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freifunkist-firmware/target/linux/layerscape/patches-4.4/4047-drivers-memory-Fix-bui...

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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");
}