Unverified Commit 937e6d75 authored by Sowjanya Komatineni's avatar Sowjanya Komatineni Committed by Mark Brown
Browse files

spi: expand mode support 



This patch changes mode and mode_bits from u16 to u32 to allow more
mode configurations.

Signed-off-by: default avatarSowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent bf6e8396

include/linux/spi/spi.h

+3 −3
Original line number Diff line number Diff line
@@ -143,7 +143,7 @@ struct spi_device { 
	u32			max_speed_hz;

	u8			chip_select;

	u8			bits_per_word;

	u16			mode;

	u32			mode;

#define	SPI_CPHA	0x01			/* clock phase */

#define	SPI_CPOL	0x02			/* clock polarity */

#define	SPI_MODE_0	(0|0)			/* (original MicroWire) */
@@ -443,7 +443,7 @@ struct spi_controller { 
	u16			dma_alignment;



	/* spi_device.mode flags understood by this controller driver */

	u16			mode_bits;

	u32			mode_bits;



	/* bitmask of supported bits_per_word for transfers */

	u32			bits_per_word_mask;
@@ -1291,7 +1291,7 @@ struct spi_board_info { 
	/* mode becomes spi_device.mode, and is essential for chips

	 * where the default of SPI_CS_HIGH = 0 is wrong.

	 */

	u16		mode;

	u32		mode;



	/* ... may need additional spi_device chip config data here.

	 * avoid stuff protocol drivers can set; but include stuff

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