- 17 May, 2018 5 commits
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Laurent Pinchart authored
To make vsp1_subdev_set_pad_format() usable by entities that support selection rectangles, we need to reset the crop and compose rectangles when setting the format on the sink pad. Do so and replace the custom set_fmt implementation of the histogram code by a call to vsp1_subdev_set_pad_format(). Resetting the crop and compose rectangles for entities that don't support crop and compose has no adverse effect as the rectangles are ignored anyway. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Laurent Pinchart authored
The implementation of the set_fmt pad operation is identical in the three modules. Move it to a generic helper function. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Laurent Pinchart authored
Adopt the SPDX license identifier headers to ease license compliance management. All files in the driver are licensed under the GPLv2+ except for the vsp1_regs.h file which is licensed under the GPLv2. This is likely an oversight, but fixing this requires contacting the copyright owners and is out of scope for this patch. While at it fix the file descriptions to match file names where copy and paste error occurred. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Maxime Ripard authored
The Cadence MIPI-CSI2 TX controller is an hardware block meant to be used as a bridge between pixel interfaces and a CSI-2 bus. It supports operating with an internal or external D-PHY, with up to 4 lanes, or without any D-PHY. The current code only supports the latter case. While the virtual channel input on the pixel interface can be directly mapped to CSI2, the datatype input is actually a selection signal (3-bits) mapping to a table of up to 8 preconfigured datatypes/formats (programmed at start-up) The block supports up to 8 input datatypes. Acked-by: Benoit Parrot <bparrot@ti.com> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Sakari Ailus authored
The clocks enabled by csi2rx_start function are intended to be disabled in an error path but there are two issues: 1) the loop condition is always true and 2) the first clock disabled is the the one enabling of which failed. Fix these two bugs by changing the loop condition as well as only disabling the clocks that were actually enabled. Reported-by: Mauro Chehab <mchehab@kernel.org> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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- 16 May, 2018 17 commits
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Maxime Ripard authored
The Cadence MIPI-CSI2 TX controller is a CSI2 bridge that supports up to 4 video streams and can output on up to 4 CSI-2 lanes, depending on the hardware implementation. It can operate with an external D-PHY, an internal one or no D-PHY at all in some configurations. Acked-by: Benoit Parrot <bparrot@ti.com> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Maxime Ripard authored
The Cadence CSI-2 RX Controller is an hardware block meant to be used as a bridge between a CSI-2 bus and pixel grabbers. It supports operating with internal or external D-PHY, with up to 4 lanes, or without any D-PHY. The current code only supports the latter case. It also support dynamic mapping of the CSI-2 virtual channels to the associated pixel grabbers, but that isn't allowed at the moment either. Acked-by: Benoit Parrot <bparrot@ti.com> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Maxime Ripard authored
The Cadence MIPI-CSI2 RX controller is a CSI2RX bridge that supports up to 4 CSI-2 lanes, and can route the frames to up to 4 streams, depending on the hardware implementation. It can operate with an external D-PHY, an internal one or no D-PHY at all in some configurations. Acked-by: Rob Herring <robh@kernel.org> Acked-by: Benoit Parrot <bparrot@ti.com> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Sakari Ailus authored
The atomisp driver has a long list of todo items and little has been done to address these lately while more has been added. The driver is also not functional. In other words, the driver would not be getting out of staging in the foreseeable future. At the same time it consumes developer resources in order to maintain the flaky code base. Remove it. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Mauro Carvalho Chehab authored
There are lots of data structs defined there but aren't used anywhere. Comment them out. Gets rid of those warnings: drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c:1808:45: warning: 'mt9m114_entity_ops' defined but not used [-Wunused-const-variable=] static const struct media_entity_operations mt9m114_entity_ops = { ^~~~~~~~~~~~~~~~~~ In file included from drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c:35:0: drivers/staging/media/atomisp/i2c/mt9m114.h:805:34: warning: 'mt9m114_iq' defined but not used [-Wunused-const-variable=] static struct misensor_reg const mt9m114_iq[] = { ^~~~~~~~~~ drivers/staging/media/atomisp/i2c/mt9m114.h:797:34: warning: 'mt9m114_antiflicker_60hz' defined but not used [-Wunused-const-variable=] static struct misensor_reg const