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cx231xx_usb_probe()
There are numerous issues in error handling code of cx231xx initialization.
Double free (when cx231xx_init_dev() calls kfree(dev) via cx231xx_release_resources()
and then cx231xx_usb_probe() does the same) and memory leaks
(e.g. usb_get_dev() before (ifnum != 1) check in cx231xx_usb_probe())
are just a few of them.
The patch fixes the issues in cx231xx_usb_probe() and cx231xx_init_dev()
by moving usb_get_dev(interface_to_usbdev(interface)) below in code and
implementing proper error handling.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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module_pci_driver removes some boilerplate and makes code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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module_pci_driver removes some boilerplate and makes code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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module_pci_driver removes some boilerplate and makes code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch proposes to remove the use of the IRQF_DISABLED flag
It's a NOOP since 2.6.35 and it will be removed one day.
Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/common/siano/smsdvb-main.c:47:5: warning: symbol 'sms_to_guard_interval_table' was not declared. Should it be static?
drivers/media/common/siano/smsdvb-main.c:54:5: warning: symbol 'sms_to_code_rate_table' was not declared. Should it be static?
drivers/media/common/siano/smsdvb-main.c:63:5: warning: symbol 'sms_to_hierarchy_table' was not declared. Should it be static?
drivers/media/common/siano/smsdvb-main.c:70:5: warning: symbol 'sms_to_modulation_table' was not declared. Should it be static?
drivers/media/common/siano/smscoreapi.c:925:35: warning: cast to restricted __le32
drivers/media/common/siano/smscoreapi.c:926:28: warning: cast to restricted __le32
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/usb/dvb-usb/az6027.c:257:23: warning: symbol 'az6027_stb0899_config' was not declared. Should it be static?
drivers/media/usb/dvb-usb/az6027.c:294:23: warning: symbol 'az6027_stb6100_config' was not declared. Should it be static?
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/dvb-frontends/drxk_hard.c:1086:62: warning: Using plain integer as NULL pointer
drivers/media/dvb-frontends/drxk_hard.c:2784:63: warning: Using plain integer as NULL pointer
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/dvb-frontends/drxd_hard.c:1017:70: warning: Using plain integer as NULL pointer
drivers/media/dvb-frontends/drxd_hard.c:1038:69: warning: Using plain integer as NULL pointer
drivers/media/dvb-frontends/drxd_hard.c:2836:33: warning: Using plain integer as NULL pointer
drivers/media/dvb-frontends/drxd_hard.c:2972:30: warning: Using plain integer as NULL pointer
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/dvb-frontends/cxd2820r_core.c:34:32: error: cannot size expression
drivers/media/dvb-frontends/cxd2820r_core.c:68:32: error: cannot size expression
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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These aren't necessary after switch and while statements.
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Mask v4l2_buf.flags to indicate only I/P/B frames.
Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/usb/tlg2300/pd-main.c:235:25: warning: incorrect type in assignment (different base types)
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/usb/cx231xx/cx231xx-pcb-cfg.c:31:19: warning: symbol 'cx231xx_Scenario' was not declared. Should it be static?
drivers/media/usb/cx231xx/cx231xx-pcb-cfg.c:675:23: warning: cast to restricted __le32
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/radio/radio-keene.c:126:45: warning: dubious: !x | y
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/radio/wl128x/fmdrv_common.c:178:6: warning: symbol 'g_st_write' was not declared. Should it be static?
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/tuners/tuner-xc2028.c:575:24: warning: cast to restricted __le16
drivers/media/tuners/tuner-xc2028.c:686:21: warning: cast to restricted __le16
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/platform/timblogiw.c:763:43: warning: incorrect type in initializer (incompatible argument 3 (different signedness))
drivers/media/platform/timblogiw.c:764:43: warning: incorrect type in initializer (incompatible argument 3 (different signedness))
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2871:13: warning: symbol 'pvr2_hdw_get_detected_std' was not declared. Should it be static?
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/usb/hdpvr/hdpvr-core.c:110:54: warning: incorrect type in argument 1 (different base types)
drivers/media/usb/hdpvr/hdpvr-core.c:112:39: warning: invalid assignment: +=
drivers/media/usb/hdpvr/hdpvr-core.c:304:26: warning: Using plain integer as NULL pointer
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Dear Hans de Goede, I have Ubuntu (raring) and recently bought digital
microscope eyepiece Lomo MD300. It is the same device as Future Optics MVV3000.
Unfortunately it does not work out of box. Moreover drivers refused to work
under Windows 7 as well leaving me only with Win Xp working system. I have had
no choice but to examine what happened in USB bus and attempt to reproduce the
sequence. So, i have download the source(3.8.0-30 kernel) and made required
changes to driver to make my hardware work.
I submit my changed files to you as maintainer of the driver so you can
integrade my changes into main stream. Thanx. Hopefully my Ubuntu will work
with my hardware out of box.
Sincerely yours Vladik Aranov
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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That version of DRX-K chip supports only 2.
drxk: SCU_RESULT_INVPAR while sending cmd 0x0203 with params:
drxk: Warning -22 on qam_demodulator_command
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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tda18271c2dd => tda18271
tda18271 is more complete than tda18271c2dd.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Downloading new firmware for DRX-K demodulator is not obligatory but
usually it offers important bug fixes compared to default firmware
burned into chip rom. DRX-K demod driver will continue even without
the firmware, but in that case it will print warning to system log
to tip user he should install firmware.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Tested:
Composite: http://imgur.com/Rb1TCF3
TV: http://imgur.com/KNrfsmv
Firmware used: xc3028-v27.fw
Not tested: audio, component, s-video, mpeg2 encoder, FM radio.
