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authorStephen Boyd <sboyd@codeaurora.org>2016-01-21 01:58:41 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-21 04:09:18 +0300
commit1f330c3279004dd83fcbac5669a858366c51e058 (patch)
tree30860ee9f3eac4d6aa1b1ee165302fb3690ca8ea /drivers/firmware
parentc431e678127578c1b86fe976556d79dd669ad953 (diff)
downloadlinux-1f330c3279004dd83fcbac5669a858366c51e058.tar.xz
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 <sboyd@codeaurora.org> Cc: Hauke Mehrtens <hauke@hauke-m.de> Cc: <zajec5@gmail.com> Cc: Paul Walmsley <paul@pwsan.com> Cc: Bjorn Andersson <bjorn.andersson@sonymobile.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/broadcom/bcm47xx_nvram.c11
1 files changed, 3 insertions, 8 deletions
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;