[1/2] spi/bfin_spi: only request GPIO on first load

Commit Message

Mike Frysinger Oct. 22, 2010, 6:01 a.m. UTC

None

Patch

diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c
index ab483a0..a8f276d 100644
--- a/drivers/spi/spi_bfin5xx.c
+++ b/drivers/spi/spi_bfin5xx.c
@@ -1099,12 +1099,15 @@  static int bfin_spi_setup(struct spi_device *spi)
 	}
 
 	if (chip->chip_select_num >= MAX_CTRL_CS) {
-		ret = gpio_request(chip->cs_gpio, spi->modalias);
-		if (ret) {
-			dev_err(&spi->dev, "gpio_request() error\n");
-			goto pin_error;
+		/* Only request on first setup */
+		if (spi_get_ctldata(spi) == NULL) {
+			ret = gpio_request(chip->cs_gpio, spi->modalias);
+			if (ret) {
+				dev_err(&spi->dev, "gpio_request() error\n");
+				goto pin_error;
+			}
+			gpio_direction_output(chip->cs_gpio, 1);
 		}
-		gpio_direction_output(chip->cs_gpio, 1);
 	}
 
 	dev_dbg(&spi->dev, "setup spi chip %s, width is %d, dma is %d\n",