brcm2708: remove linux 3.10 support

[openwrt/staging/dedeckeh.git] / target / linux / brcm2708 / patches-3.10 / 0012-sdhci-bcm2708-remove-custom-clock-handling.patch

diff --git a/target/linux/brcm2708/patches-3.10/0012-sdhci-bcm2708-remove-custom-clock-handling.patch b/target/linux/brcm2708/patches-3.10/0012-sdhci-bcm2708-remove-custom-clock-handling.patch
deleted file mode 100644 (file)
index 0145d79..0000000
--- a/target/linux/brcm2708/patches-3.10/0012-sdhci-bcm2708-remove-custom-clock-handling.patch
+++ /dev/null
@@ -1,100 +0,0 @@
-From d63cca1d57881d931236d101fe16fd249d91b060 Mon Sep 17 00:00:00 2001
-From: Grigori Goronzy <greg@blackbox>
-Date: Mon, 11 Jun 2012 18:52:04 +0200
-Subject: [PATCH 012/196] sdhci-bcm2708: remove custom clock handling
-
-The custom clock handling code is redundant and buggy. The MMC/SDHCI
-subsystem does a better job than it, so remove it for good.
----
- drivers/mmc/host/sdhci-bcm2708.c | 65 +---------------------------------------
- 1 file changed, 1 insertion(+), 64 deletions(-)
-
-diff --git a/drivers/mmc/host/sdhci-bcm2708.c b/drivers/mmc/host/sdhci-bcm2708.c
-index a6bdc25..0ed4d85 100644
---- a/drivers/mmc/host/sdhci-bcm2708.c
-+++ b/drivers/mmc/host/sdhci-bcm2708.c
-@@ -353,68 +353,9 @@ void sdhci_bcm2708_writeb(struct sdhci_host *host, u8 val, int reg)
- 
- static unsigned int sdhci_bcm2708_get_max_clock(struct sdhci_host *host)
- {
--      return 20000000;        // this value is in Hz (20MHz)
-+      return BCM2708_EMMC_CLOCK_FREQ;
- }
- 
--static unsigned int sdhci_bcm2708_get_timeout_clock(struct sdhci_host *host)
--{
--      if(host->clock)
--              return (host->clock / 1000);            // this value is in kHz (100MHz)
--      else
--              return (sdhci_bcm2708_get_max_clock(host) / 1000);
--}
--
--static void sdhci_bcm2708_set_clock(struct sdhci_host *host, unsigned int clock)
--{
--      int div = 0;
--      u16 clk = 0;
--      unsigned long timeout;
--
--        if (clock == host->clock)
--                return;
--
--        sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
--
--        if (clock == 0)
--                goto out;
--
--      if (BCM2708_EMMC_CLOCK_FREQ <= clock)
--              div = 1;
--      else {
--              for (div = 2; div < SDHCI_MAX_DIV_SPEC_300; div += 2) {
--                      if ((BCM2708_EMMC_CLOCK_FREQ / div) <= clock)
--                              break;
--              }
--      }
--
--        DBG( "desired SD clock: %d, actual: %d\n",
--                clock, BCM2708_EMMC_CLOCK_FREQ / div);
--
--      clk |= (div & SDHCI_DIV_MASK) << SDHCI_DIVIDER_SHIFT;
--      clk |= ((div & SDHCI_DIV_HI_MASK) >> SDHCI_DIV_MASK_LEN)
--              << SDHCI_DIVIDER_HI_SHIFT;
--      clk |= SDHCI_CLOCK_INT_EN;
--
--      sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
--
--        timeout = 20;
--        while (!((clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL))
--                        & SDHCI_CLOCK_INT_STABLE)) {
--                if (timeout == 0) {
--                      printk(KERN_ERR "%s: Internal clock never "
--                              "stabilised.\n", mmc_hostname(host->mmc));
--                        return;
--                }
--                timeout--;
--                mdelay(1);
--        }
--
--        clk |= SDHCI_CLOCK_CARD_EN;
--        sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
--out:
--        host->clock = clock;
-- }
--
- /*****************************************************************************\
-  *                                                                         *
-  * DMA Operation                                                           *
-@@ -1189,11 +1130,7 @@ static struct sdhci_ops sdhci_bcm2708_ops = {
- #else
- #error The BCM2708 SDHCI driver needs CONFIG_MMC_SDHCI_IO_ACCESSORS to be set
- #endif
--      //.enable_dma = NULL,
--      .set_clock = sdhci_bcm2708_set_clock,
-       .get_max_clock = sdhci_bcm2708_get_max_clock,
--      //.get_min_clock = NULL,
--      .get_timeout_clock = sdhci_bcm2708_get_timeout_clock,
- 
- #ifdef CONFIG_MMC_SDHCI_BCM2708_DMA
-       // Platform DMA operations
--- 
-1.9.1
-