adm5120: add preliminary support for 2.6.31

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18000 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/adm5120/patches-2.6.31/803-adm5120-fix-clock-for-amba-uart.patch

@@ -0,0 +1,21 @@
+--- a/arch/mips/adm5120/common/clock.c
++++ b/arch/mips/adm5120/common/clock.c
+@@ -19,6 +19,7 @@
+ #include <linux/module.h>
+ #include <linux/err.h>
+ #include <linux/clk.h>
++#include <linux/device.h>
+ 
+ #include <asm/mach-adm5120/adm5120_defs.h>
+ 
+@@ -32,7 +33,9 @@ static struct clk uart_clk = {
+ 
+ struct clk *clk_get(struct device *dev, const char *id)
+ {
+-	if (!strcmp(id, "UARTCLK"))
++	char *name = dev_name(dev);
++
++	if (!strcmp(name, "apb:uart0") || !strcmp(name, "apb:uart1"))
+ 		return &uart_clk;
+ 
+ 	return ERR_PTR(-ENOENT);