layerscape: add 64b/32b target for ls1043ardb device
[openwrt/staging/yousong.git] / target / linux / layerscape / patches-4.4 / 4047-drivers-memory-Fix-build-error-for-arm64.patch
diff --git a/target/linux/layerscape/patches-4.4/4047-drivers-memory-Fix-build-error-for-arm64.patch b/target/linux/layerscape/patches-4.4/4047-drivers-memory-Fix-build-error-for-arm64.patch
new file mode 100644 (file)
index 0000000..da7f18f
--- /dev/null
@@ -0,0 +1,53 @@
+From 0ce5d6bd62a9f1dbaa2d39c3535a8bdb31cf7951 Mon Sep 17 00:00:00 2001
+From: Raghav Dogra <raghav.dogra@nxp.com>
+Date: Wed, 24 Feb 2016 23:12:58 +0530
+Subject: [PATCH 47/70] drivers/memory: Fix build error for arm64
+
+Replace spin_event_timeout() with arch independent macro
+
+Signed-off-by: Raghav Dogra <raghav.dogra@nxp.com>
+Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
+---
+ drivers/memory/fsl_ifc.c |   16 +++++++++-------
+ 1 file changed, 9 insertions(+), 7 deletions(-)
+
+--- a/drivers/memory/fsl_ifc.c
++++ b/drivers/memory/fsl_ifc.c
+@@ -39,7 +39,7 @@
+ struct fsl_ifc_ctrl *fsl_ifc_ctrl_dev;
+ EXPORT_SYMBOL(fsl_ifc_ctrl_dev);
+ #define FSL_IFC_V1_3_0        0x01030000
+-#define IFC_TIMEOUT_MSECS     100000 /* 100ms */
++#define IFC_TIMEOUT_MSECS     1000 /* 1000ms */
+ /*
+  * convert_ifc_address - convert the base address
+@@ -365,7 +365,7 @@ static int fsl_ifc_resume(struct device
+       struct fsl_ifc_runtime __iomem *runtime = ctrl->rregs;
+       struct fsl_ifc_fcm *savd_gregs = ctrl->saved_gregs;
+       struct fsl_ifc_runtime *savd_rregs = ctrl->saved_rregs;
+-      uint32_t ver = 0, ncfgr, status, ifc_bank, i;
++      uint32_t ver = 0, ncfgr, timeout, ifc_bank, i;
+ /*
+  * IFC interrupts disabled
+@@ -469,12 +469,14 @@ static int fsl_ifc_resume(struct device
+               ifc_out32(ncfgr | IFC_NAND_SRAM_INIT_EN,
+                                       &runtime->ifc_nand.ncfgr);
+               /* wait for  SRAM_INIT bit to be clear or timeout */
+-              status = spin_event_timeout(
+-                                      !(ifc_in32(&runtime->ifc_nand.ncfgr)
+-                                      & IFC_NAND_SRAM_INIT_EN),
+-                                      IFC_TIMEOUT_MSECS, 0);
++              timeout = 10;
++              while ((ifc_in32(&runtime->ifc_nand.ncfgr) &
++                      IFC_NAND_SRAM_INIT_EN) && timeout) {
++                      mdelay(IFC_TIMEOUT_MSECS);
++                      timeout--;
++              }
+-              if (!status)
++              if (!timeout)
+                       dev_err(ctrl->dev, "Timeout waiting for IFC SRAM INIT");
+       }