Add "mmap" flag which can be used to show that the master
controller supports memory mapped operations.
Signed-off-by: Sourav Poddar <sourav.poddar@xxxxxx>
---
include/linux/spi/spi.h | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 72565ff..9425ea4 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -299,6 +299,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
* to be configured from slave specifics information(typical use case for
* SPI flash device).
* @mem: memory mapped address to be filled by master controller driver.
+ * @mmap: Shows that master controller supports memory mapped operation.
* Each SPI master controller can communicate with one or more @spi_device
* children. These make a small bus, sharing MOSI, MISO and SCK signals
* but not chip select signals. Each device may be configured to use a
@@ -437,6 +438,7 @@ struct spi_master {
/* gpio chip select */
int *cs_gpios;
+ bool mmap;
};
static inline void *spi_master_get_devdata(struct spi_master *master)
--
1.7.1
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