From 1634d3083579a0f228fbe337f20fec0e196d36b2 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 22 Sep 2016 09:31:04 +0300 Subject: dmaengine: edma: Rename set_bits and remove unused clear_bits helper The clear_bits() helper is not used by the driver so it can be removed. powerpc architecture defines the set_bits() in arch/powerpc/include/asm/bitops.h which results failed compile testing on powerpc architecture: >> drivers/dma/edma.c:415:20: error: conflicting types for 'set_bits' static inline void set_bits(int offset, int len, unsigned long *p) ^~~~~~~~ In file included from include/linux/bitops.h:36:0, from include/linux/kernel.h:10, from include/linux/list.h:8, from include/linux/kobject.h:20, from include/linux/device.h:17, from include/linux/dmaengine.h:20, from drivers/dma/edma.c:16: arch/powerpc/include/asm/bitops.h:75:14: note: previous definition of 'set_bits' was here DEFINE_BITOP(set_bits, or, "") ^ arch/powerpc/include/asm/bitops.h:58:24: note: in definition of macro 'DEFINE_BITOP' static __inline__ void fn(unsigned long mask, \ ^~ >> drivers/dma/edma.c:421:20: error: conflicting types for 'clear_bits' static inline void clear_bits(int offset, int len, unsigned long *p) ^~~~~~~~~~ In file included from include/linux/bitops.h:36:0, from include/linux/kernel.h:10, from include/linux/list.h:8, from include/linux/kobject.h:20, from include/linux/device.h:17, from include/linux/dmaengine.h:20, from drivers/dma/edma.c:16: arch/powerpc/include/asm/bitops.h:76:14: note: previous definition of 'clear_bits' was here DEFINE_BITOP(clear_bits, andc, "") ^ arch/powerpc/include/asm/bitops.h:58:24: note: in definition of macro 'DEFINE_BITOP' static __inline__ void fn(unsigned long mask, \ ^~ Signed-off-by: Peter Ujfalusi Signed-off-by: Vinod Koul --- drivers/dma/edma.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) (limited to 'drivers/dma/edma.c') diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 4f00db34db98..844e87b3bffc 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -412,18 +412,12 @@ static inline void edma_param_or(struct edma_cc *ecc, int offset, int param_no, edma_or(ecc, EDMA_PARM + offset + (param_no << 5), or); } -static inline void set_bits(int offset, int len, unsigned long *p) +static inline void edma_set_bits(int offset, int len, unsigned long *p) { for (; len > 0; len--) set_bit(offset + (len - 1), p); } -static inline void clear_bits(int offset, int len, unsigned long *p) -{ - for (; len > 0; len--) - clear_bit(offset + (len - 1), p); -} - static void edma_assign_priority_to_queue(struct edma_cc *ecc, int queue_no, int priority) { @@ -2266,7 +2260,7 @@ static int edma_probe(struct platform_device *pdev) for (i = 0; rsv_slots[i][0] != -1; i++) { off = rsv_slots[i][0]; ln = rsv_slots[i][1]; - set_bits(off, ln, ecc->slot_inuse); + edma_set_bits(off, ln, ecc->slot_inuse); } } } -- cgit v1.2.3