mt9m114_antiflicker_60hz[] = { ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/mt9m114.h:789:34: warning: 'mt9m114_antiflicker_50hz' defined but not used [-Wunused-const-variable=] static struct misensor_reg const mt9m114_antiflicker_50hz[] = { ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/mt9m114.h:682:34: warning: 'mt9m114_720_480P_init' defined but not used [-Wunused-const-variable=] static struct misensor_reg const mt9m114_720_480P_init[] = { ^~~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/mt9m114.h:533:34: warning: 'mt9m114_960P_init' defined but not used [-Wunused-const-variable=] static struct misensor_reg const mt9m114_960P_init[] = { ^~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/mt9m114.h:518:34: warning: 'mt9m114_wakeup_reg' defined but not used [-Wunused-const-variable=] static struct misensor_reg const mt9m114_wakeup_reg[] = { ^~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/mt9m114.h:504:34: warning: 'mt9m114_streaming' defined but not used [-Wunused-const-variable=] static struct misensor_reg const mt9m114_streaming[] = { ^~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/mt9m114.h:497:34: warning: 'mt9m114_suspend' defined but not used [-Wunused-const-variable=] static struct misensor_reg const mt9m114_suspend[] = { ^~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/mt9m114.h:393:34: warning: 'mt9m114_exitstandby' defined but not used [-Wunused-const-variable=] static struct misensor_reg const mt9m114_exitstandby[] = { ^~~~~~~~~~~~~~~~~~~ Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Mauro Carvalho Chehab authored
It seems that, originally, the logic would allow selecting between fine and coarse integration. However, only coarse seems to be implemented. Get rid of this warning: drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c: In function 'mt9m114_s_exposure': drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c:1003:6: warning: variable 'exposure_local' set but not used [-Wunused-but-set-variable] u16 exposure_local[3]; ^~~~~~~~~~~~~~ Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Mauro Carvalho Chehab authored
If something wrong gets there, return the error. Get rid of this warning: drivers/staging/media/atomisp/i2c/atomisp-gc0310.c: In function 'gc0310_init': drivers/staging/media/atomisp/i2c/atomisp-gc0310.c:713:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] int ret; ^~~ Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Mauro Carvalho Chehab authored
drivers/staging/media/atomisp/i2c/atomisp-ov2680.c: In function ‘__ov2680_set_exposure’: drivers/staging/media/atomisp/i2c/atomisp-ov2680.c:400:10: warning: variable ‘hts’ set but not used [-Wunused-but-set-variable] u16 vts,hts; ^~~ drivers/staging/media/atomisp/i2c/atomisp-ov2680.c: In function ‘ov2680_detect’: drivers/staging/media/atomisp/i2c/atomisp-ov2680.c:1164:5: warning: variable ‘revision’ set but not used [-Wunused-but-set-variable] u8 revision; ^~~~~~~~ Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Mauro Carvalho Chehab authored
The register settings for several resolutions aren't used currently. So, comment them out. Fix those warnings: In file included from drivers/staging/media/atomisp/i2c/atomisp-gc2235.c:35:0: drivers/staging/media/atomisp/i2c/gc2235.h:340:32: warning: 'gc2235_960_640_30fps' defined but not used [-Wunused-const-variable=] static struct gc2235_reg const gc2235_960_640_30fps[] = { ^~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/gc2235.h:287:32: warning: 'gc2235_1296_736_30fps' defined but not used [-Wunused-const-variable=] static struct gc2235_reg const gc2235_1296_736_30fps[] = { ^~~~~~~~~~~~~~~~~~~~~ In file included from drivers/staging/media/atomisp/i2c/atomisp-ov2722.c:35:0: drivers/staging/media/atomisp/i2c/ov2722.h:999:32: warning: 'ov2722_720p_30fps' defined but not used [-Wunused-const-variable=] static struct ov2722_reg const ov2722_720p_30fps[] = { ^~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2722.h:787:32: warning: 'ov2722_1M3_30fps' defined but not used [-Wunused-const-variable=] static struct ov2722_reg const ov2722_1M3_30fps[] = { ^~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2722.h:476:32: warning: 'ov2722_VGA_30fps' defined but not used [-Wunused-const-variable=] static struct ov2722_reg const ov2722_VGA_30fps[] = { ^~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2722.h:367:32: warning: 'ov2722_480P_30fps' defined but not used [-Wunused-const-variable=] static struct ov2722_reg const ov2722_480P_30fps[] = { ^~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2722.h:257:32: warning: 'ov2722_QVGA_30fps' defined but not used [-Wunused-const-variable=] static struct ov2722_reg const ov2722_QVGA_30fps[] = { ^~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/atomisp-ov2680.c: In function '__ov2680_set_exposure': In file included from drivers/staging/media/atomisp/i2c/atomisp-ov2680.c:35:0: At top level: drivers/staging/media/atomisp/i2c/ov2680.h:736:33: warning: 'ov2680_1616x1082_30fps' defined but not used [-Wunused-const-variable=] static struct ov2680_reg const