target/linux/layerscape/patches-4.4/4047-drivers-memory-Fix-build-error-for-arm64.patch

   1 From 0ce5d6bd62a9f1dbaa2d39c3535a8bdb31cf7951 Mon Sep 17 00:00:00 2001
   2 From: Raghav Dogra <raghav.dogra@nxp.com>
   3 Date: Wed, 24 Feb 2016 23:12:58 +0530
   4 Subject: [PATCH 47/70] drivers/memory: Fix build error for arm64
   5
   6 Replace spin_event_timeout() with arch independent macro
   7
   8 Signed-off-by: Raghav Dogra <raghav.dogra@nxp.com>
   9 Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
  10 ---
  11  drivers/memory/fsl_ifc.c |   16 +++++++++-------
  12  1 file changed, 9 insertions(+), 7 deletions(-)
  13
  14 --- a/drivers/memory/fsl_ifc.c
  15 +++ b/drivers/memory/fsl_ifc.c
  16 @@ -39,7 +39,7 @@
  17  struct fsl_ifc_ctrl *fsl_ifc_ctrl_dev;
  18  EXPORT_SYMBOL(fsl_ifc_ctrl_dev);
  19  #define FSL_IFC_V1_3_0 0x01030000
  20 -#define IFC_TIMEOUT_MSECS      100000 /* 100ms */
  21 +#define IFC_TIMEOUT_MSECS      1000 /* 1000ms */
  22
  23  /*
  24   * convert_ifc_address - convert the base address
  25 @@ -365,7 +365,7 @@ static int fsl_ifc_resume(struct device
  26         struct fsl_ifc_runtime __iomem *runtime = ctrl->rregs;
  27         struct fsl_ifc_fcm *savd_gregs = ctrl->saved_gregs;
  28         struct fsl_ifc_runtime *savd_rregs = ctrl->saved_rregs;
  29 -       uint32_t ver = 0, ncfgr, status, ifc_bank, i;
  30 +       uint32_t ver = 0, ncfgr, timeout, ifc_bank, i;
  31
  32  /*
  33   * IFC interrupts disabled
  34 @@ -469,12 +469,14 @@ static int fsl_ifc_resume(struct device
  35                 ifc_out32(ncfgr | IFC_NAND_SRAM_INIT_EN,
  36                                         &runtime->ifc_nand.ncfgr);
  37                 /* wait for  SRAM_INIT bit to be clear or timeout */
  38 -               status = spin_event_timeout(
  39 -                                       !(ifc_in32(&runtime->ifc_nand.ncfgr)
  40 -                                       & IFC_NAND_SRAM_INIT_EN),
  41 -                                       IFC_TIMEOUT_MSECS, 0);
  42 +               timeout = 10;
  43 +               while ((ifc_in32(&runtime->ifc_nand.ncfgr) &
  44 +                       IFC_NAND_SRAM_INIT_EN) && timeout) {
  45 +                       mdelay(IFC_TIMEOUT_MSECS);
  46 +                       timeout--;
  47 +               }
  48
  49 -               if (!status)
  50 +               if (!timeout)
  51                         dev_err(ctrl->dev, "Timeout waiting for IFC SRAM INIT");
  52         }
  53