From 6b808e0864dbd492d33e7149fb1666bef7e56049 Mon Sep 17 00:00:00 2001 From: Pratyush Yadav Date: Sat, 26 Jun 2021 00:47:21 +0530 Subject: mtd: spi-nor-core: Enable octal DTR mode when possible Allow flashes to specify a hook to enable octal DTR mode. Use this hook whenever possible to get optimal transfer speeds. Signed-off-by: Pratyush Yadav Reviewed-by: Jagan Teki --- include/linux/mtd/spi-nor.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux/mtd') diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index 295583ed294..aae814f5574 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -477,6 +477,7 @@ struct spi_flash { * @flash_is_locked: [FLASH-SPECIFIC] check if a region of the SPI NOR is * completely locked * @quad_enable: [FLASH-SPECIFIC] enables SPI NOR quad mode + * @octal_dtr_enable: [FLASH-SPECIFIC] enables SPI NOR octal DTR mode. * @priv: the private data */ struct spi_nor { @@ -524,6 +525,7 @@ struct spi_nor { int (*flash_unlock)(struct spi_nor *nor, loff_t ofs, uint64_t len); int (*flash_is_locked)(struct spi_nor *nor, loff_t ofs, uint64_t len); int (*quad_enable)(struct spi_nor *nor); + int (*octal_dtr_enable)(struct spi_nor *nor); void *priv; /* Compatibility for spi_flash, remove once sf layer is merged with mtd */ -- cgit v1.2.3