hak5
/
wifipineapple-openwrt
mirror of https://github.com/hak5/wifipineapple-openwrt.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[atheros] remove the clz function, use fls instead 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10878 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Gabor Juhos 2008-04-20 09:10:50 +00:00
parent f85cb02b81
commit 2d93f878d2
2 changed files with 2 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c
View File

@ -20,6 +20,7 @@
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/reboot.h> #include <linux/reboot.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/bitops.h>
#include <asm/bootinfo.h> #include <asm/bootinfo.h>
#include <asm/irq_cpu.h> #include <asm/irq_cpu.h>
#include <asm/io.h> #include <asm/io.h>
@ -39,7 +40,7 @@ static inline void ar5315_gpio_irq(void)
if (!pend) if (!pend)
return; return;
do_IRQ(AR531X_GPIO_IRQ_BASE + 31 - clz(pend)); do_IRQ(AR531X_GPIO_IRQ_BASE + fls(pend) - 1);
} }

23
target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h
View File

@ -11,29 +11,6 @@
extern void (*board_time_init)(void); extern void (*board_time_init)(void);
#endif #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 * 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. * using MIPS 4KEc R2 core. This makes it easy to determine the board at runtime.