linux-kernel - [PATCH] spi-gpio: SPI_MASTER_NO_RX bit tested twice, missing SPI_MASTER_NO

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Date:	Sat, 02 Oct 2010 14:03:32 +0200
From:	Roel Kluin <roel.kluin@...il.com>
To:	David Brownell <dbrownell@...rs.sourceforge.net>,
	Grant Likely <grant.likely@...retlab.ca>,
	spi-devel-general@...ts.sourceforge.net,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] spi-gpio: SPI_MASTER_NO_RX bit tested twice, missing SPI_MASTER_NO_TX?

The SPI_MASTER_NO_TX bit (can't do buffer write) wasn't tested.

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---
 drivers/spi/spi_gpio.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

Is this what was intended?

diff --git a/drivers/spi/spi_gpio.c b/drivers/spi/spi_gpio.c
index e24a634..63e51b0 100644
--- a/drivers/spi/spi_gpio.c
+++ b/drivers/spi/spi_gpio.c
@@ -350,7 +350,7 @@ static int __init spi_gpio_probe(struct platform_device *pdev)
 	spi_gpio->bitbang.master = spi_master_get(master);
 	spi_gpio->bitbang.chipselect = spi_gpio_chipselect;
 
-	if ((master_flags & (SPI_MASTER_NO_RX | SPI_MASTER_NO_RX)) == 0) {
+	if ((master_flags & (SPI_MASTER_NO_TX | SPI_MASTER_NO_RX)) == 0) {
 		spi_gpio->bitbang.txrx_word[SPI_MODE_0] = spi_gpio_txrx_word_mode0;
 		spi_gpio->bitbang.txrx_word[SPI_MODE_1] = spi_gpio_txrx_word_mode1;
 		spi_gpio->bitbang.txrx_word[SPI_MODE_2] = spi_gpio_txrx_word_mode2;
--
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