brcm47xx: fix commit r18413 "128MB ram problem"
[openwrt.git] / target / linux / xburst / patches-2.6.32 / 400-spi-gpio-3wire.patch
1 From df07ed6a52d9f6027ff1753c00b3128fa18dde31 Mon Sep 17 00:00:00 2001
2 From: Lars-Peter Clausen <lars@metafoo.de>
3 Date: Mon, 11 Jan 2010 04:29:48 +0100
4 Subject: [PATCH] /opt/Projects/openwrt/target/linux/xburst/patches-2.6.31/400-spi-gpio-3wire.patch
5
6 ---
7 drivers/spi/spi_gpio.c | 14 +++++++++-----
8 1 files changed, 9 insertions(+), 5 deletions(-)
9
10 --- a/drivers/spi/spi_gpio.c
11 +++ b/drivers/spi/spi_gpio.c
12 @@ -254,9 +254,11 @@ spi_gpio_request(struct spi_gpio_platfor
13 if (value)
14 goto done;
15
16 - value = spi_gpio_alloc(SPI_MISO_GPIO, label, true);
17 - if (value)
18 - goto free_mosi;
19 + if (SPI_MISO_GPIO != SPI_MOSI_GPIO) {
20 + value = spi_gpio_alloc(SPI_MISO_GPIO, label, true);
21 + if (value)
22 + goto free_mosi;
23 + }
24
25 value = spi_gpio_alloc(SPI_SCK_GPIO, label, false);
26 if (value)
27 @@ -319,7 +321,8 @@ static int __devinit spi_gpio_probe(stru
28 if (status < 0) {
29 spi_master_put(spi_gpio->bitbang.master);
30 gpio_free:
31 - gpio_free(SPI_MISO_GPIO);
32 + if (SPI_MISO_GPIO != SPI_MOSI_GPIO)
33 + gpio_free(SPI_MISO_GPIO);
34 gpio_free(SPI_MOSI_GPIO);
35 gpio_free(SPI_SCK_GPIO);
36 spi_master_put(master);
37 @@ -343,7 +346,8 @@ static int __devexit spi_gpio_remove(str
38
39 platform_set_drvdata(pdev, NULL);
40
41 - gpio_free(SPI_MISO_GPIO);
42 + if (SPI_MISO_GPIO != SPI_MOSI_GPIO)
43 + gpio_free(SPI_MISO_GPIO);
44 gpio_free(SPI_MOSI_GPIO);
45 gpio_free(SPI_SCK_GPIO);
46
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