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mtd: spi-nor-core: Default to addr_width of 3 for configurable widths

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JESD216D-01 mentions that "defaults to 3-Byte mode; enters 4-Byte mode on
command."

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Takahiro Kuwano 2022-09-01 15:05:30 +09:00 committed by Jagan Teki
parent de9e8378a8
commit ee1c709cfd
1 changed files with 1 additions and 0 deletions
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1
drivers/mtd/spi/spi-nor-core.c
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@ -2236,6 +2236,7 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor,
/* Number of address bytes. */ /* Number of address bytes. */
switch (bfpt.dwords[BFPT_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) { switch (bfpt.dwords[BFPT_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) {
case BFPT_DWORD1_ADDRESS_BYTES_3_ONLY: case BFPT_DWORD1_ADDRESS_BYTES_3_ONLY:
case BFPT_DWORD1_ADDRESS_BYTES_3_OR_4:
nor->addr_width = 3; nor->addr_width = 3;
break; break;