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Diffstat (limited to 'target/linux/pxa/patches-2.6.21/021-bugfix-mmc-clock.patch')
-rw-r--r--target/linux/pxa/patches-2.6.21/021-bugfix-mmc-clock.patch14
1 files changed, 14 insertions, 0 deletions
diff --git a/target/linux/pxa/patches-2.6.21/021-bugfix-mmc-clock.patch b/target/linux/pxa/patches-2.6.21/021-bugfix-mmc-clock.patch
new file mode 100644
index 000000000..cac8d735c
--- /dev/null
+++ b/target/linux/pxa/patches-2.6.21/021-bugfix-mmc-clock.patch
@@ -0,0 +1,14 @@
+Index: linux-2.6.21gum/drivers/mmc/pxamci.c
+===================================================================
+--- linux-2.6.21gum.orig/drivers/mmc/pxamci.c
++++ linux-2.6.21gum/drivers/mmc/pxamci.c
+@@ -366,8 +366,7 @@ static void pxamci_set_ios(struct mmc_ho
+
+ if (ios->clock) {
+ unsigned int clk = CLOCKRATE / ios->clock;
+- if (CLOCKRATE / clk > ios->clock)
+- clk <<= 1;
++ if(clk > (1<<6)) clk = (1<<6);
+ host->clkrt = fls(clk) - 1;
+ pxa_set_cken(CKEN12_MMC, 1);
+