Messages in this thread | | | Date | Thu, 13 Apr 2023 13:17:18 +0300 (EEST) | From | Ilpo Järvinen <> | Subject | Re: [PATCH] platform/x86/intel/sdsi: Change mailbox timeout |
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On Wed, 12 Apr 2023, David E. Box wrote:
> On some platforms, it may take up to 400ms for the ready bit to be set in a > successful mailbox transaction. Set the timeout to 500ms to cover the worst > case. > > Signed-off-by: David E. Box <david.e.box@linux.intel.com> > --- > drivers/platform/x86/intel/sdsi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/platform/x86/intel/sdsi.c b/drivers/platform/x86/intel/sdsi.c > index 9e0ea2cdd704..556e7c6dbb05 100644 > --- a/drivers/platform/x86/intel/sdsi.c > +++ b/drivers/platform/x86/intel/sdsi.c > @@ -49,7 +49,7 @@ > #define SDSI_MBOX_CMD_SUCCESS 0x40 > #define SDSI_MBOX_CMD_TIMEOUT 0x80 > > -#define MBOX_TIMEOUT_US 2000 > +#define MBOX_TIMEOUT_US 500000 > #define MBOX_TIMEOUT_ACQUIRE_US 1000 > #define MBOX_POLLING_PERIOD_US 100 > #define MBOX_ACQUIRE_NUM_RETRIES 5
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-- i.
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