diff options
Diffstat (limited to 'drivers/firmware/broadcom/bcm47xx_nvram.c')
| -rw-r--r-- | drivers/firmware/broadcom/bcm47xx_nvram.c | 11 |
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; |