diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/tmio_mmc.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c index fe6d2b6c016..10951b7131d 100644 --- a/drivers/mmc/host/tmio_mmc.c +++ b/drivers/mmc/host/tmio_mmc.c @@ -37,22 +37,17 @@ static void tmio_mmc_set_clock(struct tmio_mmc_host *host, int new_clock) { - u32 clk = 0, clock, f_min = host->mmc->f_min; + u32 clk = 0, clock; if (new_clock) { - for (clock = f_min, clk = 0x100; new_clock >= (clock<<1); ) { + for (clock = host->mmc->f_min, clk = 0x80000080; + new_clock >= (clock<<1); clk >>= 1) clock <<= 1; - clk >>= 1; - } - if (clk & 0x1) - clk = 0x20000; - - clk >>= 2; - sd_config_write8(host, CNF_SD_CLK_MODE, (clk & 0x8000) ? 0 : 1); clk |= 0x100; } - sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk); + sd_config_write8(host, CNF_SD_CLK_MODE, clk >> 22); + sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk & 0x1ff); } static void tmio_mmc_clk_stop(struct tmio_mmc_host *host) |