diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.18/031-09-MIPS-BCM47XX-Don-t-try-guessing-NVRAM-size-on-MTD-pa.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.18/031-09-MIPS-BCM47XX-Don-t-try-guessing-NVRAM-size-on-MTD-pa.patch | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/target/linux/brcm47xx/patches-3.18/031-09-MIPS-BCM47XX-Don-t-try-guessing-NVRAM-size-on-MTD-pa.patch b/target/linux/brcm47xx/patches-3.18/031-09-MIPS-BCM47XX-Don-t-try-guessing-NVRAM-size-on-MTD-pa.patch deleted file mode 100644 index c40c8b7f89..0000000000 --- a/target/linux/brcm47xx/patches-3.18/031-09-MIPS-BCM47XX-Don-t-try-guessing-NVRAM-size-on-MTD-pa.patch +++ /dev/null @@ -1,75 +0,0 @@ -From 40d12172c8a5c2f3fc39642fc564b053575cd000 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> -Date: Wed, 1 Apr 2015 08:23:05 +0200 -Subject: [PATCH] MIPS: BCM47XX: Don't try guessing NVRAM size on MTD partition -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -When dealing with whole flash content (bcm47xx_nvram_init_from_mem) we -need to find NVRAM start trying various partition sizes (nvram_sizes). -This is not needed when using MTD as we have direct partition access. - -Signed-off-by: Rafał Miłecki <zajec5@gmail.com> -Cc: linux-mips@linux-mips.org -Cc: Hauke Mehrtens <hauke@hauke-m.de> -Patchwork: https://patchwork.linux-mips.org/patch/9652/ -Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---- - arch/mips/bcm47xx/nvram.c | 36 ++++++++++++++---------------------- - 1 file changed, 14 insertions(+), 22 deletions(-) - ---- a/arch/mips/bcm47xx/nvram.c -+++ b/arch/mips/bcm47xx/nvram.c -@@ -139,36 +139,28 @@ static int nvram_init(void) - struct mtd_info *mtd; - struct nvram_header header; - size_t bytes_read; -- int err, i; -+ int err; - - mtd = get_mtd_device_nm("nvram"); - if (IS_ERR(mtd)) - return -ENODEV; - -- for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) { -- loff_t from = mtd->size - nvram_sizes[i]; -- -- if (from < 0) -- continue; -+ err = mtd_read(mtd, 0, sizeof(header), &bytes_read, (uint8_t *)&header); -+ if (!err && header.magic == NVRAM_MAGIC) { -+ u8 *dst = (uint8_t *)nvram_buf; -+ size_t len = header.len; -+ -+ if (header.len > NVRAM_SPACE) { -+ pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n", -+ header.len, NVRAM_SPACE); -+ len = NVRAM_SPACE; -+ } - -- err = mtd_read(mtd, from, sizeof(header), &bytes_read, -- (uint8_t *)&header); -- if (!err && header.magic == NVRAM_MAGIC) { -- u8 *dst = (uint8_t *)nvram_buf; -- size_t len = header.len; -- -- if (header.len > NVRAM_SPACE) { -- pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n", -- header.len, NVRAM_SPACE); -- len = NVRAM_SPACE; -- } -- -- err = mtd_read(mtd, from, len, &bytes_read, dst); -- if (err) -- return err; -+ err = mtd_read(mtd, 0, len, &bytes_read, dst); -+ if (err) -+ return err; - -- return 0; -- } -+ return 0; - } - #endif - |