From 1f330c3279004dd83fcbac5669a858366c51e058 Mon Sep 17 00:00:00 2001 From: Stephen Boyd Date: Wed, 20 Jan 2016 14:58:41 -0800 Subject: drivers/firmware/broadcom/bcm47xx_nvram.c: use __ioread32_copy() instead of open-coding Now that we have a generic library function for this, replace the open-coded instance. Signed-off-by: Stephen Boyd Cc: Hauke Mehrtens Cc: Cc: Paul Walmsley Cc: Bjorn Andersson Cc: David Howells Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/firmware/broadcom/bcm47xx_nvram.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) (limited to 'drivers/firmware/broadcom') diff --git a/drivers/firmware/broadcom/bcm47xx_nvram.c b/drivers/firmware/broadcom/bcm47xx_nvram.c index e41594510b97..0c2f0a61b0ea 100644 --- a/drivers/firmware/broadcom/bcm47xx_nvram.c +++ b/drivers/firmware/broadcom/bcm47xx_nvram.c @@ -56,9 +56,7 @@ static u32 find_nvram_size(void __iomem *end) static int nvram_find_and_copy(void __iomem *iobase, u32 lim) { struct nvram_header __iomem *header; - int i; u32 off; - u32 *src, *dst; u32 size; if (nvram_len) { @@ -95,10 +93,7 @@ static int nvram_find_and_copy(void __iomem *iobase, u32 lim) return -ENXIO; found: - src = (u32 *)header; - dst = (u32 *)nvram_buf; - for (i = 0; i < sizeof(struct nvram_header); i += 4) - *dst++ = __raw_readl(src++); + __ioread32_copy(nvram_buf, header, sizeof(*header) / 4); header = (struct nvram_header *)nvram_buf; nvram_len = header->len; if (nvram_len > size) { @@ -111,8 +106,8 @@ found: nvram_len = NVRAM_SPACE - 1; } /* proceed reading data after header */ - for (; i < nvram_len; i += 4) - *dst++ = readl(src++); + __ioread32_copy(nvram_buf + sizeof(*header), header + 1, + DIV_ROUND_UP(nvram_len, 4)); nvram_buf[NVRAM_SPACE - 1] = '\0'; return 0; -- cgit v1.2.3