openwrt_archive/target/linux/generic/patches-4.1/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch
Jonas Gorski e4528126de generic: add linux 4.1 support
Boot tested: http://pastebin.com/L6aAb9xj

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
[jogo:
  update to 4.1 final
  add patches added since submission
  delete patches applied in later rcs
  restore commit messages in 220-gc-sections and 304-mips_disable_fpu
  fix 050-backport_netfilter_rtcache to match new API
  update inlined dma ops with upstream changes
  add missing config symbols
  enabled CONFIG_MULTIUSER
  update kmod defintions for 4.1
]
Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 46112
2015-06-22 12:27:59 +00:00

38 lines
925 B
Diff

---
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;
}