Enable QE bit for ISSI flash chips.

QE enablement logic is similar to what Macronix has, so reuse the existing code itself.

Signed-off-by: Pragnesh Patel pragnesh.patel@sifive.com --- drivers/mtd/spi/spi-nor-core.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index 1e3f51d2ac..fdcd830ce4 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -1291,7 +1291,7 @@ write_err: return ret; }

-#ifdef CONFIG_SPI_FLASH_MACRONIX +#if defined(CONFIG_SPI_FLASH_MACRONIX) || defined(CONFIG_SPI_FLASH_ISSI) /** * macronix_quad_enable() - set QE bit in Status Register. * @nor: pointer to a 'struct spi_nor' @@ -1969,7 +1969,7 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, params->quad_enable = spansion_no_read_cr_quad_enable; break; #endif -#ifdef CONFIG_SPI_FLASH_MACRONIX +#if defined(CONFIG_SPI_FLASH_MACRONIX) || defined(CONFIG_SPI_FLASH_ISSI) case BFPT_DWORD15_QER_SR1_BIT6: params->quad_enable = macronix_quad_enable; break; @@ -2206,8 +2206,9 @@ static int spi_nor_init_params(struct spi_nor *nor, if (params->hwcaps.mask & (SNOR_HWCAPS_READ_QUAD | SNOR_HWCAPS_PP_QUAD)) { switch (JEDEC_MFR(info)) { -#ifdef CONFIG_SPI_FLASH_MACRONIX +#if defined(CONFIG_SPI_FLASH_MACRONIX) || defined(CONFIG_SPI_FLASH_ISSI) case SNOR_MFR_MACRONIX: + case SNOR_MFR_ISSI: params->quad_enable = macronix_quad_enable; break; #endif