lkml.org 
[lkml]   [2023]   [Apr]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] platform/x86/intel/sdsi: Change mailbox timeout
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.
\
 
 \ /
  Last update: 2023-04-13 19:06    [W:0.030 / U:1.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site