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Commit 843a713b authored by Brian Niebuhr's avatar Brian Niebuhr Committed by Sekhar Nori
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spi: davinci: set chip-select mode in SPIDEF only once 



Quit writing the same constant value determining the chip-select
mode when no transmissions are in progress in davinci_spi_chipelect().

Instead just setup the SPIDEF register once during probe.

Signed-off-by: default avatarBrian Niebuhr <bniebuhr@efjohnson.com>
Tested-By: default avatarMichael Williamson <michael.williamson@criticallink.com>
Signed-off-by: default avatarSekhar Nori <nsekhar@ti.com>
parent 50356dd7

drivers/spi/davinci_spi.c

+2 −2
Original line number Diff line number Diff line
@@ -245,8 +245,6 @@ static void davinci_spi_chipselect(struct spi_device *spi, int value) 
	 * line for the controller

	 */

	if (value == BITBANG_CS_INACTIVE) {

		set_io_bits(davinci_spi->base + SPIDEF, CS_DEFAULT);



		data1_reg_val |= CS_DEFAULT << SPIDAT1_CSNR_SHIFT;

		iowrite32(data1_reg_val, davinci_spi->base + SPIDAT1);
@@ -1132,6 +1130,8 @@ static int davinci_spi_probe(struct platform_device *pdev) 
		clear_io_bits(davinci_spi->base + SPIGCR1,

				SPIGCR1_CLKMOD_MASK);



	iowrite32(CS_DEFAULT, davinci_spi->base + SPIDEF);



	/* master mode default */

	set_io_bits(davinci_spi->base + SPIGCR1, SPIGCR1_MASTER_MASK);