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Subject[PATCH 1/2] net: eth: davinci_cpdma: 64-bit phys/dma_addr_t cleanup
Date
Silences the below warnings when building with ARM_LPAE enabled, which
gives longer dma_addr_t by default:

drivers/net/ethernet/ti/davinci_cpdma.c: In function 'cpdma_desc_pool_create':
drivers/net/ethernet/ti/davinci_cpdma.c:182:3: warning: passing argument 3 of 'dma_alloc_attrs' from incompatible pointer type [enabled by default]
drivers/net/ethernet/ti/davinci_cpdma.c: In function 'desc_phys':
drivers/net/ethernet/ti/davinci_cpdma.c:222:25: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
drivers/net/ethernet/ti/davinci_cpdma.c:223:8: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]

Signed-off-by: Olof Johansson <olof@lixom.net>
---
drivers/net/ethernet/ti/davinci_cpdma.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
index 90a7946..b041a87 100644
--- a/drivers/net/ethernet/ti/davinci_cpdma.c
+++ b/drivers/net/ethernet/ti/davinci_cpdma.c
@@ -81,7 +81,7 @@ struct cpdma_desc {
};

struct cpdma_desc_pool {
- u32 phys;
+ phys_addr_t phys;
u32 hw_addr;
void __iomem *iomap; /* ioremap map */
void *cpumap; /* dma_alloc map */
@@ -219,8 +219,7 @@ static inline dma_addr_t desc_phys(struct cpdma_desc_pool *pool,
{
if (!desc)
return 0;
- return pool->hw_addr + (__force dma_addr_t)desc -
- (__force dma_addr_t)pool->iomap;
+ return pool->hw_addr + (__force long)desc - (__force long)pool->iomap;
}

static inline struct cpdma_desc __iomem *
--
1.7.10.4


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