X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0144-spi-Make-GPIO-CSs-honour-the-SPI_NO_CS-flag.patch;fp=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0144-spi-Make-GPIO-CSs-honour-the-SPI_NO_CS-flag.patch;h=0000000000000000000000000000000000000000;hb=7d7aa2fd924c27829ec25f825481554dd81bce97;hp=727624086a6684db7b6cd8d3bf481e2f5a5ed646;hpb=e7bfda2c243e66a75ff966ba04c28b1590b5d24c;p=openwrt%2Fopenwrt.git diff --git a/target/linux/brcm2708/patches-4.19/950-0144-spi-Make-GPIO-CSs-honour-the-SPI_NO_CS-flag.patch b/target/linux/brcm2708/patches-4.19/950-0144-spi-Make-GPIO-CSs-honour-the-SPI_NO_CS-flag.patch deleted file mode 100644 index 727624086a..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0144-spi-Make-GPIO-CSs-honour-the-SPI_NO_CS-flag.patch +++ /dev/null @@ -1,32 +0,0 @@ -From d7aa9d52b7f9b2d600f9b2479767c24d438a2c68 Mon Sep 17 00:00:00 2001 -From: Phil Elwell -Date: Tue, 3 Jul 2018 14:23:47 +0100 -Subject: [PATCH] spi: Make GPIO CSs honour the SPI_NO_CS flag - -The SPI configuration state includes an SPI_NO_CS flag that disables -all CS line manipulation, for applications that want to manage their -own chip selects. However, this flag is ignored by the GPIO CS code -in the SPI framework. - -Correct this omission with a trivial patch. - -See: https://github.com/raspberrypi/linux/issues/2169 - -Signed-off-by: Phil Elwell ---- - drivers/spi/spi.c | 4 +++- - 1 file changed, 3 insertions(+), 1 deletion(-) - ---- a/drivers/spi/spi.c -+++ b/drivers/spi/spi.c -@@ -733,7 +733,9 @@ static void spi_set_cs(struct spi_device - enable = !enable; - - if (gpio_is_valid(spi->cs_gpio)) { -- gpio_set_value_cansleep(spi->cs_gpio, !enable); -+ /* Honour the SPI_NO_CS flag */ -+ if (!(spi->mode & SPI_NO_CS)) -+ gpio_set_value_cansleep(spi->cs_gpio, !enable); - /* Some SPI masters need both GPIO CS & slave_select */ - if ((spi->controller->flags & SPI_MASTER_GPIO_SS) && - spi->controller->set_cs)