X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fspi%2Fatmel_spi.c;h=02c8e305b14fd783e3b94a71d3c8b4d9c4ed9c68;hb=513694b5f931a62561d21eb97a4740ce37464a45;hp=85687aaf9cabf5876381d647764613a13a9aab9e;hpb=1ca721cdb748ba72c47e9c661d54696db3cde796;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
index 85687aaf9ca..02c8e305b14 100644
--- a/drivers/spi/atmel_spi.c
+++ b/drivers/spi/atmel_spi.c
@@ -616,7 +616,7 @@ static int atmel_spi_transfer(struct spi_device *spi, struct spi_message *msg)
 		return -ESHUTDOWN;
 
 	list_for_each_entry(xfer, &msg->transfers, transfer_list) {
-		if (!(xfer->tx_buf || xfer->rx_buf)) {
+		if (!(xfer->tx_buf || xfer->rx_buf) && xfer->len) {
 			dev_dbg(&spi->dev, "missing rx or tx buf\n");
 			return -EINVAL;
 		}
@@ -863,3 +863,4 @@ module_exit(atmel_spi_exit);
 MODULE_DESCRIPTION("Atmel AT32/AT91 SPI Controller driver");
 MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:atmel_spi");