clock divisor can take a max value of 1023
update code as per TRM so that card init can be handled with
higher IP clock frequencies from which clock to the card is
derived.
Signed-off-by: Balaji T K <balajitk@xxxxxx>
---
drivers/mmc/host/omap_hsmmc.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index d9af5f1..073b9ff 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
#define CLKD_MASK 0x0000FFC0
#define CLKD_SHIFT 6
#define DTO_MASK 0x000F0000
@@ -478,8 +479,8 @@ 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;
--
1.7.5.4
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