Remove unnecessary IRQ ack functions

m-labs · May 22, 2012 · 125d571 · 125d571 · skoulik · Jul 3, 2012
1 parent 70e99b2
commit 125d571
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diff --git a/arch/lm32/include/asm/irq.h b/arch/lm32/include/asm/irq.h
@@ -38,10 +38,4 @@ static inline uint32_t lm32_irq_pending(void)
 	return ip;
 }
 
-static inline void lm32_irq_ack(unsigned int irq)
-{
-	uint32_t mask = (1 << irq);
-	__asm__ __volatile__("wcsr IP, %0" : : "r"(mask) );
-}
-
 #endif /* _LM32_ASM_IRQ_H_ */
diff --git a/arch/lm32/kernel/irq.c b/arch/lm32/kernel/irq.c
@@ -37,31 +37,9 @@ static void lm32_pic_irq_unmask(struct irq_data *data)
 			     : "=&r"(im) : "r"(mask));
 }
 
-static void lm32_pic_irq_ack(struct irq_data *data)
-{
-	uint32_t mask = lm32_pic_get_irq_mask(data);
-
-	__asm__ __volatile__("wcsr IP, %0" : : "r"(mask));
-}
-
-static void lm32_pic_irq_mask_ack(struct irq_data *data)
-{
-	uint32_t mask = lm32_pic_get_irq_mask(data);
-	uint32_t im;
-
-	__asm__ __volatile__("rcsr %0, IM\n"
-			     "not %0, %0\n"
-			     "nor %0, %0, %1\n"
-			     "wcsr IM, %0\n"
-			     "wcsr IP, %1\n"
-			     : "=&r"(im) : "r"(mask) );
-}
-
 static struct irq_chip lm32_irq_chip = {
 	.name		= "LM32 PIC",
-	.irq_ack	= lm32_pic_irq_ack,
 	.irq_mask	= lm32_pic_irq_mask,
-	.irq_mask_ack	= lm32_pic_irq_mask_ack,
 	.irq_unmask	= lm32_pic_irq_unmask,
 };
 

diff --git a/arch/lm32/platforms/milkymist/early_printk.c b/arch/lm32/platforms/milkymist/early_printk.c
@@ -33,7 +33,6 @@
 #include <linux/console.h>
 #include <linux/init.h>
 #include <linux/string.h>
-#include <asm/irq.h>
 #include <linux/io.h>
 
 #define UART_RXTX		((void *)0xe0000000)