From 7f81f566e520992987091c948109e071b816f118 Mon Sep 17 00:00:00 2001 From: Takahiro Kuwano Date: Tue, 11 Mar 2025 08:51:19 +0900 Subject: [PATCH] mtd: spi-nor: spansion: Use nor->addr_nbytes in octal DTR mode in RD_ANY_REG_OP BugLink: https://bugs.launchpad.net/bugs/2101915 [ Upstream commit b61c35e3404557779ec427c077f7a9f057bb053d ] In octal DTR mode, RD_ANY_REG_OP needs to use 4-byte address regardless of flash's internal address mode. Use nor->addr_nbytes which is set to 4 during setup. Fixes: eff9604390d6 ("mtd: spi-nor: spansion: add octal DTR support in RD_ANY_REG_OP") Signed-off-by: Takahiro Kuwano Link: https://lore.kernel.org/r/20241016000837.17951-1-Takahiro.Kuwano@infineon.com Signed-off-by: Tudor Ambarus Signed-off-by: Sasha Levin Signed-off-by: Koichiro Den Signed-off-by: Stefan Bader --- drivers/mtd/spi-nor/spansion.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index 6cc237c24e07..020994374ea1 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -106,6 +106,7 @@ static int cypress_nor_sr_ready_and_clear_reg(struct spi_nor *nor, u64 addr) int ret; if (nor->reg_proto == SNOR_PROTO_8_8_8_DTR) { + op.addr.nbytes = nor->addr_nbytes; op.dummy.nbytes = params->rdsr_dummy; op.data.nbytes = 2; }