[PATCH 2/2] sdhci-of-esdhc: Pre divider starts at 1
    Joakim Tjernlund 
    joakim.tjernlund at transmode.se
       
    Tue May  5 02:31:32 AEST 2015
    
    
  
For PowerPC esdhc pre divider starts at 1, fixing this increases
the actual clock from 40 MHz to 50 MHz.
Signed-off-by: Joakim Tjernlund <joakim.tjernlund at transmode.se>
---
 drivers/mmc/host/sdhci-of-esdhc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index 7130130..ffd5625 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -207,7 +207,7 @@ static unsigned int esdhc_of_get_min_clock(struct sdhci_host *host)
 
 static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock)
 {
-	int pre_div = 2;
+	int pre_div = 1;
 	int div = 1;
 	u32 temp;
 
@@ -237,7 +237,7 @@ static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock)
 
 	dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n",
 		clock, host->max_clk / pre_div / div);
-
+	host->mmc->actual_clock = host->max_clk / pre_div / div;
 	pre_div >>= 1;
 	div--;
 
-- 
2.3.6
    
    
More information about the Linuxppc-dev
mailing list