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Commit 3f2da355 authored by Asutosh Das's avatar Asutosh Das
Browse files

mmc: sdhci: Use max timeout and skip timeout calculation 



Several data-timeout issues were seen, most of which were
due to the card taking a longer time to respond. This patch
increases the timeout of the controller to 0xF i.e. max
possible.

Change-Id: I6739de3eb5d9cccf8e39d9dc4730056782334162
CRs-Fixed: 536832
Signed-off-by: default avatarAsutosh Das <asutoshd@codeaurora.org>
parent 4a149ed1

drivers/mmc/host/sdhci.c

+6 −0
Original line number Diff line number Diff line
@@ -803,6 +803,12 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd) 
	if (host->quirks & SDHCI_QUIRK_BROKEN_TIMEOUT_VAL)

		return 0xE;



	/* During initialization, don't use max timeout as the clock is slow */

	if ((host->quirks2 & SDHCI_QUIRK2_USE_RESERVED_MAX_TIMEOUT) &&

		(host->clock > 400000)) {

		return 0xF;

	}



	/* Unspecified timeout, assume max */

	if (!data && !cmd->cmd_timeout_ms)

		return 0xE;