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alistair23-linux/drivers/net/wireless/broadcom/brcm80211/brcmfmac
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Douglas Anderson 2de0b42da2 brcmfmac: sdio: Disable auto-tuning around commands expected to fail 
There are certain cases, notably when transitioning between sleep and
active state, when Broadcom SDIO WiFi cards will produce errors on the
SDIO bus.  This is evident from the source code where you can see that
we try commands in a loop until we either get success or we've tried
too many times.  The comment in the code reinforces this by saying
"just one write attempt may fail"

Unfortunately these failures sometimes end up causing an "-EILSEQ"
back to the core which triggers a retuning of the SDIO card and that
blocks all traffic to the card until it's done.

Let's disable retuning around the commands we expect might fail.

Cc: stable@vger.kernel.org #v4.18+
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 		2019-06-18 13:30:29 +02:00
..
Makefile wireless: prefix header search paths with $(srctree)/ 2019-02-01 14:42:25 +02:00
bcdc.c brcmfmac: fix NULL pointer derefence during USB disconnect 2019-04-04 13:10:19 +03:00
bcdc.h brcmfmac: fix NULL pointer derefence during USB disconnect 2019-04-04 13:10:19 +03:00
bcmsdh.c brcmfmac: fix leak of mypkt on error return path 2019-04-13 14:07:09 +03:00
btcoex.c brcmfmac: allocate struct brcmf_pub instance using wiphy_new() 2018-03-27 12:04:22 +03:00
btcoex.h
…
bus.h brcmfmac: reset PCIe bus on a firmware crash 2019-04-04 13:00:13 +03:00
cfg80211.c brcmfmac: fix missing checks for kmemdup 2019-04-04 13:13:16 +03:00
cfg80211.h brcmfmac: fix roamoff=1 modparam 2018-12-20 08:47:53 +02:00
chip.c brcmfmac: 4373 save-restore support 2018-12-13 16:57:26 +02:00
chip.h brcmfmac: use brcmf_chip_name() to store name in revinfo 2018-03-27 12:04:21 +03:00
common.c brcmfmac: use bphy_err() in all wiphy-related code 2019-02-20 19:54:17 +02:00
common.h brcmfmac: Set board_type from DMI on x86 based machines 2018-11-06 18:50:17 +02:00
commonring.c
…
commonring.h
…
core.c brcmfmac: fix Oops when bringing up interface during USB disconnect 2019-04-04 13:11:37 +03:00
core.h brcmfmac: reset PCIe bus on a firmware crash 2019-04-04 13:00:13 +03:00
debug.c brcmfmac: validate user provided data for memdump before copying 2018-05-23 18:51:56 +03:00
debug.h brcmfmac: rework bphy_err() to take struct brcmf_pub argument 2019-02-19 17:07:13 +02:00
dmi.c brcmfmac: Add DMI nvram filename quirk for ACEPC T8 and T11 mini PCs 2019-04-25 19:57:44 +03:00
feature.c brcmfmac: use bphy_err() in all wiphy-related code 2019-02-20 19:54:17 +02:00
feature.h brcmfmac: support monitor frames with the hardware/ucode header 2019-02-08 17:27:26 +02:00
firmware.c brcmfmac: Use struct_size() in kzalloc() 2019-04-13 13:58:36 +03:00
firmware.h brcmfmac: Add support for first trying to get a board specific nvram file 2018-11-06 18:50:15 +02:00
flowring.c brcmfmac: move ALLFFMAC variable in flowring module 2018-05-23 18:51:47 +03:00
flowring.h brcmfmac: Increase nr of supported flowrings. 2016-02-25 11:59:22 +02:00
fweh.c brcmfmac: use bphy_err() in all wiphy-related code 2019-02-20 19:54:17 +02:00
fweh.h brcmfmac: add subtype check for event handling in data path 2019-02-19 17:04:40 +02:00
fwil.c brcmfmac: use bphy_err() in all wiphy-related code 2019-02-20 19:54:17 +02:00
fwil.h brcmfmac: enable frameburst mode in default firmware setting 2018-12-13 16:56:24 +02:00
fwil_types.h brcmfmac: support STA info struct v7 2018-11-29 17:31:52 +02:00
fwsignal.c brcmfmac: fix NULL pointer derefence during USB disconnect 2019-04-04 13:10:19 +03:00
fwsignal.h brcmfmac: fix NULL pointer derefence during USB disconnect 2019-04-04 13:10:19 +03:00
msgbuf.c brcmfmac: set txflow request id from 1 to pktids array size 2019-05-01 18:26:07 +03:00
msgbuf.h brcmfmac: coarse support for PCIe shared structure rev7 2018-04-30 13:43:17 +03:00
of.c brcmfmac: Set board_type used for nvram file selection to machine-compatible 2018-11-06 18:50:16 +02:00
of.h brcmfmac: make brcmf_of_probe more generic 2017-01-19 14:45:13 +02:00
p2p.c brcmfmac: use bphy_err() in all wiphy-related code 2019-02-20 19:54:17 +02:00
p2p.h brcmfmac: fix full timeout waiting for action frame on-channel tx 2018-10-05 11:29:42 +03:00
pcie.c brcmfmac: print firmware messages after a firmware crash 2019-05-01 18:27:31 +03:00
pcie.h
…
pno.c brcmfmac: use bphy_err() in all wiphy-related code 2019-02-20 19:54:17 +02:00
pno.h brcmfmac: add support multi-scheduled scan 2017-06-13 09:57:49 +03:00
proto.c brcmfmac: fix NULL pointer derefence during USB disconnect 2019-04-04 13:10:19 +03:00
proto.h brcmfmac: fix NULL pointer derefence during USB disconnect 2019-04-04 13:10:19 +03:00
sdio.c brcmfmac: sdio: Disable auto-tuning around commands expected to fail 2019-06-18 13:30:29 +02:00
sdio.h brcmfmac: set SDIO F1 MesBusyCtrl for CYW4373 2018-12-13 16:57:14 +02:00
tracepoint.c brcmfmac: modify __brcmf_err() to take bus as a parameter 2019-02-08 17:22:47 +02:00
tracepoint.h
…
usb.c brcmfmac: convert dev_init_lock mutex to completion 2019-04-04 13:12:06 +03:00
usb.h
…
vendor.c brcm80211: potential NULL dereference in brcmf_cfg80211_vndr_cmds_dcmd_handler() 2019-05-01 18:25:09 +03:00
vendor.h
…