target/linux/sunxi/patches-3.13/170-6-mmc-dont-call-mmc_of_parser-until-ready.patch

   1 From 73797537f3904fec60a647b3b209bf7add092ad5 Mon Sep 17 00:00:00 2001
   2 From: Hans de Goede <hdegoede@redhat.com>
   3 Date: Mon, 17 Feb 2014 21:59:08 +0100
   4 Subject: [PATCH] sunxi-mmc: Don't call mmc_of_parse until we're ready to
   5
   6 mmc_of_parse registers an irq handler for the gpio pins for cd, this irq
   7 handler will reference host->ops, so don't call mmc_of_parse until we're
   8 done setting everything up.
   9
  10 Signed-off-by: Hans de Goede <hdegoede@redhat.com>
  11 ---
  12  drivers/mmc/host/sunxi-mmc.c | 9 ++++-----
  13  1 file changed, 4 insertions(+), 5 deletions(-)
  14
  15 diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
  16 index d5e8ff9..cceae68 100644
  17 --- a/drivers/mmc/host/sunxi-mmc.c
  18 +++ b/drivers/mmc/host/sunxi-mmc.c
  19 @@ -766,10 +766,6 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
  20                 return -ENOMEM;
  21         }
  22
  23 -       ret = mmc_of_parse(mmc);
  24 -       if (ret)
  25 -               goto error_free_host;
  26 -
  27         host = mmc_priv(mmc);
  28         host->mmc = mmc;
  29         spin_lock_init(&host->lock);
  30 @@ -806,8 +802,11 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
  31                      MMC_CAP_SDIO_IRQ;
  32         mmc->caps2 |= MMC_CAP2_NO_PRESCAN_POWERUP;
  33
  34 -       ret = mmc_add_host(mmc);
  35 +       ret = mmc_of_parse(mmc);
  36 +       if (ret)
  37 +               goto error_free_dma;
  38
  39 +       ret = mmc_add_host(mmc);
  40         if (ret)
  41                 goto error_free_dma;
  42
  43 --
  44 1.8.5.5
  45