>From: Saravana Kannan <skan...@codeaurora.org>
>
>If the new governor fails to start, switch back to old governor so that the
>devfreq state is not left in some weird limbo.
>
>[Mjungjoo: assume fatal on revert failure and set df->governor to NULL]
>Signed-off-by: Sibi Sankar <si...@codeaurora.org>
>Signed-off-by: Saravana Kannan <skan...@codeaurora.org>
>Reviewed-by: Chanwoo Choi <cw00.c...@samsung.com>
I'll modify WARN->ERROR for the case when it's fatal:
>+ if (ret) {
>+ dev_warn(dev,
>+ "%s: reverting to Governor %s failed (%d)\n",
>+ __func__, df->governor_name, ret);
>+ df->governor = NULL;
>+ }
Acked-by: MyungJoo Ham <myungjoo....@samsung.com>
>---
>V5:
>* assume fatal on revert failure and set df->governor to NULL
>
>V4:
>* Removed prev_governor check.
>
>V3:
>* Fix NULL deref for real this time.
>* Addressed some style preferences.
>
>V2:
>* Fixed typo in commit text
>* Fixed potential NULL deref
>
> drivers/devfreq/devfreq.c | 16 ++++++++++++++--
> 1 file changed, 14 insertions(+), 2 deletions(-)
>
