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mtd: spinand: Use the spi-mem dirmap API

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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 <bbrezillon@kernel.org> with additional
fixes taken from Linux 6.10.

Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
This commit is contained in:
Mikhail Kshevetskiy
2025-09-30 03:20:47 +03:00
committed by Michael Trimarchi
parent ce6a23e7e8
commit aecd0bd412
2 changed files with 95 additions and 97 deletions
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7
include/linux/mtd/spinand.h
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@@ -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;