incomplete Gumstix support
[openwrt/openwrt.git] / target / linux / pxa / patches-2.6.21 / 021-bugfix-mmc-clock.patch
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 (file)
index 0000000..cac8d73
--- /dev/null
@@ -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);