Hi All,
I noticed this was missing from the spi-nor-tiny.c subsystem while trying to use an ISSI SPI flash device with the U-Boot SPL.
This patch will allow 4 byte addressing mode to be enabled with ISSI flash devices while inside the U-Boot SPL / using spi-nor-tiny.c.
Sincerely, Nathan
From 218e00fcaea8c5795e792af09f5d21fc19e3d831 Mon Sep 17 00:00:00 2001
From: Nathan Barrett-Morrison nathan.morrison@timesys.com Date: Wed, 26 Jan 2022 13:43:53 -0500 Subject: [PATCH] drivers: mtd: spi: Use correct 4 byte mode enablement for ISSI SPI flash devices alongside spi-nor-tiny.c subsystem
Signed-off-by: Nathan Barrett-Morrison nathan.morrison@timesys.com Cc: Jagan Teki jagan@amarulasolutions.com Cc: Vignesh R vigneshr@ti.com CC: Tom Rini trini@konsulko.com --- drivers/mtd/spi/spi-nor-tiny.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/mtd/spi/spi-nor-tiny.c b/drivers/mtd/spi/spi-nor-tiny.c index 68152ce3b4..130917aaa8 100644 --- a/drivers/mtd/spi/spi-nor-tiny.c +++ b/drivers/mtd/spi/spi-nor-tiny.c @@ -219,6 +219,7 @@ static inline int set_4byte(struct spi_nor *nor, const struct flash_info *info, case SNOR_MFR_MICRON: /* Some Micron need WREN command; all will accept it */ need_wren = true; + case SNOR_MFR_ISSI: case SNOR_MFR_MACRONIX: case SNOR_MFR_WINBOND: if (need_wren)