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f7823f8f43
linux_dsm_epyc7002/drivers/media/video/cx18
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Andy Walls f7823f8f43 V4L/DVB (9513): cx18: Reduce number of mmio read retries 
cx18: Reduce number of mmio read retries to improve performance.  Experiments
have shown 2 things: read retries never improve the result of a suspect mmio
read from the CX23418 (the result stays all 0xff's), and that most of the
suspected read failures are actually proper reads of values that should be
all 0xff's.  This change reduces the number of read retries and keeps the
count separate from write retries.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-30 09:38:00 -02:00
..
cx18-audio.c V4L/DVB (8913): cx18: Create cx18_ specific wrappers for all pci mmio accessesors. 2008-10-12 09:36:58 -02:00
cx18-audio.h
cx18-av-audio.c V4L/DVB (9512): cx18: Fix write retries for registers that always change - part 3. 2008-12-29 17:53:26 -02:00
cx18-av-core.c V4L/DVB (9514): cx18: Fix PLL freq computation for debug display 2008-12-29 17:53:27 -02:00
cx18-av-core.h V4L/DVB (9512): cx18: Fix write retries for registers that always change - part 3. 2008-12-29 17:53:26 -02:00
cx18-av-firmware.c V4L/DVB (9513): cx18: Reduce number of mmio read retries 2008-12-30 09:38:00 -02:00
cx18-av-vbi.c V4L/DVB (8378): cx18: move cx18_av_vbi_setup to av-core.c and rename to cx18_av_std_setup 2008-07-20 07:28:12 -03:00
cx18-cards.c V4L/DVB (9131): cx18: Add entries for the Leadtek PVR2100 and Toshiba Qosmio DVB-T/Analog 2008-10-12 09:37:16 -02:00
cx18-cards.h V4L/DVB (8332): cx18: Suport external reset of the Z8F0811 IR controller on HVR-1600 for lirc 2008-07-20 07:25:03 -03:00
cx18-controls.c V4L/DVB (8113): ivtv/cx18: remove s/g_ctrl, now all controls are handled through s/g_ext_ctrl 2008-07-20 07:12:23 -03:00
cx18-controls.h V4L/DVB (8113): ivtv/cx18: remove s/g_ctrl, now all controls are handled through s/g_ext_ctrl 2008-07-20 07:12:23 -03:00
cx18-driver.c V4L/DVB (9474): cx18: Remove redundant block scope variable in cx18_probe() for sparse 2008-12-29 17:53:24 -02:00
cx18-driver.h V4L/DVB (9513): cx18: Reduce number of mmio read retries 2008-12-30 09:38:00 -02:00
cx18-dvb.c V4L/DVB (9516): cx18: Move DVB buffer transfer handling from irq handler to work_queue 2008-11-11 08:11:33 -02:00
cx18-dvb.h V4L/DVB (9516): cx18: Move DVB buffer transfer handling from irq handler to work_queue 2008-11-11 08:11:33 -02:00
cx18-fileops.c V4L/DVB (8773): cx18: Fix cx18_find_handle() and add error checking 2008-10-12 09:36:53 -02:00
cx18-fileops.h V4L/DVB (7856): cx18/: possible cleanups 2008-05-14 02:54:09 -03:00
cx18-firmware.c V4L/DVB (9512): cx18: Fix write retries for registers that always change - part 3. 2008-12-29 17:53:26 -02:00
cx18-firmware.h
cx18-gpio.c V4L/DVB (9512): cx18: Fix write retries for registers that always change - part 3. 2008-12-29 17:53:26 -02:00
cx18-gpio.h V4L/DVB (9049): convert tuner drivers to use dvb_frontend->callback 2008-10-12 09:37:09 -02:00
cx18-i2c.c V4L/DVB (9512): cx18: Fix write retries for registers that always change - part 3. 2008-12-29 17:53:26 -02:00
cx18-i2c.h
cx18-io.c V4L/DVB (9513): cx18: Reduce number of mmio read retries 2008-12-30 09:38:00 -02:00
cx18-io.h V4L/DVB (9513): cx18: Reduce number of mmio read retries 2008-12-30 09:38:00 -02:00
cx18-ioctl.c V4L/DVB (9157): cx18/ivtv: add 'PCI:' prefix to bus_info. 2008-10-13 09:07:42 -02:00
cx18-ioctl.h V4L/DVB (8082): cx18: convert to video_ioctl2() 2008-07-20 07:10:43 -03:00
cx18-irq.c V4L/DVB (9516): cx18: Move DVB buffer transfer handling from irq handler to work_queue 2008-11-11 08:11:33 -02:00
cx18-irq.h V4L/DVB (9516): cx18: Move DVB buffer transfer handling from irq handler to work_queue 2008-11-11 08:11:33 -02:00
cx18-mailbox.c V4L/DVB (9511): cx18: Mark CX18_CPU_DE_RELEASE_MDL as a slow API call 2008-11-11 08:11:29 -02:00
cx18-mailbox.h
cx18-queue.c V4L/DVB (9516): cx18: Move DVB buffer transfer handling from irq handler to work_queue 2008-11-11 08:11:33 -02:00
cx18-queue.h V4L/DVB (8914): cx18: Throttle mmio to/from the CX23418 so boards work in older systems 2008-10-12 09:36:58 -02:00
cx18-scb.c V4L/DVB (8913): cx18: Create cx18_ specific wrappers for all pci mmio accessesors. 2008-10-12 09:36:58 -02:00
cx18-scb.h V4L/DVB (9515): cx18: Use correct Mailbox IRQ Ack values and misc IRQ handling cleanup 2008-11-11 08:11:31 -02:00
cx18-streams.c V4L/DVB (9299): cx18: Don't mask many real init error codes by mapping them to ENOMEM 2008-10-21 14:20:47 -02:00
cx18-streams.h V4L/DVB (7854): cx18/ivtv: improve and fix out-of-memory handling 2008-05-14 02:54:09 -03:00
cx18-vbi.c
cx18-vbi.h
cx18-version.h V4L/DVB (9111): cx18: Up the version to 1.0.1 2008-10-12 09:37:14 -02:00
cx18-video.c
cx18-video.h
cx23418.h V4L/DVB (8774): cx18: Have CX23418 release buffers at end of capture. 2008-10-12 09:36:53 -02:00
Kconfig V4L/DVB (9885): drivers/media Kconfig's: fix bugzilla #12204 2008-12-16 16:43:59 -02:00
Makefile V4L/DVB (8913): cx18: Create cx18_ specific wrappers for all pci mmio accessesors. 2008-10-12 09:36:58 -02:00