ov2680_1616x1082_30fps[] = { ^~~~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2680.h:649:33: warning: 'ov2680_1456x1096_30fps' defined but not used [-Wunused-const-variable=] static struct ov2680_reg const ov2680_1456x1096_30fps[]= { ^~~~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2680.h:606:33: warning: 'ov2680_1296x976_30fps' defined but not used [-Wunused-const-variable=] static struct ov2680_reg const ov2680_1296x976_30fps[] = { ^~~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2680.h:563:33: warning: 'ov2680_720p_30fps' defined but not used [-Wunused-const-variable=] static struct ov2680_reg const ov2680_720p_30fps[] = { ^~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2680.h:520:33: warning: 'ov2680_800x600_30fps' defined but not used [-Wunused-const-variable=] static struct ov2680_reg const ov2680_800x600_30fps[] = { ^~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2680.h:475:33: warning: 'ov2680_720x592_30fps' defined but not used [-Wunused-const-variable=] static struct ov2680_reg const ov2680_720x592_30fps[] = { ^~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2680.h:433:33: warning: 'ov2680_656x496_30fps' defined but not used [-Wunused-const-variable=] static struct ov2680_reg const ov2680_656x496_30fps[] = { ^~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2680.h:389:33: warning: 'ov2680_QVGA_30fps' defined but not used [-Wunused-const-variable=] static struct ov2680_reg const ov2680_QVGA_30fps[] = { ^~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2680.h:346:33: warning: 'ov2680_CIF_30fps' defined but not used [-Wunused-const-variable=] static struct ov2680_reg const ov2680_CIF_30fps[] = { ^~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov2680.h:301:33: warning: 'ov2680_QCIF_30fps' defined but not used [-Wunused-const-variable=] static struct ov2680_reg const ov2680_QCIF_30fps[] = { ^~~~~~~~~~~~~~~~~ In file included from drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c:36:0: drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:988:32: warning: 'ov5693_1424x1168_30fps' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_1424x1168_30fps[] = { ^~~~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:954:32: warning: 'ov5693_2592x1944_30fps' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_2592x1944_30fps[] = { ^~~~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:889:32: warning: 'ov5693_2592x1456_30fps' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_2592x1456_30fps[] = { ^~~~~~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:862:32: warning: 'ov5693_1940x1096' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_1940x1096[] = { ^~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:796:32: warning: 'ov5693_1636p_30fps' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_1636p_30fps[] = { ^~~~~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:758:32: warning: 'ov5693_1296x736' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_1296x736[] = { ^~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:730:32: warning: 'ov5693_976x556' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_976x556[] = { ^~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:672:32: warning: 'ov5693_736x496' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_736x496[] = { ^~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:643:32: warning: 'ov5693_192x160' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_192x160[] = { ^~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:616:32: warning: 'ov5693_368x304' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_368x304[] = { ^~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:587:32: warning: 'ov5693_336x256' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_336x256[] = { ^~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:540:32: warning: 'ov5693_1296x976' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_1296x976[] = { ^~~~~~~~~~~~~~~ drivers/staging/media/atomisp/i2c/ov5693/ov5693.h:509:32: warning: 'ov5693_654x496' defined but not used [-Wunused-const-variable=] static struct ov5693_reg const ov5693_654x496[] = { ^~~~~~~~~~~~~~ Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Mauro Carvalho Chehab authored
The code with uses the dummy var is commented out. So, coment out its definition/initialization. Fix this warning: drivers/staging/media/atomisp/i2c/atomisp-gc2235.c: In function 'gc2235_get_intg_factor': drivers/staging/media/atomisp/i2c/atomisp-gc2235.c:249:26: warning: variable 'dummy' set but not used [-Wunused-but-set-variable] u16 reg_val, reg_val_h, dummy; ^~~~~ Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Mauro Carvalho Chehab authored
The identation for several tables there are broken. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Mauro Carvalho Chehab authored
When atomisp got merged, there were so many warnings with W=1 that we simply disabled the ones that were causing troubles. Since then, several changes got applied to atomisp, and the number of warnings are a way smaller than it used to be. So, let's reenable warnings there and fix the issues. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Mauro Carvalho Chehab authored
