浏览代码

Merge remote-tracking branch 'spi/topic/davinci' into spi-next

Mark Brown 9 年之前
父节点
当前提交
f0a2a049f5
共有 1 个文件被更改,包括 4 次插入11 次删除
  1. 4 11
      drivers/spi/spi-davinci.c

+ 4 - 11
drivers/spi/spi-davinci.c

@@ -215,18 +215,10 @@ static void davinci_spi_chipselect(struct spi_device *spi, int value)
 	struct davinci_spi_config *spicfg = spi->controller_data;
 	struct davinci_spi_config *spicfg = spi->controller_data;
 	u8 chip_sel = spi->chip_select;
 	u8 chip_sel = spi->chip_select;
 	u16 spidat1 = CS_DEFAULT;
 	u16 spidat1 = CS_DEFAULT;
-	bool gpio_chipsel = false;
-	int gpio;
 
 
 	dspi = spi_master_get_devdata(spi->master);
 	dspi = spi_master_get_devdata(spi->master);
 	pdata = &dspi->pdata;
 	pdata = &dspi->pdata;
 
 
-	if (spi->cs_gpio >= 0) {
-		/* SPI core parse and update master->cs_gpio */
-		gpio_chipsel = true;
-		gpio = spi->cs_gpio;
-	}
-
 	/* program delay transfers if tx_delay is non zero */
 	/* program delay transfers if tx_delay is non zero */
 	if (spicfg->wdelay)
 	if (spicfg->wdelay)
 		spidat1 |= SPIDAT1_WDEL;
 		spidat1 |= SPIDAT1_WDEL;
@@ -235,11 +227,12 @@ static void davinci_spi_chipselect(struct spi_device *spi, int value)
 	 * Board specific chip select logic decides the polarity and cs
 	 * Board specific chip select logic decides the polarity and cs
 	 * line for the controller
 	 * line for the controller
 	 */
 	 */
-	if (gpio_chipsel) {
+	if (spi->cs_gpio >= 0) {
 		if (value == BITBANG_CS_ACTIVE)
 		if (value == BITBANG_CS_ACTIVE)
-			gpio_set_value(gpio, spi->mode & SPI_CS_HIGH);
+			gpio_set_value(spi->cs_gpio, spi->mode & SPI_CS_HIGH);
 		else
 		else
-			gpio_set_value(gpio, !(spi->mode & SPI_CS_HIGH));
+			gpio_set_value(spi->cs_gpio,
+				!(spi->mode & SPI_CS_HIGH));
 	} else {
 	} else {
 		if (value == BITBANG_CS_ACTIVE) {
 		if (value == BITBANG_CS_ACTIVE) {
 			spidat1 |= SPIDAT1_CSHOLD_MASK;
 			spidat1 |= SPIDAT1_CSHOLD_MASK;