From 7abbf23c5903e14b0cff1cdeab906eab164be767 Mon Sep 17 00:00:00 2001 From: Brian Niebuhr Date: Thu, 19 Aug 2010 15:07:38 +0530 Subject: spi: davinci: add support for wait enable timeouts Just enabling WAITENA in SPIFMTn register waits for the enable signal from the slave indefinitely. Allow support for finite waiting by adding support for c2e delay (maximum time for addressed slave to respond) and t2e delay (maximum time for slave to respond after transmit data finished). While at it, modify the T2C and C2T defines by prepending the register name as is the convention followed for other register field elsewhere in the driver. Signed-off-by: Brian Niebuhr Tested-By: Michael Williamson Signed-off-by: Sekhar Nori --- arch/arm/mach-davinci/include/mach/spi.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm/mach-davinci') diff --git a/arch/arm/mach-davinci/include/mach/spi.h b/arch/arm/mach-davinci/include/mach/spi.h index 29c19c425b02..483b055da440 100644 --- a/arch/arm/mach-davinci/include/mach/spi.h +++ b/arch/arm/mach-davinci/include/mach/spi.h @@ -43,6 +43,8 @@ struct davinci_spi_config { u8 timer_disable; u8 c2tdelay; u8 t2cdelay; + u8 t2edelay; + u8 c2edelay; }; #endif /* __ARCH_ARM_DAVINCI_SPI_H */ -- cgit v1.2.3