6748f466a3 made NAND_ECC_HW_SYNDROME mode optional by bailing out
with -ENOSYS when the mode is not enabled in Kconfig. Unfortunately
with NAND_ECC_HW mode the code falls through to this test, so with
NAND_ECC_HW_SYNDROME support disabled NAND_ECC_HW stopped working as
well. Fix this.
fixes: 6748f466a3 ("mtd: nand: Make support for syndrome hardware ecc optional")
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/mtd/nand/nand_base.c | 35 ++++++++++++++++++-----------------
1 file changed, 18 insertions(+), 17 deletions(-)
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 427aa7f0ec..b37017372f 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -5622,10 +5622,6 @@ int nand_scan_tail(struct nand_chip *chip)
if (!ecc->write_subpage && ecc->hwctl && ecc->calculate)
ecc->write_subpage = nand_write_subpage_hwecc;
case NAND_ECC_HW_SYNDROME:
- if (!IS_ENABLED(CONFIG_NAND_ECC_HW_SYNDROME)) {
- ret = -ENOSYS;
- goto err_nand_manuf_cleanup;
- }
if ((!ecc->calculate || !ecc->correct || !ecc->hwctl) &&
(!ecc->read_page ||
ecc->read_page == nand_read_page_hwecc ||
@@ -5635,19 +5631,24 @@ int nand_scan_tail(struct nand_chip *chip)
ret = -EINVAL;
goto err_nand_manuf_cleanup;
}
- /* Use standard syndrome read/write page function? */
- if (!ecc->read_page)
- ecc->read_page = nand_read_page_syndrome;
- if (!ecc->write_page)
- ecc->write_page = nand_write_page_syndrome;
- if (!ecc->read_page_raw)
- ecc->read_page_raw = nand_read_page_raw_syndrome;
- if (!ecc->write_page_raw)
- ecc->write_page_raw = nand_write_page_raw_syndrome;
- if (!ecc->read_oob)
- ecc->read_oob = nand_read_oob_syndrome;
- if (!ecc->write_oob)
- ecc->write_oob = nand_write_oob_syndrome;
+ if (IS_ENABLED(CONFIG_NAND_ECC_HW_SYNDROME)) {
+ /* Use standard syndrome read/write page function? */
+ if (!ecc->read_page)
+ ecc->read_page = nand_read_page_syndrome;
+ if (!ecc->write_page)
+ ecc->write_page = nand_write_page_syndrome;
+ if (!ecc->read_page_raw)
+ ecc->read_page_raw = nand_read_page_raw_syndrome;
+ if (!ecc->write_page_raw)
+ ecc->write_page_raw = nand_write_page_raw_syndrome;
+ if (!ecc->read_oob)
+ ecc->read_oob = nand_read_oob_syndrome;
+ if (!ecc->write_oob)
+ ecc->write_oob = nand_write_oob_syndrome;
+ } else if (ecc->mode == NAND_ECC_HW_SYNDROME) {
+ ret = -ENOSYS;
+ goto err_nand_manuf_cleanup;
+ }
if (mtd->writesize >= ecc->size) {
if (!ecc->strength) {
--
2.20.1
_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox
