diff options
| -rw-r--r-- | drivers/mtd/spi/sf_ops.c | 8 | ||||
| -rw-r--r-- | include/spi.h | 3 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c index 38592f518b..900ec1f2a9 100644 --- a/drivers/mtd/spi/sf_ops.c +++ b/drivers/mtd/spi/sf_ops.c @@ -14,6 +14,7 @@ #include <spi.h> #include <spi_flash.h> #include <watchdog.h> +#include <linux/compiler.h> #include "sf_internal.h" @@ -378,6 +379,11 @@ int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd, return ret; } +void __weak spi_flash_copy_mmap(void *data, void *offset, size_t len) +{ + memcpy(data, offset, len); +} + int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset, size_t len, void *data) { @@ -394,7 +400,7 @@ int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset, return ret; } spi_xfer(flash->spi, 0, NULL, NULL, SPI_XFER_MMAP); - memcpy(data, flash->memory_map + offset, len); + spi_flash_copy_mmap(data, flash->memory_map + offset, len); spi_xfer(flash->spi, 0, NULL, NULL, SPI_XFER_MMAP_END); spi_release_bus(flash->spi); return 0; diff --git a/include/spi.h b/include/spi.h index 18362364cf..51fdfd6d73 100644 --- a/include/spi.h +++ b/include/spi.h @@ -272,6 +272,9 @@ int spi_set_wordlen(struct spi_slave *slave, unsigned int wordlen); int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, void *din, unsigned long flags); +/* Copy memory mapped data */ +void spi_flash_copy_mmap(void *data, void *offset, size_t len); + /** * Determine if a SPI chipselect is valid. * This function is provided by the board if the low-level SPI driver |