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sf: ops: Add spi_flash_copy_mmap function

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When doing a memory mapped copy we may have DMA available and thus need
to have this copy abstracted so that the driver can do it, rather than a
simple memcpy.

Signed-off-by: Tom Rini <trini@ti.com>
Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
This commit is contained in:
Tom Rini
2015-08-17 13:29:54 +05:30
committed by Jagan Teki
parent 5b3b0d687e
commit 146bad9619
2 changed files with 10 additions and 1 deletions
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3
include/spi.h
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@@ -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