Message ID | 20241125125338.905146-1-vamshigajjela@google.com |
---|---|
State | New |
Headers | show |
Series | scsi: ufs: core: Fix link_startup_again on success | expand |
On 11/25/24 4:53 AM, Vamshi Gajjela wrote: > Set link_startup_again to false after a successful > ufshcd_dme_link_startup operation and confirmation of device presence. > Prevents unnecessary link startup attempts when the previous operation > has succeeded. > > Signed-off-by: Vamshi Gajjela <vamshigajjela@google.com> > Fixes: 7caf489b99a4 ("scsi: ufs: issue link starup 2 times if device isn't active") > Cc: stable@vger.kernel.org Shouldn't your Signed-off-by come after the Fixes: and Cc: stable tags? Anyway, since this patch looks good to me: Reviewed-by: Bart Van Assche <bvanassche@acm.org>
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index abbe7135a977..cc1d15002ab5 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -4994,6 +4994,10 @@ static int ufshcd_link_startup(struct ufs_hba *hba) goto out; } + /* link_startup success and device is present */ + if (!ret && ufshcd_is_device_present(hba)) + link_startup_again = false; + /* * DME link lost indication is only received when link is up, * but we can't be sure if the link is up until link startup
Set link_startup_again to false after a successful ufshcd_dme_link_startup operation and confirmation of device presence. Prevents unnecessary link startup attempts when the previous operation has succeeded. Signed-off-by: Vamshi Gajjela <vamshigajjela@google.com> Fixes: 7caf489b99a4 ("scsi: ufs: issue link starup 2 times if device isn't active") Cc: stable@vger.kernel.org --- drivers/ufs/core/ufshcd.c | 4 ++++ 1 file changed, 4 insertions(+)