openwrt/target/linux/brcm63xx/patches-3.9/012-spi-bcm63xx-inline-bcm63xx_spi_check_transfer.patch

From 3fffc5f76c830c375692a67948734168ee4c516a Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Mon, 11 Mar 2013 13:59:30 +0100
Subject: [PATCH 10/12] spi/bcm63xx: inline bcm63xx_spi_check_transfer

It only does one check, so just do the check directly in the caller.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
 drivers/spi/spi-bcm63xx.c |   19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -93,18 +93,6 @@ static const unsigned bcm63xx_spi_freq_t
 	{   391000, SPI_CLK_0_391MHZ }
 };
 
-static int bcm63xx_spi_check_transfer(struct spi_device *spi,
-					struct spi_transfer *t)
-{
-	if (t->bits_per_word != 8) {
-		dev_err(&spi->dev, "%s, unsupported bits_per_word=%d\n",
-			__func__, t->bits_per_word);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
 static void bcm63xx_spi_setup_transfer(struct spi_device *spi,
 				      struct spi_transfer *t)
 {
@@ -293,9 +281,12 @@ static int bcm63xx_spi_transfer_one(stru
 	 * full-duplex transfers.
 	 */
 	list_for_each_entry(t, &m->transfers, transfer_list) {
-		status = bcm63xx_spi_check_transfer(spi, t);
-		if (status < 0)
+		if (t->bits_per_word != 8) {
+			dev_err(&spi->dev, "%s, unsupported bits_per_word=%d\n",
+				__func__, t->bits_per_word);
+			status = -EINVAL;
 			goto exit;
+		}
 
 		if (!first)
 			first = t;