remoteproc: qcom_q6v5_mss: Reload the mba region on coredump
authorSibi Sankar <sibis@codeaurora.org>
Wed, 4 Mar 2020 19:47:29 +0000 (01:17 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 17 Apr 2020 08:50:16 +0000 (10:50 +0200)
commit5b677eddc547e3bf7e64ccd02fba1ad373d820b9
tree5ccbd2ce4bbdb35772c5c9dfba2a44d39d182e21
parent241f681d19e16527a697a9e6e2796b2e54f3855e
remoteproc: qcom_q6v5_mss: Reload the mba region on coredump

commit d96f2571dc84d128cacf1944f4ecc87834c779a6 upstream.

On secure devices after a wdog/fatal interrupt, the mba region has to be
refreshed in order to prevent the following errors during mba load.

Err Logs:
remoteproc remoteproc2: stopped remote processor 4080000.remoteproc
qcom-q6v5-mss 4080000.remoteproc: PBL returned unexpected status -284031232
qcom-q6v5-mss 4080000.remoteproc: PBL returned unexpected status -284031232
....
qcom-q6v5-mss 4080000.remoteproc: PBL returned unexpected status -284031232
qcom-q6v5-mss 4080000.remoteproc: MBA booted, loading mpss

Fixes: 7dd8ade24dc2a ("remoteproc: qcom: q6v5-mss: Add custom dump function for modem")
Cc: stable@vger.kernel.org
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200304194729.27979-4-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/remoteproc/qcom_q6v5_mss.c