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Commit 2bec19fe authored by Lennert Buytenhek's avatar Lennert Buytenhek Committed by Linus Torvalds
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orion_spi: handle 88F6183 erratum 



Add support to orion_spi for the 88F6183 ARM SoC by adding code to work
around a 6183-specific erratum.

Signed-off-by: default avatarLennert Buytenhek <buytenh@marvell.com>
Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f1f640a9

drivers/spi/orion_spi.c

+5 −0
Original line number Diff line number Diff line
@@ -364,6 +364,11 @@ static int orion_spi_setup(struct spi_device *spi) 
		return -EINVAL;

	}



	/* Fix ac timing if required.   */

	if (orion_spi->spi_info->enable_clock_fix)

		orion_spi_setbits(orion_spi, ORION_SPI_IF_CONFIG_REG,

				  (1 << 14));



	if (spi->bits_per_word == 0)

		spi->bits_per_word = 8;

include/linux/spi/orion_spi.h

+1 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 


struct orion_spi_info {

	u32	tclk;		/* no <linux/clk.h> support yet */

	u32	enable_clock_fix;

};