diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0530-spi-bcm2835-Remove-unused-code.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0530-spi-bcm2835-Remove-unused-code.patch | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0530-spi-bcm2835-Remove-unused-code.patch b/target/linux/brcm2708/patches-4.4/0530-spi-bcm2835-Remove-unused-code.patch deleted file mode 100644 index 99793049c4..0000000000 --- a/target/linux/brcm2708/patches-4.4/0530-spi-bcm2835-Remove-unused-code.patch +++ /dev/null @@ -1,93 +0,0 @@ -From 8e2a01dec1501b8832f1459213dcbd56b4e11307 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Tue, 8 Nov 2016 21:35:38 +0000 -Subject: [PATCH] spi-bcm2835: Remove unused code - ---- - drivers/spi/spi-bcm2835.c | 66 ----------------------------------------------- - 1 file changed, 66 deletions(-) - ---- a/drivers/spi/spi-bcm2835.c -+++ b/drivers/spi/spi-bcm2835.c -@@ -679,17 +679,8 @@ static void bcm2835_spi_set_cs(struct sp - bcm2835_wr(bs, BCM2835_SPI_CS, cs); - } - --static int chip_match_name(struct gpio_chip *chip, void *data) --{ -- return !strcmp(chip->label, data); --} -- - static int bcm2835_spi_setup(struct spi_device *spi) - { -- int err; -- struct gpio_chip *chip; -- struct device_node *pins; -- u32 pingroup_index; - /* - * sanity checking the native-chipselects - */ -@@ -707,63 +698,6 @@ static int bcm2835_spi_setup(struct spi_ - return -EINVAL; - } - --#if 0 -- /* now translate native cs to GPIO */ -- /* first look for chip select pins in the devices pin groups */ -- for (pingroup_index = 0; -- (pins = of_parse_phandle(spi->master->dev.of_node, -- "pinctrl-0", -- pingroup_index)) != 0; -- pingroup_index++) { -- u32 pin; -- u32 pin_index; -- for (pin_index = 0; -- of_property_read_u32_index(pins, -- "brcm,pins", -- pin_index, -- &pin) == 0; -- pin_index++) { -- if (((spi->chip_select == 0) && -- ((pin == 8) || (pin == 36) || (pin == 46))) || -- ((spi->chip_select == 1) && -- ((pin == 7) || (pin == 35)))) { -- spi->cs_gpio = pin; -- break; -- } -- } -- of_node_put(pins); -- } -- /* if that fails, assume GPIOs 7-11 are used */ -- if (!gpio_is_valid(spi->cs_gpio) ) { -- /* get the gpio chip for the base */ -- chip = gpiochip_find("pinctrl-bcm2835", chip_match_name); -- if (!chip) -- return 0; -- -- /* and calculate the real CS */ -- spi->cs_gpio = chip->base + 8 - spi->chip_select; -- } -- -- /* and set up the "mode" and level */ -- dev_info(&spi->dev, "setting up native-CS%i as GPIO %i\n", -- spi->chip_select, spi->cs_gpio); -- -- /* set up GPIO as output and pull to the correct level */ -- err = gpio_direction_output(spi->cs_gpio, -- (spi->mode & SPI_CS_HIGH) ? 0 : 1); -- if (err) { -- dev_err(&spi->dev, -- "could not set CS%i gpio %i as output: %i", -- spi->chip_select, spi->cs_gpio, err); -- return err; -- } -- /* the implementation of pinctrl-bcm2835 currently does not -- * set the GPIO value when using gpio_direction_output -- * so we are setting it here explicitly -- */ -- gpio_set_value(spi->cs_gpio, (spi->mode & SPI_CS_HIGH) ? 0 : 1); --#endif -- - return 0; - } - |