diff options
Diffstat (limited to 'drivers/clk/rockchip/clk_rk3188.c')
| -rw-r--r-- | drivers/clk/rockchip/clk_rk3188.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/clk/rockchip/clk_rk3188.c b/drivers/clk/rockchip/clk_rk3188.c index 6f303328783..cbf31d7de1a 100644 --- a/drivers/clk/rockchip/clk_rk3188.c +++ b/drivers/clk/rockchip/clk_rk3188.c @@ -287,7 +287,7 @@ static ulong rockchip_mmc_get_clk(struct rk3188_cru *cru, uint gclk_rate, return -EINVAL; } - return DIV_TO_RATE(gclk_rate, div); + return DIV_TO_RATE(gclk_rate, div) / 2; } static ulong rockchip_mmc_set_clk(struct rk3188_cru *cru, uint gclk_rate, @@ -296,7 +296,8 @@ static ulong rockchip_mmc_set_clk(struct rk3188_cru *cru, uint gclk_rate, int src_clk_div; debug("%s: gclk_rate=%u\n", __func__, gclk_rate); - src_clk_div = RATE_TO_DIV(gclk_rate, freq); + /* mmc clock defaulg div 2 internal, need provide double in cru */ + src_clk_div = DIV_ROUND_UP(gclk_rate / 2, freq); assert(src_clk_div <= 0x3f); switch (periph) { |