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author | Gabor Juhos <juhosg@openwrt.org> | 2012-02-10 11:53:56 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2012-02-10 11:53:56 +0000 |
commit | 32a18a05f8998202a4ea55030853571a46de2dc0 (patch) | |
tree | 16f1ca2a2fc1a9334b40b0cd8f59639263ee0c27 /target/linux/ar71xx/patches-3.3/403-mtd_fix_cfi_cmdset_0002_status_check.patch | |
parent | 512df38f5cb2b9a34b71ec674a4ae9bf2e769597 (diff) | |
download | upstream-32a18a05f8998202a4ea55030853571a46de2dc0.tar.gz upstream-32a18a05f8998202a4ea55030853571a46de2dc0.tar.bz2 upstream-32a18a05f8998202a4ea55030853571a46de2dc0.zip |
ar71xx: add preliminary support for 3.3
SVN-Revision: 30410
Diffstat (limited to 'target/linux/ar71xx/patches-3.3/403-mtd_fix_cfi_cmdset_0002_status_check.patch')
-rw-r--r-- | target/linux/ar71xx/patches-3.3/403-mtd_fix_cfi_cmdset_0002_status_check.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.3/403-mtd_fix_cfi_cmdset_0002_status_check.patch b/target/linux/ar71xx/patches-3.3/403-mtd_fix_cfi_cmdset_0002_status_check.patch new file mode 100644 index 0000000000..9ed059822b --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/403-mtd_fix_cfi_cmdset_0002_status_check.patch @@ -0,0 +1,69 @@ +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -1214,8 +1214,8 @@ static int __xipram do_write_oneword(str + break; + } + +- if (chip_ready(map, adr)) +- break; ++ if (chip_good(map, adr, datum)) ++ goto enable_xip; + + /* Latency issues. Drop the lock, wait a while and retry */ + UDELAY(map, chip, adr, 1); +@@ -1231,6 +1231,8 @@ static int __xipram do_write_oneword(str + + ret = -EIO; + } ++ ++ enable_xip: + xip_enable(map, chip, adr); + op_done: + chip->state = FL_READY; +@@ -1563,7 +1565,6 @@ static int cfi_amdstd_write_buffers(stru + return 0; + } + +- + /* + * Handle devices with one erase region, that only implement + * the chip erase command. +@@ -1627,8 +1628,8 @@ static int __xipram do_erase_chip(struct + chip->erase_suspended = 0; + } + +- if (chip_ready(map, adr)) +- break; ++ if (chip_good(map, adr, map_word_ff(map))) ++ goto op_done; + + if (time_after(jiffies, timeo)) { + printk(KERN_WARNING "MTD %s(): software timeout\n", +@@ -1648,6 +1649,7 @@ static int __xipram do_erase_chip(struct + ret = -EIO; + } + ++ op_done: + chip->state = FL_READY; + xip_enable(map, chip, adr); + put_chip(map, chip, adr); +@@ -1715,9 +1717,9 @@ static int __xipram do_erase_oneblock(st + chip->erase_suspended = 0; + } + +- if (chip_ready(map, adr)) { ++ if (chip_good(map, adr, map_word_ff(map))) { + xip_enable(map, chip, adr); +- break; ++ goto op_done; + } + + if (time_after(jiffies, timeo)) { +@@ -1739,6 +1741,7 @@ static int __xipram do_erase_oneblock(st + ret = -EIO; + } + ++ op_done: + chip->state = FL_READY; + put_chip(map, chip, adr); + mutex_unlock(&chip->mutex); |