mmc: sh_mmcif: Simplify calculation of mmc->f_min
There is no need to tune mmc->f_min to a value near 400kHz as the MMC core
begins testing frequencies at 400kHz regardless of the value of mmc->f_min.
As suggested by Guennadi Liakhovetski.
Cc: Magnus Damm <magnus.damm@gmail.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Tested-by: Cao Minh Hiep <hiepcm@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 4bb999e..724b35e 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -1299,13 +1299,7 @@
mmc->ops = &sh_mmcif_ops;
mmc->f_max = host->clk / 2;
- /* close to 400KHz */
- if (host->clk < 51200000)
- mmc->f_min = host->clk / 128;
- else if (host->clk < 102400000)
- mmc->f_min = host->clk / 256;
- else
- mmc->f_min = host->clk / 512;
+ mmc->f_min = host->clk / 512;
if (pd->ocr)
mmc->ocr_avail = pd->ocr;
mmc->caps = MMC_CAP_MMC_HIGHSPEED;