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Commit b2d32f03 authored by Daniel Pieczko's avatar Daniel Pieczko Committed by Ben Hutchings
Browse files

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: default avatarBen Hutchings <bhutchings@solarflare.com>
parent dfdaa95c

drivers/net/ethernet/sfc/mcdi.c

+2 −2
Original line number Diff line number Diff line
@@ -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)