target/linux/brcm2708/patches-4.1/0095-bcm2708-spi-Don-t-use-static-pin-configuration-with-.patch

   1 From 76d4203cdc524d7abd00df1cecc604848fdcaf6d Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Mon, 15 Jun 2015 09:59:38 +0100
   4 Subject: [PATCH 095/222] bcm2708-spi: Don't use static pin configuration with
   5  DT
   6
   7 Also remove superfluous error checking - the SPI framework ensures the
   8 validity of the chip_select value.
   9 ---
  10  drivers/spi/spi-bcm2708.c | 11 ++---------
  11  1 file changed, 2 insertions(+), 9 deletions(-)
  12
  13 --- a/drivers/spi/spi-bcm2708.c
  14 +++ b/drivers/spi/spi-bcm2708.c
  15 @@ -386,14 +386,6 @@ static int bcm2708_spi_setup(struct spi_
  16         if (bs->stopping)
  17                 return -ESHUTDOWN;
  18
  19 -       if (!(spi->mode & SPI_NO_CS) &&
  20 -                       (spi->chip_select > spi->master->num_chipselect)) {
  21 -               dev_dbg(&spi->dev,
  22 -                       "setup: invalid chipselect %u (%u defined)\n",
  23 -                       spi->chip_select, spi->master->num_chipselect);
  24 -               return -EINVAL;
  25 -       }
  26 -
  27         state = spi->controller_state;
  28         if (!state) {
  29                 state = kzalloc(sizeof(*state), GFP_KERNEL);
  30 @@ -496,7 +488,8 @@ static int bcm2708_spi_probe(struct plat
  31                 return PTR_ERR(clk);
  32         }
  33
  34 -       bcm2708_init_pinmode();
  35 +       if (!pdev->dev.of_node)
  36 +               bcm2708_init_pinmode();
  37
  38         master = spi_alloc_master(&pdev->dev, sizeof(*bs));
  39         if (!master) {