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Add a common panic handler that invokes a stop request and sleep enough
to let the remoteproc flush it's caches etc in order to aid post mortem
debugging. For now a hard coded 200ms is returned to the remoteproc
core, this value is taken from the downstream kernel.
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200324052904.738594-4-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
We don't need dev_err() messages when platform_get_irq() fails now that
platform_get_irq() prints an error message itself when something goes
wrong. Let's remove these prints with a simple semantic patch.
// <smpl>
@@
expression ret;
struct platform_device *E;
@@
ret =
(
platform_get_irq(E, ...)
|
platform_get_irq_byname(E, ...)
);
if ( \( ret < 0 \| ret <= 0 \) )
{
(
-if (ret != -EPROBE_DEFER)
-{ ...
-dev_err(...);
-... }
|
...
-dev_err(...);
)
...
}
// </smpl>
While we're here, remove braces on if statements that only have one
statement (manually).
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-remoteproc@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Commit d5269c4553 ("remoteproc: qcom: q6v5: Propagate EPROBE_DEFER")
fixed up our probe code to handle -EPROBE_DEFER, but it ignored one of
our interrupts, and it also didn't really handle all the other error
codes you might get (e.g., with a bad DT definition). Handle those all
explicitly.
Fixes: d5269c4553 ("remoteproc: qcom: q6v5: Propagate EPROBE_DEFER")
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Currently with GLINK_SSR enabled each fatal crash results in servicing
a crash from wdog as well. This is due to a race that occurs in setting
the running flag in the shutdown path. Fix this by moving the running
flag to the end of fatal interrupt handler.
Crash Logs:
qcom-q6v5-pil 4080000.remoteproc: fatal error without message
remoteproc remoteproc0: crash detected in 4080000.remoteproc: type fatal
error
remoteproc remoteproc0: handling crash #1 in 4080000.remoteproc
remoteproc remoteproc0: recovering 4080000.remoteproc
qcom-q6v5-pil 4080000.remoteproc: watchdog without message
remoteproc remoteproc0: crash detected in 4080000.remoteproc: type watchdog
remoteproc:glink-edge: intent request timed out
qcom_glink_ssr remoteproc:glink-edge.glink_ssr.-1.-1: failed to send
cleanup message
qcom_glink_ssr remoteproc:glink-edge.glink_ssr.-1.-1: timeout waiting
for cleanup done message
qcom-q6v5-pil 4080000.remoteproc: timed out on wait
qcom-q6v5-pil 4080000.remoteproc: port failed halt
remoteproc remoteproc0: stopped remote processor 4080000.remoteproc
qcom-q6v5-pil 4080000.remoteproc: MBA booted, loading mpss
remoteproc remoteproc0: remote processor 4080000.remoteproc is now up
remoteproc remoteproc0: handling crash #2 in 4080000.remoteproc
remoteproc remoteproc0: recovering 4080000.remoteproc
qcom-q6v5-pil 4080000.remoteproc: port failed halt
remoteproc remoteproc0: stopped remote processor 4080000.remoteproc
qcom-q6v5-pil 4080000.remoteproc: MBA booted, loading mpss
remoteproc remoteproc0: remote processor 4080000.remoteproc is now up
Suggested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
In the case that the interrupts fail to result because of the
interrupt-controller not yet being registered the
platform_get_irq_byname() call will fail with -EPROBE_DEFER, but passing
this into devm_request_threaded_irq() will result in -EINVAL being
returned, the driver is therefor not reprobed later.
Fixes: 3b415c8fb2 ("remoteproc: q6v5: Extract common resource handling")
Cc: stable@vger.kernel.org
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The new driver only works as built-in code at the moment but fails
with a link error when configured as a loadable module:
WARNING: modpost: missing MODULE_LICENSE() in drivers/remoteproc/qcom_q6v5.o
see include/linux/module.h for more information
ERROR: "qcom_q6v5_init" [drivers/remoteproc/qcom_q6v5_pil.ko] undefined!
ERROR: "qcom_q6v5_wait_for_start" [drivers/remoteproc/qcom_q6v5_pil.ko] undefined!
ERROR: "qcom_q6v5_prepare" [drivers/remoteproc/qcom_q6v5_pil.ko] undefined!
ERROR: "qcom_q6v5_unprepare" [drivers/remoteproc/qcom_q6v5_pil.ko] undefined!
ERROR: "qcom_q6v5_request_stop" [drivers/remoteproc/qcom_q6v5_pil.ko] undefined!
ERROR: "qcom_q6v5_init" [drivers/remoteproc/qcom_adsp_pil.ko] undefined!
ERROR: "qcom_q6v5_wait_for_start" [drivers/remoteproc/qcom_adsp_pil.ko] undefined!
ERROR: "qcom_q6v5_prepare" [drivers/remoteproc/qcom_adsp_pil.ko] undefined!
ERROR: "qcom_q6v5_unprepare" [drivers/remoteproc/qcom_adsp_pil.ko] undefined!
ERROR: "qcom_q6v5_request_stop" [drivers/remoteproc/qcom_adsp_pil.ko] undefined!
This exports the internal symbols as needed and adds the MODULE_LICENSE()
and MODULE_DESCRIPTION() tags. I could not figure out the author, so I
did not add a MODULE_AUTHOR() tag for now.
Fixes: 3b415c8fb2 ("remoteproc: q6v5: Extract common resource handling")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Shared between all Hexagon V5 based remoteprocs is the handling of the 5
interrupts and the SMP2P stop request, so break this out into a separate
function in order to allow these drivers to be cleaned up.
Reviewed-by: Rohit kumar <rohitkr@codeaurora.org>
Tested-by: Rohit kumar <rohitkr@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
