target/linux/brcm63xx/patches-3.9/015-spi-bcm63xx-remove-unused-speed_hz-member-variable.patch

   1 From 5ff6b05a18295fa7e03de0fdf32d681a90b69df5 Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jogo@openwrt.org>
   3 Date: Sat, 30 Mar 2013 10:26:55 +0100
   4 Subject: [PATCH] spi/bcm63xx: remove unused speed_hz member variable
   5
   6 speed_hz is a write only member, so we can safely remove it and its
   7 generation. Also fixes the missing clk_put after getting the periph
   8 clock.
   9
  10 Signed-off-by: Jonas Gorski <jogo@openwrt.org>
  11 ---
  12  arch/mips/bcm63xx/dev-spi.c                          |   11 -----------
  13  arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h |    1 -
  14  drivers/spi/spi-bcm63xx.c                            |    2 --
  15  3 files changed, 14 deletions(-)
  16
  17 --- a/arch/mips/bcm63xx/dev-spi.c
  18 +++ b/arch/mips/bcm63xx/dev-spi.c
  19 @@ -85,20 +85,9 @@ static struct platform_device bcm63xx_sp
  20
  21  int __init bcm63xx_spi_register(void)
  22  {
  23 -       struct clk *periph_clk;
  24 -
  25         if (BCMCPU_IS_6328() || BCMCPU_IS_6345())
  26                 return -ENODEV;
  27
  28 -       periph_clk = clk_get(NULL, "periph");
  29 -       if (IS_ERR(periph_clk)) {
  30 -               pr_err("unable to get periph clock\n");
  31 -               return -ENODEV;
  32 -       }
  33 -
  34 -       /* Set bus frequency */
  35 -       spi_pdata.speed_hz = clk_get_rate(periph_clk);
  36 -
  37         spi_resources[0].start = bcm63xx_regset_address(RSET_SPI);
  38         spi_resources[0].end = spi_resources[0].start;
  39         spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI);
  40 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
  41 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
  42 @@ -13,7 +13,6 @@ struct bcm63xx_spi_pdata {
  43         unsigned int    msg_ctl_width;
  44         int             bus_num;
  45         int             num_chipselect;
  46 -       u32             speed_hz;
  47  };
  48
  49  enum bcm63xx_regs_spi {
  50 --- a/drivers/spi/spi-bcm63xx.c
  51 +++ b/drivers/spi/spi-bcm63xx.c
  52 @@ -46,7 +46,6 @@ struct bcm63xx_spi {
  53         int                     irq;
  54
  55         /* Platform data */
  56 -       u32                     speed_hz;
  57         unsigned                fifo_size;
  58         unsigned int            msg_type_shift;
  59         unsigned int            msg_ctl_width;
  60 @@ -436,7 +435,6 @@ static int bcm63xx_spi_probe(struct plat
  61         master->unprepare_transfer_hardware = bcm63xx_spi_unprepare_transfer;
  62         master->transfer_one_message = bcm63xx_spi_transfer_one;
  63         master->mode_bits = MODEBITS;
  64 -       bs->speed_hz = pdata->speed_hz;
  65         bs->msg_type_shift = pdata->msg_type_shift;
  66         bs->msg_ctl_width = pdata->msg_ctl_width;
  67         bs->tx_io = (u8 *)(bs->regs + bcm63xx_spireg(SPI_MSG_DATA));