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authorRafał Miłecki <zajec5@gmail.com>2015-02-23 22:59:53 +0000
committerRafał Miłecki <zajec5@gmail.com>2015-02-23 22:59:53 +0000
commit8f979de5a1b78dc4a4a0eb31b6ee33a46cd05405 (patch)
tree5039fd0ff8cfb7e66fbbc575c9cf8dacf62eeb17 /target/linux/generic/patches-4.0/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch
parentd3d69d8a8cee37835d99487e65bb5156ef916dc5 (diff)
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generic: early (incomplete!) 4.0 support
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44511 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-4.0/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch')
-rw-r--r--target/linux/generic/patches-4.0/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch37
1 files changed, 37 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.0/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch b/target/linux/generic/patches-4.0/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch
new file mode 100644
index 0000000000..ffaf70696e
--- /dev/null
+++ b/target/linux/generic/patches-4.0/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch
@@ -0,0 +1,37 @@
+---
+ drivers/mtd/nand/plat_nand.c | 13 ++++++++++++-
+ include/linux/mtd/nand.h | 1 +
+ 2 files changed, 13 insertions(+), 1 deletion(-)
+
+--- a/include/linux/mtd/nand.h
++++ b/include/linux/mtd/nand.h
+@@ -865,6 +865,7 @@ struct platform_nand_chip {
+ unsigned int options;
+ unsigned int bbt_options;
+ const char **part_probe_types;
++ int (*chip_fixup)(struct mtd_info *mtd);
+ };
+
+ /* Keep gcc happy */
+--- a/drivers/mtd/nand/plat_nand.c
++++ b/drivers/mtd/nand/plat_nand.c
+@@ -90,7 +90,18 @@ static int plat_nand_probe(struct platfo
+ }
+
+ /* Scan to find existence of the device */
+- if (nand_scan(&data->mtd, pdata->chip.nr_chips)) {
++ if (nand_scan_ident(&data->mtd, pdata->chip.nr_chips, NULL)) {
++ err = -ENXIO;
++ goto out;
++ }
++
++ if (pdata->chip.chip_fixup) {
++ err = pdata->chip.chip_fixup(&data->mtd);
++ if (err)
++ goto out;
++ }
++
++ if (nand_scan_tail(&data->mtd)) {
+ err = -ENXIO;
+ goto out;
+ }