[PATCH 4/4] mmc: sunxi: Removing unused code

David Lanzendörfer david.lanzendoerfer at o2s.ch
Tue Dec 16 06:11:15 PST 2014


Removing a relict from reverse engineering of the Android driver code in
sunxi_mmc_clk_set_rate.

Signed-off-by: David Lanzendörfer <david.lanzendoerfer at o2s.ch>
Reported-by: 李想 <lixiang at allwinnertech.com>
---
 drivers/mmc/host/sunxi-mmc.c |   10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index 695fe85..6af0a28 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -627,7 +627,7 @@ static int sunxi_mmc_oclk_onoff(struct sunxi_mmc_host *host, u32 oclk_en)
 static int sunxi_mmc_clk_set_rate(struct sunxi_mmc_host *host,
 				  struct mmc_ios *ios)
 {
-	u32 rate, oclk_dly, rval, sclk_dly, src_clk;
+	u32 rate, oclk_dly, rval, sclk_dly;
 	int ret;
 
 	rate = clk_round_rate(host->clk_mmc, ios->clock);
@@ -672,14 +672,6 @@ static int sunxi_mmc_clk_set_rate(struct sunxi_mmc_host *host,
 		sclk_dly = 4;
 	}
 
-	src_clk = clk_get_rate(clk_get_parent(host->clk_mmc));
-	if (src_clk >= 300000000 && src_clk <= 400000000) {
-		if (oclk_dly)
-			oclk_dly--;
-		if (sclk_dly)
-			sclk_dly--;
-	}
-
 	clk_sunxi_mmc_phase_control(host->clk_mmc, sclk_dly, oclk_dly);
 
 	return sunxi_mmc_oclk_onoff(host, 1);




More information about the linux-arm-kernel mailing list