There's no sense for a Kernel driver to have __KERNEL macros on it. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Shaokun Zhang authored
IA_CSS_ERROR shows the ddr_buffer_addr as a decimal value with a '0x' prefix, which is somewhat misleading. Let's fix it to print hexadecimal, as was intended. Fixes: 158aeefc("[media] atomisp: Add __printf validation and fix fallout") Cc: Alan Cox <alan@linux.intel.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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YueHaibing authored
Remove boilerplate code by using macro module_pci_driver. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Colin Ian King authored
Trivial fix to spelling mistake in ia_css_print message text Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Mauro Carvalho Chehab authored
slot can be controlled by user-space, hence leading to a potential exploitation of the Spectre variant 1 vulnerability, as warned by smatch: drivers/media/dvb-core/dvb_ca_en50221.c:1479 dvb_ca_en50221_io_write() warn: potential spectre issue 'ca->slot_info' (local cap) Acked-by: "Jasmin J." <jasmin@anw.at> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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- 15 May, 2018 1 commit
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Mauro Carvalho Chehab authored
Right now, the Siano's core uses GFP_DMA for both USB and SDIO variants of the driver. There's no reason to use it for USB. So, pass GFP_DMA as a parameter during sms core register. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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- 14 May, 2018 10 commits
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Mauro Carvalho Chehab authored
There's s no reason why it should be using GFP_DMA there. This is an USB driver. Any restriction should be, instead, at HCI core, if any. Cc: "Luis R. Rodriguez" <mcgrof@kernel.org> Cc: linux-mm@kvack.org Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Matthias Reichl authored
The minimum possible timeout of ite-cir is 8 samples, which is typically about 70us. The driver however changes the FIFO trigger level from the hardware's default of 1 byte to 17 bytes, so the minimum usable timeout value is 17 * 8 samples, which is typically about 1.2ms. Tests showed that using timeouts down to 1.2ms actually work fine. The current default timeout of 200ms is much longer than necessary and the maximum timeout of 1s seems to have been chosen a bit arbitrarily. So change the minimum timeout to the driver's limit of 17 * 8 samples and bring timeout and maximum timeout in line with the settings of many other receivers. Signed-off-by: Matthias Reichl <hias@horus.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Sean Young authored
ir_raw_event_set_idle() sends a timeout event which is not needed, and on startup no reset event is needed either. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Sean Young authored
Drivers should never produce consecutive pulse or space raw events. Should that occur, we would have bigger problems than this code is trying to guard against. Note that we already log an error should a driver misbehave. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Sean Young authored
Report an error if this is not the case or any problem with the generated raw events. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Sean Young authored
Any spaces events received after a reset or startup should be discarded, so ensure the rc device is in idle mode. This also makes it much easier to detect incorrect raw events, as we will do in a following commit. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Sean Young authored
This fixes the warning: Documentation/media/uapi/rc/lirc-func.rst:9: WARNING: toctree contains reference to nonexisting document 'media/uapi/rc/lirc-get-rec-timeout' The ioctl is documented in lirc-set-rec-timeout. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Sean Young authored
Fallthrough is not intended here. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Sean Young authored
A mceusb device has been observed producing invalid irdata. Proactively guard against this. Suggested-by: Matthias Reichl <hias@horus.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Sean Young authored
If the IR timeout is set on vid 1784 pid 0011, the device starts behaving strangely. Reported-by: Matthias Reichl <hias@horus.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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- 11 May, 2018 7 commits
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Mauro Carvalho Chehab authored
This is a core media file... it shoudn't have so many coding style issues! The last patch ended by being submitted with an error like that, very likely due to some cut and paste issue. Maybe it is time to clean it up. Do it with the auto fix logic: ./scripts/checkpatch.pl -f drivers/media/dvb-core/dvb_frontend.c --strict --fix-inplace Then manually fix the errors introduced by it. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Max Kellermann authored
