From: Daniel Pieczko Date: Fri, 20 Sep 2013 15:45:10 +0000 (+0100) Subject: sfc: Increase MCDI status timeout to 250ms X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b2d32f03e67cc9b0ad16fc1fff87edf90f059883;p=linux-beck.git sfc: Increase MCDI status timeout to 250ms The SFC9120 MC firmware often takes longer than 20ms to reboot and update the warm boot count in BIU_MC_SFT_STATUS_REG. A timeout of 250ms is very generous for an MC reboot. Signed-off-by: Ben Hutchings --- diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c index 73143ece4832..c082562dbf4e 100644 --- a/drivers/net/ethernet/sfc/mcdi.c +++ b/drivers/net/ethernet/sfc/mcdi.c @@ -27,10 +27,10 @@ /* A reboot/assertion causes the MCDI status word to be set after the * command word is set or a REBOOT event is sent. If we notice a reboot - * via these mechanisms then wait 20ms for the status word to be set. + * via these mechanisms then wait 250ms for the status word to be set. */ #define MCDI_STATUS_DELAY_US 100 -#define MCDI_STATUS_DELAY_COUNT 200 +#define MCDI_STATUS_DELAY_COUNT 2500 #define MCDI_STATUS_SLEEP_MS \ (MCDI_STATUS_DELAY_US * MCDI_STATUS_DELAY_COUNT / 1000)