[PATCH 2/2] mtd: mxc_nand: use __iowrite32_copy for 32 bit copy

Vinod Koul
2014-10-20T16:45:45Z

The driver was also using own method to do 32bit copy, turns out
we have a kernel API so use that instead

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---
drivers/mtd/nand/mxc_nand.c | 10 +++-------
1 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index dba262b..3794cd7 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -280,14 +280,10 @@ static void memcpy32_fromio(void *trg, const void __iomem *src, size_t size)
*t++ = __raw_readl(s++);
}

-static void memcpy32_toio(void __iomem *trg, const void *src, int size)
+static inline void memcpy32_toio(void __iomem *trg, const void *src, int size)
{
- int i;
- u32 __iomem *t = trg;
- const u32 *s = src;
-
- for (i = 0; i < (size >> 2); i++)
- __raw_writel(*s++, t++);
+ /* __iowrite32_copy use 32bit size values so divide by 4 */
+ __iowrite32_copy(trg, src, size/4);
}

static int check_int_v3(struct mxc_nand_host *host)
--
1.7.0.4