From 08bf1663c21a3e815eda28fa242d84c945ca3b94 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bence=20Cs=C3=B3k=C3=A1s?= Date: Tue, 10 Jun 2025 10:22:53 +0200 Subject: dmaengine: Add devm_dma_request_chan() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Expand the arsenal of devm functions for DMA devices, this time for requesting channels. Signed-off-by: Bence Csókás Link: https://lore.kernel.org/r/20250610082256.400492-2-csokas.bence@prolan.hu Signed-off-by: Vinod Koul --- include/linux/dmaengine.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/linux') diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index bb146c5ac3e4..6de7c05d6bd8 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -1524,6 +1524,7 @@ struct dma_chan *__dma_request_channel(const dma_cap_mask_t *mask, struct dma_chan *dma_request_chan(struct device *dev, const char *name); struct dma_chan *dma_request_chan_by_mask(const dma_cap_mask_t *mask); +struct dma_chan *devm_dma_request_chan(struct device *dev, const char *name); void dma_release_channel(struct dma_chan *chan); int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps); @@ -1560,6 +1561,12 @@ static inline struct dma_chan *dma_request_chan_by_mask( { return ERR_PTR(-ENODEV); } + +static inline struct dma_chan *devm_dma_request_chan(struct device *dev, const char *name) +{ + return ERR_PTR(-ENODEV); +} + static inline void dma_release_channel(struct dma_chan *chan) { } -- cgit v1.2.3 From 0dc7e656ddd54c3267b7cc18c1ac8ec1297ed02f Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Wed, 2 Jul 2025 14:35:23 +0200 Subject: mtd: nand: qpic-common: add defines for ECC_MODE values Add defines for the values of the ECC_MODE field of the NAND_DEV0_ECC_CFG register and change both the 'qcom-nandc' and 'spi-qpic-snand' drivers to use those instead of magic numbers. No functional changes. This is in preparation for adding 8 bit ECC strength support for the 'spi-qpic-snand' driver. Reviewed-by: Md Sadre Alam Signed-off-by: Gabor Juhos Acked-by: Miquel Raynal Link: https://patch.msgid.link/20250702-qpic-snand-8bit-ecc-v2-1-ae2c17a30bb7@gmail.com Signed-off-by: Mark Brown --- include/linux/mtd/nand-qpic-common.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/mtd/nand-qpic-common.h b/include/linux/mtd/nand-qpic-common.h index e8462deda6db..0d944db363cd 100644 --- a/include/linux/mtd/nand-qpic-common.h +++ b/include/linux/mtd/nand-qpic-common.h @@ -101,6 +101,8 @@ #define ECC_SW_RESET BIT(1) #define ECC_MODE 4 #define ECC_MODE_MASK GENMASK(5, 4) +#define ECC_MODE_4BIT 0 +#define ECC_MODE_8BIT 1 #define ECC_PARITY_SIZE_BYTES_BCH 8 #define ECC_PARITY_SIZE_BYTES_BCH_MASK GENMASK(12, 8) #define ECC_NUM_DATA_BYTES 16 -- cgit v1.2.3