ar71xx: pb44_spi: add shutdown handler

This allows to access the flash from a kexec'd kernel.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29710 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ar71xx/files/drivers/spi/pb44_spi.c b/target/linux/ar71xx/files/drivers/spi/pb44_spi.c
index 01b5f1c..556c771 100644 (file)
--- a/target/linux/ar71xx/files/drivers/spi/pb44_spi.c
+++ b/target/linux/ar71xx/files/drivers/spi/pb44_spi.c
@@ -278,9 +278,19 @@ static int pb44_spi_remove(struct platform_device *pdev)
        return 0;
 }
 
+static void pb44_spi_shutdown(struct platform_device *pdev)
+{
+       int ret;
+
+       ret = pb44_spi_remove(pdev);
+       if (ret)
+               dev_err(&pdev->dev, "shutdown failed with %d\n", ret);
+}
+
 static struct platform_driver pb44_spi_drv = {
        .probe          = pb44_spi_probe,
        .remove         = pb44_spi_remove,
+       .shutdown       = pb44_spi_shutdown,
        .driver         = {
                .name   = DRV_NAME,
                .owner  = THIS_MODULE,