Atheros remove clz

Index: target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h===================================================================--- target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h	(revision 10877)+++ target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h	(working copy)@@ -12,29 +12,6 @@ #endif  /*- * C access to CLZ instruction- * (count leading zeroes).- */-static inline int clz(unsigned long val)-{-	int ret;--	__asm__ volatile (-		".set\tnoreorder\n\t"-		".set\tnoat\n\t"-		".set\tmips32\n\t"-		"clz\t%0,%1\n\t"-		".set\tmips0\n\t"-		".set\tat\n\t"-		".set\treorder"-		: "=r" (ret)-		: "r" (val)-	);--	return ret;-}--/*  * Atheros CPUs before the AR2315 are using MIPS 4Kc core, later designs are  * using MIPS 4KEc R2 core. This makes it easy to determine the board at runtime.  */Index: target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c===================================================================--- target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c	(revision 10877)+++ target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c	(working copy)@@ -20,6 +20,7 @@ #include <linux/kernel.h> #include <linux/reboot.h> #include <linux/interrupt.h>+#include <linux/bitops.h> #include <asm/bootinfo.h> #include <asm/irq_cpu.h> #include <asm/io.h>@@ -39,7 +40,7 @@ 	if (!pend) 		return; -	do_IRQ(AR531X_GPIO_IRQ_BASE + 31 - clz(pend));+	do_IRQ(AR531X_GPIO_IRQ_BASE + fls(pend) - 1); }