openwrt/target/linux/brcm63xx/patches-3.8/010-spi-bcm63xx-simplify-bcm63xx_spi_check_transfer.patch

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From d69ac73da38f0d16cc6b4524cd734b907db6eab8 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Mon, 11 Mar 2013 13:51:10 +0100
Subject: [PATCH 08/12] spi/bcm63xx: simplify bcm63xx_spi_check_transfer
bcm63xx_spi_check_transfer is only called from one place that has
t always set, so directly check the transfer's bits_per_word.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
drivers/spi/spi-bcm63xx.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -96,12 +96,9 @@ static const unsigned bcm63xx_spi_freq_t
static int bcm63xx_spi_check_transfer(struct spi_device *spi,
struct spi_transfer *t)
{
- u8 bits_per_word;
-
- bits_per_word = (t) ? t->bits_per_word : spi->bits_per_word;
- if (bits_per_word != 8) {
+ if (t->bits_per_word != 8) {
dev_err(&spi->dev, "%s, unsupported bits_per_word=%d\n",
- __func__, bits_per_word);
+ __func__, t->bits_per_word);
return -EINVAL;
}