diff options
Diffstat (limited to 'target/linux/xburst/patches-2.6.32/400-spi-gpio-3wire.patch')
| -rw-r--r-- | target/linux/xburst/patches-2.6.32/400-spi-gpio-3wire.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/xburst/patches-2.6.32/400-spi-gpio-3wire.patch b/target/linux/xburst/patches-2.6.32/400-spi-gpio-3wire.patch new file mode 100644 index 0000000000..dc81a67df6 --- /dev/null +++ b/target/linux/xburst/patches-2.6.32/400-spi-gpio-3wire.patch @@ -0,0 +1,51 @@ +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 + |