[PATCH 09/17] spi/spi.h: Add "mem" variable in spi master.

[Sourav Poddar]

Add "mem" variable in spi_master, which can be used to hold on the
memory mapped address.

Signed-off-by: Sourav Poddar <sourav.poddar at ti.com>
---
 include/linux/spi/spi.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 4be969a..72565ff 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -298,6 +298,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
  * @configure_from_slave: Used when SPI controller has registers which need
  *      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.
  * 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
@@ -432,6 +433,8 @@ struct spi_master {
 	void	(*put_buf)(struct spi_master *master);
 	void	(*configure_from_slave)(struct spi_device *spi, u8 *val);
 
+	void __iomem *mem;
+
 	/* gpio chip select */
 	int			*cs_gpios;
 };
-- 
1.7.1