[Patch] Add spi full duplex mode transfer support

["Luke Yang" <luke.adi@gmail.com>]

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Hi all,

   To enable full duplex mode spi transfer in Blackfin spi master
driver, I need an extra field in spi_transfer structure. Attached the
right format patch.

Signed-off-by: Luke Yang <luke.adi@gmail.com>

 spi.h |    1 +
 1 files changed, 1 insertion(+)

diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index c8bb680..99816eb 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -331,6 +331,7 @@ struct spi_transfer {
        dma_addr_t      rx_dma;

        unsigned        cs_change:1;
+       unsigned        is_duplex:1;
        u8              bits_per_word;
        u16             delay_usecs;
        u32             speed_hz;

-- 
Best regards,
Luke Yang
luke.adi@gmail.com

[-- Attachment #2: spi_full_duplex.patch --]
[-- Type: text/x-patch, Size: 331 bytes --]

diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index c8bb680..99816eb 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -331,6 +331,7 @@ struct spi_transfer {
 	dma_addr_t	rx_dma;
 
 	unsigned	cs_change:1;
+	unsigned        is_duplex:1;
 	u8		bits_per_word;
 	u16		delay_usecs;
 	u32		speed_hz;