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spi: omap-uwire: Remove full duplex check

PATCH Applied Axel Lin 2 participants 2 messages Mar 26, 2014 SPI

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Axel Lin

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#0 lore raw

PATCH 1/1 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 <[email protected]>
---
 drivers/spi/spi-omap-uwire.c | 4 ----
 1 file changed, 4 deletions(-)
drivers/spi/spi-omap-uwire.c +0 -4
index 95cc694..f5176bb 100644
@@ -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;
Signature · 8 lines
1.8.3.2



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Applied
#1 lore raw
Quoted 2 lines · Axel Lin

This driver sets the SPI_MASTER_HALF_DUPLEX flag, so the spi core will check transfers to ensure they are not full duplex.

Applied, thanks.