From: David E. Box Date: Thu, 13 Apr 2023 01:32:30 +0000 (-0700) Subject: platform/x86/intel/sdsi: Change mailbox timeout X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=14f6f0e3709a8aa987ae78783d2e4d63f88cc13a;p=linux.git platform/x86/intel/sdsi: Change mailbox timeout 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 Reviewed-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20230413013230.1521584-1-david.e.box@linux.intel.com Signed-off-by: Hans de Goede --- diff --git a/drivers/platform/x86/intel/sdsi.c b/drivers/platform/x86/intel/sdsi.c index 9e0ea2cdd7042..556e7c6dbb05a 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