You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
29 lines
889 B
29 lines
889 B
From 13a364be644ed9b4666d452756556bb98afdcc56 Mon Sep 17 00:00:00 2001
|
|
From: Jonas Gorski <jogo@openwrt.org>
|
|
Date: Mon, 11 Mar 2013 13:48:27 +0100
|
|
Subject: [PATCH 07/12] spi/bcm63xx: check spi bits_per_word in spi_setup
|
|
|
|
Instead of fixing up the bits_per_word (which the spi subsystem already
|
|
does for us), check it for supported values.
|
|
|
|
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
|
|
---
|
|
drivers/spi/spi-bcm63xx.c | 7 +++++--
|
|
1 file changed, 5 insertions(+), 2 deletions(-)
|
|
|
|
--- a/drivers/spi/spi-bcm63xx.c
|
|
+++ b/drivers/spi/spi-bcm63xx.c
|
|
@@ -151,8 +151,11 @@ static void bcm63xx_spi_setup_transfer(s
|
|
|
|
static int bcm63xx_spi_setup(struct spi_device *spi)
|
|
{
|
|
- if (!spi->bits_per_word)
|
|
- spi->bits_per_word = 8;
|
|
+ if (spi->bits_per_word != 8) {
|
|
+ dev_err(&spi->dev, "%s, unsupported bits_per_word=%d\n",
|
|
+ __func__, spi->bits_per_word);
|
|
+ return -EINVAL;
|
|
+ }
|
|
|
|
return 0;
|
|
}
|
|
|