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Commit 114f2bf6 authored by Dong Aisheng's avatar Dong Aisheng Committed by Chris Ball
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mmc: sdhci: report error once the maximum tuning loops exhausted or timeout 



The original code missed to report an error when the maximum tuning
loops exhausted or timeout, it will cause the upper layer to wrongly
think the tuning process is passed.

Signed-off-by: default avatarDong Aisheng <b29396@freescale.com>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 6b4fb671

drivers/mmc/host/sdhci.c

+1 −0
Original line number Diff line number Diff line
@@ -1989,6 +1989,7 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) 
	if (!tuning_loop_counter || !timeout) {

		ctrl &= ~SDHCI_CTRL_TUNED_CLK;

		sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);

		err = -EIO;

	} else {

		if (!(ctrl & SDHCI_CTRL_TUNED_CLK)) {

			pr_info(DRIVER_NAME ": Tuning procedure"