During destruction, a race condition in dvb_media_controller_disable_source() can cause a kernel crash, because the "mdev" pointer has been read successfully while another task executes dvb_usb_media_device_unregister(), which destroys the object. Example for such a crash: general protection fault: 0000 [#1] SMP CPU: 1 PID: 301 Comm: vdr Not tainted 4.8.1-nuc+ #102 [142B blob data] task: ffff8802301f2040 task.stack: ffff880233728000 RIP: 0010:[<ffffffff816c296b>] [<ffffffff816c296b>] dvb_frontend_release+0xcb/0x120 RSP: 0018:ffff88023372bdd8 EFLAGS: 00010202 RAX: 001fd55c000000da RBX: ffff880236bad810 RCX: 0000000000000000 RDX: ffff880235bd81f0 RSI: 0000000000000246 RDI: ffff880235bd81e8 RBP: ffff88023372be00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88022f009910 R12: 0000000000000000 R13: ffff880235a21a80 R14: ffff880235bd8000 R15: ffff880235bb8a78 FS: 0000000000000000(0000) GS:ffff88023fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f96edd69818 CR3: 0000000002406000 CR4: 00000000001006e0 Stack: ffff88022f009900 0000000000000008 ffff880235bb8a78 ffff8802344fbb20 ffff880236437b40 ffff88023372be48 ffffffff8117a81e ffff880235bb8a78 ffff88022f009910 ffff8802335a7400 ffff8802301f2040 ffff88022f009900 Call Trace: [<ffffffff8117a81e>] __fput+0xde/0x1d0 [<ffffffff8117a949>] ____fput+0x9/0x10 [<ffffffff810a9fce>] task_work_run+0x7e/0xa0 [<ffffffff81094bab>] do_exit+0x27b/0xa50 [<ffffffff810407e3>] ? __do_page_fault+0x1c3/0x430 [<ffffffff81095402>] do_group_exit+0x42/0xb0 [<ffffffff8109547f>] SyS_exit_group+0xf/0x10 [<ffffffff8108bedb>] entry_SYSCALL_64_fastpath+0x13/0x8f Code: 31 c9 49 8d be e8 01 00 00 ba 01 00 00 00 be 03 00 00 00 e8 68 2d a0 ff 48 8b 83 10 03 00 00 48 8b 80 88 00 00 00 48 85 c0 74 12 <48> 8b 80 88 02 00 00 48 85 c0 74 06 49 8b 7d RIP [<ffffffff816c296b>] dvb_frontend_release+0xcb/0x120 [mchehab+samsung@kernel.org: fix a Coding Style issue] Signed-off-by: Max Kellermann <max.kellermann@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Hans Verkuil authored
Add missing 'inline' to fix this compiler warning: In file included from drivers/media/common/b2c2/flexcop-fe-tuner.c:21:0: drivers/media/dvb-frontends/lgdt330x.h:61:22: warning: 'lgdt330x_attach' defined but not used [-Wunused-function] struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config, ^~~~~~~~~~~~~~~ Signed-off-by: Hans Verkuil <hansverk@cisco.com> Suggested-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Niklas Söderlund authored
When refactoring the Gen3 enablement series crop and compose handling where broken. This went unnoticed but can result in writing out side the capture buffer. Fix this by restoring the crop and compose to reflect the format dimensions as we have not yet enabled the scaler for Gen3. Fixes: 5e7c6236 ("media: rcar-vin: use different v4l2 operations in media controller mode") Reported-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Hans Verkuil <hansverk@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Niklas Söderlund authored
The offending commit was an attempt to fix the issue of writing outside the capture buffer for VIN Gen3. Unfortunately it only fixed the symptom of the problem to such a degree I could no longer reproduce it. Revert the offending commit before a proper fix can be added in a follow-up patch. This reverts commit 015060cb. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Hans Verkuil <hansverk@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Colin Ian King authored
Trivial fix to spelling mistake in dprintk message text Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Hans Verkuil <hansverk@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Anders Roxell authored
cx231-417 uses kmalloc/kfree functions, so slab header needs to be included in order to fix the following build errors: drivers/media/usb/cx231xx/cx231xx-417.c: In function ‘cx231xx_bulk_copy’: CC drivers/media/platform/qcom/venus/firmware.o drivers/media/usb/cx231xx/cx231xx-417.c:1389:11: error: implicit declaration of function ‘kmalloc’; did you mean ‘vmalloc’? [-Werror=implicit-function-declaration] buffer = kmalloc(buffer_size, GFP_ATOMIC); ^~~~~~~ vmalloc drivers/media/usb/cx231xx/cx231xx-417.c:1389:9: warning: assignment makes pointer from integer without a cast [-Wint-conversion] buffer = kmalloc(buffer_size, GFP_ATOMIC); ^ drivers/media/usb/cx231xx/cx231xx-417.c:1400:2: error: implicit declaration of function ‘kfree’; did you mean ‘vfree’? [-Werror=implicit-function-declaration] kfree(buffer); ^~~~~ vfree drivers/media/usb/cx231xx/cx231xx-417.c: In function ‘mpeg_open’: drivers/media/usb/cx231xx/cx231xx-417.c:1713:7: error: implicit declaration of function ‘kzalloc’; did you mean ‘vzalloc’? [-Werror=implicit-function-declaration] fh = kzalloc(sizeof(*fh), GFP_KERNEL); ^~~~~~~ vzalloc drivers/media/usb/cx231xx/cx231xx-417.c:1713:5: warning: assignment makes pointer from integer without a cast [-Wint-conversion] fh = kzalloc(sizeof(*fh), GFP_KERNEL); ^ Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Hans Verkuil <hansverk@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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