提交 1f330c32 编写于 作者: S Stephen Boyd 提交者: Linus Torvalds

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: NStephen 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: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 c431e678
......@@ -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 @@ static int nvram_find_and_copy(void __iomem *iobase, u32 lim)
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;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册