From: Axel Lin <axel.lin@ingics.com>
Date: Tue, 18 Feb 2014 14:01:36 +0000 (+0800)
Subject: spi: omap2-mcspi: Remove list_empty checking in omap2_mcspi_transfer_one_message
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=cd60080fd6200bd2e5ca9bf5135d32c06a8e6f3b;p=deliverable%2Flinux.git

spi: omap2-mcspi: Remove list_empty checking in omap2_mcspi_transfer_one_message

This checking is done in __spi_validate().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
---

diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 8f0afdb067b8..d90edaaa7f69 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -1208,9 +1208,6 @@ static int omap2_mcspi_transfer_one_message(struct spi_master *master,
 	m->actual_length = 0;
 	m->status = 0;
 
-	/* reject invalid messages and transfers */
-	if (list_empty(&m->transfers))
-		return -EINVAL;
 	list_for_each_entry(t, &m->transfers, transfer_list) {
 		const void	*tx_buf = t->tx_buf;
 		void		*rx_buf = t->rx_buf;