brcm2708: remove linux 4.4 support

[openwrt/staging/yousong.git] / target / linux / brcm2708 / patches-4.4 / 0530-spi-bcm2835-Remove-unused-code.patch

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 (file)
index 9979304..0000000
--- 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;
- }
-