]> git.karo-electronics.de Git - linux-beck.git/commitdiff
spi: davinci: remove unnecessary call to davinci_spi_setup_transfer()
authorBrian Niebuhr <bniebuhr@efjohnson.com>
Fri, 24 Sep 2010 13:23:32 +0000 (18:53 +0530)
committerSekhar Nori <nsekhar@ti.com>
Thu, 18 Nov 2010 13:08:33 +0000 (18:38 +0530)
Remove unnecessary call to davinci_spi_setup_transfer() at the end
of davinci_spi_setup().

davinci_spi_setup_transfer() is registered as the setup_transfer
callback for the bitbang layer and is called independently by
the bitbang layer to setup the transfer before it begins.

Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com>
Tested-By: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
drivers/spi/davinci_spi.c

index 05b6145da3ef8743a038f89807467cd165de2a32..77109dc11b0998ec3374464cf3f0c1bae9c1418a 100644 (file)
@@ -479,7 +479,7 @@ static int davinci_spi_request_dma(struct spi_device *spi)
  */
 static int davinci_spi_setup(struct spi_device *spi)
 {
-       int retval;
+       int retval = 0;
        struct davinci_spi *davinci_spi;
        struct davinci_spi_dma *davinci_spi_dma;
        struct davinci_spi_platform_data *pdata;
@@ -512,16 +512,11 @@ static int davinci_spi_setup(struct spi_device *spi)
        if (use_dma && davinci_spi->dma_channels) {
                davinci_spi_dma = &davinci_spi->dma_channels[spi->chip_select];
 
-               if ((davinci_spi_dma->dma_rx_channel == -1)
-                               || (davinci_spi_dma->dma_tx_channel == -1)) {
+               if ((davinci_spi_dma->dma_rx_channel == -1) ||
+                   (davinci_spi_dma->dma_tx_channel == -1))
                        retval = davinci_spi_request_dma(spi);
-                       if (retval < 0)
-                               return retval;
-               }
        }
 
-       retval = davinci_spi_setup_transfer(spi, NULL);
-
        return retval;
 }