diff options
Diffstat (limited to 'drivers/dma/dw-edma')
-rw-r--r-- | drivers/dma/dw-edma/dw-edma-v0-core.c | 32 |
1 files changed, 6 insertions, 26 deletions
diff --git a/drivers/dma/dw-edma/dw-edma-v0-core.c b/drivers/dma/dw-edma/dw-edma-v0-core.c index 13f40560571b..6bcc57512258 100644 --- a/drivers/dma/dw-edma/dw-edma-v0-core.c +++ b/drivers/dma/dw-edma/dw-edma-v0-core.c @@ -8,6 +8,8 @@ #include <linux/bitfield.h> +#include <linux/io-64-nonatomic-lo-hi.h> + #include "dw-edma-core.h" #include "dw-edma-v0-core.h" #include "dw-edma-v0-regs.h" @@ -53,8 +55,6 @@ static inline struct dw_edma_v0_regs __iomem *__dw_regs(struct dw_edma *dw) SET_32(dw, rd_##name, value); \ } while (0) -#ifdef CONFIG_64BIT - #define SET_64(dw, name, value) \ writeq(value, &(__dw_regs(dw)->name)) @@ -80,8 +80,6 @@ static inline struct dw_edma_v0_regs __iomem *__dw_regs(struct dw_edma *dw) SET_64(dw, rd_##name, value); \ } while (0) -#endif /* CONFIG_64BIT */ - #define SET_COMPAT(dw, name, value) \ writel(value, &(__dw_regs(dw)->type.unroll.name)) @@ -164,8 +162,6 @@ static inline u32 readl_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch, #define SET_LL_32(ll, value) \ writel(value, ll) -#ifdef CONFIG_64BIT - static inline void writeq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch, u64 value, void __iomem *addr) { @@ -225,8 +221,6 @@ static inline u64 readq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch, #define SET_LL_64(ll, value) \ writeq(value, ll) -#endif /* CONFIG_64BIT */ - /* eDMA management callbacks */ void dw_edma_v0_core_off(struct dw_edma *dw) { @@ -325,19 +319,10 @@ static void dw_edma_v0_core_write_chunk(struct dw_edma_chunk *chunk) /* Transfer size */ SET_LL_32(&lli[i].transfer_size, child->sz); /* SAR */ - #ifdef CONFIG_64BIT - SET_LL_64(&lli[i].sar.reg, child->sar); - #else /* CONFIG_64BIT */ - SET_LL_32(&lli[i].sar.lsb, lower_32_bits(child->sar)); - SET_LL_32(&lli[i].sar.msb, upper_32_bits(child->sar)); - #endif /* CONFIG_64BIT */ + SET_LL_64(&lli[i].sar.reg, child->sar); /* DAR */ - #ifdef CONFIG_64BIT - SET_LL_64(&lli[i].dar.reg, child->dar); - #else /* CONFIG_64BIT */ - SET_LL_32(&lli[i].dar.lsb, lower_32_bits(child->dar)); - SET_LL_32(&lli[i].dar.msb, upper_32_bits(child->dar)); - #endif /* CONFIG_64BIT */ + SET_LL_64(&lli[i].dar.reg, child->dar); + i++; } @@ -349,12 +334,7 @@ static void dw_edma_v0_core_write_chunk(struct dw_edma_chunk *chunk) /* Channel control */ SET_LL_32(&llp->control, control); /* Linked list */ - #ifdef CONFIG_64BIT - SET_LL_64(&llp->llp.reg, chunk->ll_region.paddr); - #else /* CONFIG_64BIT */ - SET_LL_32(&llp->llp.lsb, lower_32_bits(chunk->ll_region.paddr)); - SET_LL_32(&llp->llp.msb, upper_32_bits(chunk->ll_region.paddr)); - #endif /* CONFIG_64BIT */ + SET_LL_64(&llp->llp.reg, chunk->ll_region.paddr); } void dw_edma_v0_core_start(struct dw_edma_chunk *chunk, bool first) |