spi: davinci: remove unnecessary disable of SPI

In the davinci_spi_bufs_dma() function, SPI is briefly disabled
before enabling it immediately back again.

Remove this unnecessary disable.
Signed-off-by: NBrian Niebuhr <bniebuhr@efjohnson.com>
Tested-By: NMichael Williamson <michael.williamson@criticallink.com>
Signed-off-by: NSekhar Nori <nsekhar@ti.com>

drivers/spi/davinci_spi.c

@@ -771,8 +771,6 @@ static int davinci_spi_bufs_dma(struct spi_device *spi, struct spi_transfer *t)
 
 	/* disable all interrupts for dma transfers */
 	clear_io_bits(davinci_spi->base + SPIINT, SPIINT_MASKALL);
-	/* Disable SPI to write configuration bits in SPIDAT */
-	clear_io_bits(davinci_spi->base + SPIGCR1, SPIGCR1_SPIENA_MASK);
 	/* Enable SPI */
 	set_io_bits(davinci_spi->base + SPIGCR1, SPIGCR1_SPIENA_MASK);