Messages in this thread Patch in this message | | | From | Vinod Koul <> | Subject | [PATCH 2/2] mtd: mxc_nand: use __iowrite32_copy for 32 bit copy | Date | Mon, 20 Oct 2014 21:36:13 +0530 |
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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
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