From f85c4abdbc24ede9978073375bee12980cf852b2 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Wed, 26 Mar 2008 08:34:23 +0800 Subject: [Blackfin] arch: dump the stack before printing out an error otherwise the stack dump is useless as it shows us tracing through printk Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/bfin_gpio.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'arch/blackfin/kernel') diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index 08788f7bbfb..a09dc48050b 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c @@ -821,10 +821,10 @@ int peripheral_request(unsigned short per, const char *label) local_irq_save(flags); if (unlikely(reserved_gpio_map[gpio_bank(ident)] & gpio_bit(ident))) { + dump_stack(); printk(KERN_ERR "%s: Peripheral %d is already reserved as GPIO by %s !\n", __FUNCTION__, ident, get_label(ident)); - dump_stack(); local_irq_restore(flags); return -EBUSY; } @@ -848,10 +848,10 @@ int peripheral_request(unsigned short per, const char *label) if (cmp_label(ident, label) == 0) goto anyway; + dump_stack(); printk(KERN_ERR "%s: Peripheral %d function %d is already reserved by %s !\n", __FUNCTION__, ident, P_FUNCT2MUX(per), get_label(ident)); - dump_stack(); local_irq_restore(flags); return -EBUSY; } @@ -891,10 +891,10 @@ int peripheral_request(unsigned short per, const char *label) if (!check_gpio(ident)) { if (unlikely(reserved_gpio_map[gpio_bank(ident)] & gpio_bit(ident))) { + dump_stack(); printk(KERN_ERR "%s: Peripheral %d is already reserved as GPIO by %s !\n", __FUNCTION__, ident, get_label(ident)); - dump_stack(); local_irq_restore(flags); return -EBUSY; } @@ -918,12 +918,12 @@ int peripheral_request(unsigned short per, const char *label) if (cmp_label(ident, label) == 0) goto anyway; + dump_stack(); printk(KERN_ERR "%s: Peripheral %d function %d is already" " reserved by %s !\n", __FUNCTION__, ident, P_FUNCT2MUX(per), get_label(ident)); - dump_stack(); local_irq_restore(flags); return -EBUSY; } @@ -1046,17 +1046,17 @@ int gpio_request(unsigned gpio, const char *label) } if (unlikely(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) { + dump_stack(); printk(KERN_ERR "bfin-gpio: GPIO %d is already reserved by %s !\n", gpio, get_label(gpio)); - dump_stack(); local_irq_restore(flags); return -EBUSY; } if (unlikely(reserved_peri_map[gpio_bank(gpio)] & gpio_bit(gpio))) { + dump_stack(); printk(KERN_ERR "bfin-gpio: GPIO %d is already reserved as Peripheral by %s !\n", gpio, get_label(gpio)); - dump_stack(); local_irq_restore(flags); return -EBUSY; } @@ -1082,8 +1082,8 @@ void gpio_free(unsigned gpio) local_irq_save(flags); if (unlikely(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)))) { - gpio_error(gpio); dump_stack(); + gpio_error(gpio); local_irq_restore(flags); return; } -- cgit v1.2.3