From ed164182154d11589a33710a9d04eafd6215d6e5 Mon Sep 17 00:00:00 2001 From: Balaji T K Date: Mon, 21 Oct 2013 00:25:21 +0530 Subject: [PATCH] mmc: omap_hsmmc: correct max value of clkd clock divisor can take a max value of 1023. Update code so that card init can be handled at f_min even at higher IP clock frequencies from which clock to the card is derived. Signed-off-by: Balaji T K Signed-off-by: Chris Ball --- drivers/mmc/host/omap_hsmmc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 4d1170fa34c0..fbd2d89017a9 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -75,6 +75,7 @@ #define ICE 0x1 #define ICS 0x2 #define CEN (1 << 2) +#define CLKD_MAX 0x3FF /* max clock divisor: 1023 */ #define CLKD_MASK 0x0000FFC0 #define CLKD_SHIFT 6 #define DTO_MASK 0x000F0000 @@ -497,8 +498,8 @@ static u16 calc_divisor(struct omap_hsmmc_host *host, struct mmc_ios *ios) if (ios->clock) { dsor = DIV_ROUND_UP(clk_get_rate(host->fclk), ios->clock); - if (dsor > 250) - dsor = 250; + if (dsor > CLKD_MAX) + dsor = CLKD_MAX; } return dsor; -- 2.34.1