled. There's some TDLS work from Arik, and the rest is mostly minor fixes and cleanups." For the NFC bits, Samuel says: "This is the NFC pull request for 3.16. We have: - STMicroeectronics st21nfca support. The st21nfca is an HCI chipset and thus relies on the HCI stack. This submission provides support for tag redaer/writer mode (including Type 5) and device tree bindings. - PM runtime support and a bunch of bug fixes for TI's trf7970a. - Device tree support for NXP's pn544. Legacy platform data support is obviously kept intact. - NFC Tag type 4B support to the NFC Digital stack. - SOCK_RAW type support to the raw NFC socket, and allow NCI sniffing from that. This can be extended to report HCI frames and also proprietarry ones like e.g. the pn533 ones." For the iwlwifi bits, Emmanuel says: "Eran continues to work on new devices, Eyal is still digging in the rate control stuff, and Johannes added new functionality to the debug system we have in place now along with a few cleanups he made on the way. That's pretty much it." and; "Avri continues to work on the power code and Eran is improving the NVM handling as a preparations for new devices on which he works with Liad. Luca cleans up a bit the code while working on CSA. I have the regular BT Coex stuff and a small lockdep fix. Johannes has his regular amount of clean ups and improvements, the main one is the ability to leave 2 chains open to improve diversity and hence the throughput in high attenuation scenarios." and; "The regular amount of housekeeping here. I merged iwlwifi-fixes.git to be able to add the patch you didn't want in wireless.git at that stage of the -rc cycle. Luca has a few preparations for CSA implementation and also what seems to be a bugfix for P2P but hasn't caused issues we could notice." For the Atheros bits, Kalle says: "For ath10k Michal did various small fixes on how we handle hardware/firmware problems and he also fixed two memory leaks." Also included are a couple of pulls from the wireless tree to avoid/resolve merge issues... ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30clk: versatile: free icst on error returnColin Ian King
commit a183da63 introduced a new error return path that does not kfree icst if the kmemdup of desc->params fails. Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-05-30net: tile: Remove unnecessary memset of netdev private dataTobias Klauser
The memory for private data is allocated using kzalloc/vzalloc in alloc_netdev_mqs, thus there is no need to zero it again in the driver. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-30net: tile: Use helpers from linux/etherdevice.h to check/set MACTobias Klauser
Use is_zero_ether_addr() to check for the MAC address being all zeros instead of open coding the check. Also use ether_addr_copy() instead of a manual memcpy() to set the netdev->dev_addr. Furthermore, get rid of a redundant assignment of netdev->addr_len. This is already set by ether_setup() which is called in tile_net_setup(). Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: David S. Miller <davem@davemloft.net>