From d7a7f6ec14fb07ed9c1167db760bc535b742b382 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Wed, 26 Mar 2014 19:22:08 +0800 Subject: [PATCH] spi: omap-uwire: Remove full duplex check This driver sets the SPI_MASTER_HALF_DUPLEX flag, so the spi core will check transfers to ensure they are not full duplex. Signed-off-by: Axel Lin Signed-off-by: Mark Brown --- drivers/spi/spi-omap-uwire.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/spi/spi-omap-uwire.c b/drivers/spi/spi-omap-uwire.c index 95cc6948a2ba..f5176bbfa6f1 100644 --- a/drivers/spi/spi-omap-uwire.c +++ b/drivers/spi/spi-omap-uwire.c @@ -218,10 +218,6 @@ static int uwire_txrx(struct spi_device *spi, struct spi_transfer *t) if (!t->tx_buf && !t->rx_buf) return 0; - /* Microwire doesn't read and write concurrently */ - if (t->tx_buf && t->rx_buf) - return -EPERM; - w = spi->chip_select << 10; w |= CS_CMD;