mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-01 08:30:38 +02:00
52 lines
1.5 KiB
Diff
52 lines
1.5 KiB
Diff
|
From df07ed6a52d9f6027ff1753c00b3128fa18dde31 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Lars-Peter Clausen <lars@metafoo.de>
|
||
|
|
Date: Mon, 11 Jan 2010 04:29:48 +0100
|
||
|
|
Subject: [PATCH] /opt/Projects/openwrt/target/linux/xburst/patches-2.6.31/400-spi-gpio-3wire.patch
|
||
|
|
|
||
|
|
---
|
||
|
|
drivers/spi/spi_gpio.c | 14 +++++++++-----
|
||
|
|
1 files changed, 9 insertions(+), 5 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/drivers/spi/spi_gpio.c b/drivers/spi/spi_gpio.c
|
||
|
|
index 26bd03e..5f89c21 100644
|
||
|
|
--- a/drivers/spi/spi_gpio.c
|
||
|
|
+++ b/drivers/spi/spi_gpio.c
|
||
|
|
@@ -243,9 +243,11 @@ spi_gpio_request(struct spi_gpio_platform_data *pdata, const char *label)
|
||
|
|
if (value)
|
||
|
|
goto done;
|
||
|
|
|
||
|
|
- value = spi_gpio_alloc(SPI_MISO_GPIO, label, true);
|
||
|
|
- if (value)
|
||
|
|
- goto free_mosi;
|
||
|
|
+ if (SPI_MISO_GPIO != SPI_MOSI_GPIO) {
|
||
|
|
+ value = spi_gpio_alloc(SPI_MISO_GPIO, label, true);
|
||
|
|
+ if (value)
|
||
|
|
+ goto free_mosi;
|
||
|
|
+ }
|
||
|
|
|
||
|
|
value = spi_gpio_alloc(SPI_SCK_GPIO, label, false);
|
||
|
|
if (value)
|
||
|
|
@@ -308,7 +310,8 @@ static int __init spi_gpio_probe(struct platform_device *pdev)
|
||
|
|
if (status < 0) {
|
||
|
|
spi_master_put(spi_gpio->bitbang.master);
|
||
|
|
gpio_free:
|
||
|
|
- gpio_free(SPI_MISO_GPIO);
|
||
|
|
+ if (SPI_MISO_GPIO != SPI_MOSI_GPIO)
|
||
|
|
+ gpio_free(SPI_MISO_GPIO);
|
||
|
|
gpio_free(SPI_MOSI_GPIO);
|
||
|
|
gpio_free(SPI_SCK_GPIO);
|
||
|
|
spi_master_put(master);
|
||
|
|
@@ -332,7 +335,8 @@ static int __exit spi_gpio_remove(struct platform_device *pdev)
|
||
|
|
|
||
|
|
platform_set_drvdata(pdev, NULL);
|
||
|
|
|
||
|
|
- gpio_free(SPI_MISO_GPIO);
|
||
|
|
+ if (SPI_MISO_GPIO != SPI_MOSI_GPIO)
|
||
|
|
+ gpio_free(SPI_MISO_GPIO);
|
||
|
|
gpio_free(SPI_MOSI_GPIO);
|
||
|
|
gpio_free(SPI_SCK_GPIO);
|
||
|
|
|
||
|
|
--
|
||
|
|
1.5.6.5
|
||
|
|
|