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Commit d1eade67 authored by Christian Lütke-Stetzkamp's avatar Christian Lütke-Stetzkamp Committed by Greg Kroah-Hartman
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staging: mt7621-mmc: Relax cpu while waiting for stable clock 



Current code just busy waits with nop for clock becoming stable,
relaxing the cpu here improves readability and portability and also
removes a unnecessary difference with the mtk-sd driver.

Signed-off-by: default avatarChristian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f3698ccb

drivers/staging/mt7621-mmc/sd.c

+1 −1
Original line number Diff line number Diff line
@@ -618,7 +618,7 @@ static void msdc_set_mclk(struct msdc_host *host, int ddr, unsigned int hz) 


	/* wait clock stable */

	while (!(sdr_read32(MSDC_CFG) & MSDC_CFG_CKSTB))

		;

		cpu_relax();



	host->sclk = sclk;

	host->mclk = hz;