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| author |   Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2022-09-26 14:02:49 +0300 |
|---|---|---|
| committer |   Arnd Bergmann <arnd@arndb.de> | 2022-09-28 22:37:55 +0200 |
| commit | 998fcd001feb8d71f2838d0949f2aeac2a0cbb9e (patch) | |
| tree | e000ac04a9c0b65a187f7f483f82582761f7a7af /drivers/firmware | |
| parent | Merge tag 'memory-controller-drv-6.1-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers (diff) | |
| download | linux-dev-998fcd001feb8d71f2838d0949f2aeac2a0cbb9e.tar.xz linux-dev-998fcd001feb8d71f2838d0949f2aeac2a0cbb9e.zip | |
firmware/psci: Print a warning if PSCI doesn't accept PC mode
The function psci_pd_try_set_osi_mode() will print an error if enabling
OSI mode fails. To ease debugging PSCI issues print corresponding
message if switching to PC mode fails too.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220926110249.666813-1-dmitry.baryshkov@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/psci/psci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index cfb448eabdaa..1628f1edef4a 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -163,6 +163,8 @@ int psci_set_osi_mode(bool enable) PSCI_1_0_SUSPEND_MODE_PC; err = invoke_psci_fn(PSCI_1_0_FN_SET_SUSPEND_MODE, suspend_mode, 0, 0); + if (err < 0) + pr_warn("failed to set %s mode: %d\n", enable ? "OSI" : "PC", err); return psci_to_linux_errno(err); } |