mtd: mxc_nand: use __iowrite32_copy for 32 bit copy

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>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

1 files changed, 3 insertions, 7 deletions

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index dba262bf766f..23e075428dc4 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)