From aecd0bd41237ef0a8852683c848865d514de3fa5 Mon Sep 17 00:00:00 2001 From: Mikhail Kshevetskiy Date: Tue, 30 Sep 2025 03:20:47 +0300 Subject: mtd: spinand: Use the spi-mem dirmap API Make use of the spi-mem direct mapping API to let advanced controllers optimize read/write operations when they support direct mapping. Based on a linux commit 981d1aa0697c ("mtd: spinand: Use the spi-mem dirmap API") created by Boris Brezillon with additional fixes taken from Linux 6.10. Signed-off-by: Mikhail Kshevetskiy Reviewed-by: Frieder Schrempf Signed-off-by: Michael Trimarchi --- include/linux/mtd/spinand.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/linux') diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 6fe6fd520a4..163269313f6 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -363,6 +363,11 @@ struct spinand_info { __VA_ARGS__ \ } +struct spinand_dirmap { + struct spi_mem_dirmap_desc *wdesc; + struct spi_mem_dirmap_desc *rdesc; +}; + /** * struct spinand_device - SPI NAND device instance * @base: NAND device instance @@ -406,6 +411,8 @@ struct spinand_device { const struct spi_mem_op *update_cache; } op_templates; + struct spinand_dirmap *dirmaps; + int (*select_target)(struct spinand_device *spinand, unsigned int target); unsigned int cur_target; -- cgit v1.2.3