linux_dsm_epyc7002/drivers/soc/qcom
Douglas Anderson be24c6a71e soc: qcom: rpmh-rsc: Don't use ktime for timeout in write_tcs_reg_sync()
The write_tcs_reg_sync() may be called after timekeeping is suspended
so it's not OK to use ktime.  The readl_poll_timeout_atomic() macro
implicitly uses ktime.  This was causing a warning at suspend time.

Change to just loop 1000000 times with a delay of 1 us between loops.
This may give a timeout of more than 1 second but never less and is
safe even if timekeeping is suspended.

NOTE: I don't have any actual evidence that we need to loop here.
It's possibly that all we really need to do is just read the value
back to ensure that the pipes are cleaned and the looping/comparing is
totally not needed.  I never saw the loop being needed in my tests.
However, the loop shouldn't hurt.

Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Fixes: 91160150ab ("soc: qcom: rpmh-rsc: Timeout after 1 second in write_tcs_reg_sync()")
Reported-by: Maulik Shah <mkshah@codeaurora.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200528074530.1.Ib86e5b406fe7d16575ae1bb276d650faa144b63c@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-06-24 15:41:32 -07:00
..
apr.c soc: qcom: apr: Add avs/audio tracking functionality 2020-03-14 22:38:50 -07:00
cmd-db.c soc: qcom: cmd-db: Properly endian swap the slv_id for debugfs 2020-04-19 23:06:29 -07:00
Kconfig soc: qcom: rpmh: Allow RPMH on ARM SoC 2020-06-22 14:23:20 -07:00
llcc-qcom.c soc: qcom: llcc: Add configuration data for SC7180 2019-10-20 19:15:20 -07:00
Makefile remoteproc updates for v5.8 2020-06-08 13:01:08 -07:00
mdt_loader.c remoteproc updates for v5.3 2019-07-17 11:44:41 -07:00
ocmem.c soc: qcom: add OCMEM driver 2019-10-07 08:17:33 -07:00
pdr_interface.c soc: qcom: pdr: Remove impossible error condition 2020-04-20 23:57:58 -07:00
pdr_internal.h soc: qcom: Introduce Protection Domain Restart helpers 2020-03-14 22:38:42 -07:00
qcom_aoss.c soc: qcom: aoss: Add SM8250 compatible 2020-05-11 17:17:23 -07:00
qcom_gsbi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 409 2019-06-05 17:37:14 +02:00
qcom-geni-se.c soc: qcom: geni: Provide parameter error checking 2019-09-06 11:08:08 +02:00
qmi_encdec.c soc: qcom: Introduce QMI encoder/decoder 2017-12-20 15:38:34 -06:00
qmi_interface.c soc: qcom: qmi: Return EPROBE_DEFER if no address family 2019-12-10 22:44:34 -08:00
rmtfs_mem.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
rpmh-internal.h soc: qcom: rpmh-rsc: Remove the pm_lock 2020-05-15 11:45:21 -07:00
rpmh-rsc.c soc: qcom: rpmh-rsc: Don't use ktime for timeout in write_tcs_reg_sync() 2020-06-24 15:41:32 -07:00
rpmh.c soc: qcom: rpmh: Update rpmh_invalidate function to return void 2020-06-22 14:23:46 -07:00
rpmhpd.c soc: qcom: rpmhpd: Add SM8250 power domains 2020-04-20 23:31:48 -07:00
rpmpd.c soc: qcom: rpmpd: Allow RPMPD driver to be loaded as a module 2020-04-14 15:39:56 -07:00
smd-rpm.c soc: qcom: smd-rpm: Add msm8994 compatible 2020-06-23 15:58:33 -07:00
smem_state.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
smem.c soc: qcom: smem: Update max processor count 2019-08-21 15:58:01 -07:00
smp2p.c soc: qcom: smp2p: Delete an error message in qcom_smp2p_probe() 2020-04-13 18:10:12 -07:00
smsm.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
socinfo.c soc: qcom: socinfo: add SM8250 entry to soc_id array 2020-06-23 12:44:13 -07:00
trace-rpmh.h drivers: qcom: rpmh-rsc: log RPMH requests in FTRACE 2018-07-21 13:32:31 -05:00
wcnss_ctrl.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00