For audio, it uses an CD style cable to connect to the analog "CD_IN" on the motherboard.
I didn't found how to unmute it (alsamixer do not show an CD or AUX channel).
Signed-off-by: Anca Emanuel <anca.emanuel@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The Stellar firmware load routine is different. Improve it to use
the default firmware, if no modprobe parameter tells otherwise.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Tested-by: André Roth <neolynx@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Since kernel 3.8, the initialization for Stellar (sms1000)
devices are broken.
Those devices have a behaviour different than usual sms1100
and sms2270: they start with one USB ID (devices in cold state),
but after firmware load, they get a different USB ID.
This weren't docummented at the driver. So, the patches that added
support for sms2270 broke it.
Properly documment it, and provide a debug log that allows to
follow all phases of the device initialization:
smsusb_probe: board id=13, interface number 0
smsusb_probe: interface 0 won't be used. Expecting interface 1 to popup
smsusb_probe: board id=13, interface number 1
smsusb_probe: smsusb_probe 1
smsusb_probe: endpoint 0 81 02 64
smsusb_probe: endpoint 1 02 02 64
smsusb_probe: stellar device in cold state was found at usb\4-2.
smsusb1_load_firmware: sent 38144(38144) bytes, rc 0
smsusb1_load_firmware: read FW dvbt_bda_stellar_usb.inp, size=38144
smsusb_probe: stellar device now in warm state
usbcore: registered new interface driver smsusb
usb 4-2: USB disconnect, device number 52
usb 4-2: new full-speed USB device number 53 using uhci_hcd
usb 4-2: New USB device found, idVendor=187f, idProduct=0100
usb 4-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 4-2: Product: SMS DVBT-BDA Receiver
usb 4-2: Manufacturer: Siano Mobile Silicon
smsusb_probe: board id=1, interface number 0
smsusb_probe: smsusb_probe 0
smsusb_probe: endpoint 0 81 02 64
smsusb_probe: endpoint 1 02 02 64
smsusb_init_device: in_ep = 81, out_ep = 02
smscore_register_device: allocated 50 buffers
smscore_register_device: device ffff88012a00bc00 created
smsusb_init_device: smsusb_start_streaming(...).
smscore_set_device_mode: set device mode to 4
smsusb1_detectmode: 4 "SMS DVBT-BDA Receiver"
smsusb_sendrequest: sending MSG_SMS_INIT_DEVICE_REQ(578) size: 12
smsusb_onresponse: received MSG_SMS_INIT_DEVICE_RES(579) size: 12
smscore_set_device_mode: Success setting device mode.
smscore_init_ir: IR port has not been detected
smscore_start_device: device ffff88012a00bc00 started, rc 0
smsusb_init_device: device 0xffff88002cfa6000 created
smsusb_probe: Device initialized with return code 0
DVB: registering new adapter (Siano Stellar Digital Receiver)
usb 4-2: DVB: registering adapter 0 frontend 0 (Siano Mobile Digital MDTV Receiver)...
smscore_register_client: ffff88012174a000 693 1
sms_board_dvb3_event: DVB3_EVENT_HOTPLUG
smsdvb_hotplug: success
smsdvb_module_init:
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Tested-by: André Roth <neolynx@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Some messages are not clear, some are debug data, but are
shown as errors, and one message is duplicated.
Cleanup that mess in order to provide a cleaner log.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Tested-by: André Roth <neolynx@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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At this bugzilla and similar ones:
https://bugzilla.kernel.org/show_bug.cgi?id=60645
Those debug messages were seen as errors, but they're just debug
data, and are OK to appear on sms1100 and sms2270. Re-tag them
to appear only if debug is enabled.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Tested-by: André Roth <neolynx@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch will fix the situation where the mutex was left in a
locked state if for some reason the FE init failed.
Signed-off-by: Luis Alves <ljalvs@gmail.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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On certain platforms a sequence of dma_map_sg() and dma_unmap_sg()
discards data previously stored in the buffers. Build video headers
only after the DMA is completed.
Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
[hans.verkuil@cisco.com: fix merge problems due to the recent solo sg_table changes]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
[hans.verkuil@cisco.com: fix merge problems due to the recent solo sg_table changes]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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[m.chehab@samsung.com: Fix CodingStyle: don't use 2 statements on just one line]
Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The "|" operation has higher precedence that "?:" so this couldn't
return both flags set at once as intended.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Fix to return -ENOMEM in the new i2c client and create workqueue error
handling case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch proposes to remove the IRQF_DISABLED flag from
davinci media platform drivers.
It's a NOOP since 2.6.35 and it will be removed one day.
Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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If NO_DMA=y:
warning: (... && VIDEO_RENESAS_VSP1 && ...) selects VIDEOBUF2_DMA_CONTIG which has unmet direct dependencies (MEDIA_SUPPORT && HAS_DMA)
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:202: error: implicit declaration of function ‘dma_mmap_coherent’
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:385: error: implicit declaration of function ‘dma_get_sgtable’
make[7]: *** [drivers/media/v4l2-core/videobuf2-dma-contig.o] Error 1
VIDEO_RENESAS_VSP1 (which doesn't have a platform dependency) selects
VIDEOBUF2_DMA_CONTIG, but the latter depends on HAS_DMA.
Make VIDEO_RENESAS_VSP1 depend on HAS_DMA to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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