diff options
Diffstat (limited to 'arch/avr32/mach-at32ap')
| -rw-r--r-- | arch/avr32/mach-at32ap/clock.c | 20 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/extint.c | 4 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/pio.c | 6 |
3 files changed, 24 insertions, 6 deletions
diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c index 23b1a97fae7a..52c179bec0cc 100644 --- a/arch/avr32/mach-at32ap/clock.c +++ b/arch/avr32/mach-at32ap/clock.c @@ -80,6 +80,9 @@ int clk_enable(struct clk *clk) { unsigned long flags; + if (!clk) + return 0; + spin_lock_irqsave(&clk_lock, flags); __clk_enable(clk); spin_unlock_irqrestore(&clk_lock, flags); @@ -106,6 +109,9 @@ void clk_disable(struct clk *clk) { unsigned long flags; + if (IS_ERR_OR_NULL(clk)) + return; + spin_lock_irqsave(&clk_lock, flags); __clk_disable(clk); spin_unlock_irqrestore(&clk_lock, flags); @@ -117,6 +123,9 @@ unsigned long clk_get_rate(struct clk *clk) unsigned long flags; unsigned long rate; + if (!clk) + return 0; + spin_lock_irqsave(&clk_lock, flags); rate = clk->get_rate(clk); spin_unlock_irqrestore(&clk_lock, flags); @@ -129,6 +138,9 @@ long clk_round_rate(struct clk *clk, unsigned long rate) { unsigned long flags, actual_rate; + if (!clk) + return 0; + if (!clk->set_rate) return -ENOSYS; @@ -145,6 +157,9 @@ int clk_set_rate(struct clk *clk, unsigned long rate) unsigned long flags; long ret; + if (!clk) + return 0; + if (!clk->set_rate) return -ENOSYS; @@ -161,6 +176,9 @@ int clk_set_parent(struct clk *clk, struct clk *parent) unsigned long flags; int ret; + if (!clk) + return 0; + if (!clk->set_parent) return -ENOSYS; @@ -174,7 +192,7 @@ EXPORT_SYMBOL(clk_set_parent); struct clk *clk_get_parent(struct clk *clk) { - return clk->parent; + return !clk ? NULL : clk->parent; } EXPORT_SYMBOL(clk_get_parent); diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c index 2d48b6a46166..d51ff8f1c541 100644 --- a/arch/avr32/mach-at32ap/extint.c +++ b/arch/avr32/mach-at32ap/extint.c @@ -128,9 +128,9 @@ static int eic_set_irq_type(struct irq_data *d, unsigned int flow_type) irqd_set_trigger_type(d, flow_type); if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) - __irq_set_handler_locked(irq, handle_level_irq); + irq_set_handler_locked(d, handle_level_irq); else - __irq_set_handler_locked(irq, handle_edge_irq); + irq_set_handler_locked(d, handle_edge_irq); return IRQ_SET_MASK_OK_NOCOPY; } diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c index 903c7d81d0d5..157a5e0e789f 100644 --- a/arch/avr32/mach-at32ap/pio.c +++ b/arch/avr32/mach-at32ap/pio.c @@ -286,7 +286,7 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) struct pio_device *pio = irq_desc_get_chip_data(desc); unsigned gpio_irq; - gpio_irq = (unsigned) irq_get_handler_data(irq); + gpio_irq = (unsigned) irq_desc_get_handler_data(desc); for (;;) { u32 isr; @@ -312,7 +312,6 @@ gpio_irq_setup(struct pio_device *pio, int irq, int gpio_irq) unsigned i; irq_set_chip_data(irq, pio); - irq_set_handler_data(irq, (void *)gpio_irq); for (i = 0; i < 32; i++, gpio_irq++) { irq_set_chip_data(gpio_irq, pio); @@ -320,7 +319,8 @@ gpio_irq_setup(struct pio_device *pio, int irq, int gpio_irq) handle_simple_irq); } - irq_set_chained_handler(irq, gpio_irq_handler); + irq_set_chained_handler_and_data(irq, gpio_irq_handler, + (void *)gpio_irq); } /*--------------------------------------------------------------------------*/ |
