diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/1091-mtd-spi-nor-change-return-value-of-read-write.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/1091-mtd-spi-nor-change-return-value-of-read-write.patch | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/target/linux/layerscape/patches-4.4/1091-mtd-spi-nor-change-return-value-of-read-write.patch b/target/linux/layerscape/patches-4.4/1091-mtd-spi-nor-change-return-value-of-read-write.patch deleted file mode 100644 index faa806e701..0000000000 --- a/target/linux/layerscape/patches-4.4/1091-mtd-spi-nor-change-return-value-of-read-write.patch +++ /dev/null @@ -1,82 +0,0 @@ -From 0a8079b232e9188ba267e37e20f192bed6c2b29b Mon Sep 17 00:00:00 2001 -From: Michal Suchanek <hramrach@gmail.com> -Date: Wed, 2 Dec 2015 10:38:19 +0000 -Subject: [PATCH 091/113] mtd: spi-nor: change return value of read/write - -Change the return value of spi-nor device read and write methods to -allow returning amount of data transferred and errors as -read(2)/write(2) does. - -Signed-off-by: Michal Suchanek <hramrach@gmail.com> -Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@freescale.com> ---- - drivers/mtd/devices/m25p80.c | 5 +++-- - drivers/mtd/spi-nor/fsl-quadspi.c | 5 +++-- - include/linux/mtd/spi-nor.h | 4 ++-- - 3 files changed, 8 insertions(+), 6 deletions(-) - ---- a/drivers/mtd/devices/m25p80.c -+++ b/drivers/mtd/devices/m25p80.c -@@ -73,7 +73,7 @@ static int m25p80_write_reg(struct spi_n - return spi_write(spi, flash->command, len + 1); - } - --static void m25p80_write(struct spi_nor *nor, loff_t to, size_t len, -+static ssize_t m25p80_write(struct spi_nor *nor, loff_t to, size_t len, - size_t *retlen, const u_char *buf) - { - struct m25p *flash = nor->priv; -@@ -101,6 +101,7 @@ static void m25p80_write(struct spi_nor - spi_sync(spi, &m); - - *retlen += m.actual_length - cmd_sz; -+ return 0; - } - - static inline unsigned int m25p80_rx_nbits(struct spi_nor *nor) -@@ -119,7 +120,7 @@ static inline unsigned int m25p80_rx_nbi - * Read an address range from the nor chip. The address range - * may be any size provided it is within the physical boundaries. - */ --static int m25p80_read(struct spi_nor *nor, loff_t from, size_t len, -+static ssize_t m25p80_read(struct spi_nor *nor, loff_t from, size_t len, - size_t *retlen, u_char *buf) - { - struct m25p *flash = nor->priv; ---- a/drivers/mtd/spi-nor/fsl-quadspi.c -+++ b/drivers/mtd/spi-nor/fsl-quadspi.c -@@ -868,7 +868,7 @@ static int fsl_qspi_write_reg(struct spi - return ret; - } - --static void fsl_qspi_write(struct spi_nor *nor, loff_t to, -+static ssize_t fsl_qspi_write(struct spi_nor *nor, loff_t to, - size_t len, size_t *retlen, const u_char *buf) - { - struct fsl_qspi *q = nor->priv; -@@ -878,9 +878,10 @@ static void fsl_qspi_write(struct spi_no - - /* invalid the data in the AHB buffer. */ - fsl_qspi_invalid(q); -+ return 0; - } - --static int fsl_qspi_read(struct spi_nor *nor, loff_t from, -+static ssize_t fsl_qspi_read(struct spi_nor *nor, loff_t from, - size_t len, size_t *retlen, u_char *buf) - { - struct fsl_qspi *q = nor->priv; ---- a/include/linux/mtd/spi-nor.h -+++ b/include/linux/mtd/spi-nor.h -@@ -170,9 +170,9 @@ struct spi_nor { - int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len); - int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len); - -- int (*read)(struct spi_nor *nor, loff_t from, -+ ssize_t (*read)(struct spi_nor *nor, loff_t from, - size_t len, size_t *retlen, u_char *read_buf); -- void (*write)(struct spi_nor *nor, loff_t to, -+ ssize_t (*write)(struct spi_nor *nor, loff_t to, - size_t len, size_t *retlen, const u_char *write_buf); - int (*erase)(struct spi_nor *nor, loff_t offs); - |