From 05e459136fa2e1b6c200ddeecb54cd94029b725e Mon Sep 17 00:00:00 2001
From: Roland Stigge <stigge@antcom.de>
Date: Fri, 24 Aug 2012 15:06:52 +0200
Subject: [PATCH] --- yaml --- r: 332723 b: refs/heads/master c:
 62beee20b1a53ba633badc4b57c68d815c9f3e66 h: refs/heads/master i:   332721:
 87db81c93a36fa567c2a28489e5363686dcc8660   332719:
 4f0b9176a20f85029236c24f946a778c05e4689c v: v3

---
 [refs]                               |  2 +-
 trunk/drivers/mtd/nand/lpc32xx_mlc.c | 46 +++++++++++-----------------
 2 files changed, 19 insertions(+), 29 deletions(-)

diff --git a/[refs] b/[refs]
index 6880981c8d9e..db79a50c0669 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 10594f67870e86aac361d75ee1e84535a33e1214
+refs/heads/master: 62beee20b1a53ba633badc4b57c68d815c9f3e66
diff --git a/trunk/drivers/mtd/nand/lpc32xx_mlc.c b/trunk/drivers/mtd/nand/lpc32xx_mlc.c
index 5da31795b693..c29b7ac1f6af 100644
--- a/trunk/drivers/mtd/nand/lpc32xx_mlc.c
+++ b/trunk/drivers/mtd/nand/lpc32xx_mlc.c
@@ -621,43 +621,36 @@ static int lpc32xx_dma_setup(struct lpc32xx_nand_host *host)
 	return -ENXIO;
 }
 
-#ifdef CONFIG_OF
 static struct lpc32xx_nand_cfg_mlc *lpc32xx_parse_dt(struct device *dev)
 {
-	struct lpc32xx_nand_cfg_mlc *pdata;
+	struct lpc32xx_nand_cfg_mlc *ncfg;
 	struct device_node *np = dev->of_node;
 
-	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
-	if (!pdata) {
+	ncfg = devm_kzalloc(dev, sizeof(*ncfg), GFP_KERNEL);
+	if (!ncfg) {
 		dev_err(dev, "could not allocate memory for platform data\n");
 		return NULL;
 	}
 
-	of_property_read_u32(np, "nxp,tcea-delay", &pdata->tcea_delay);
-	of_property_read_u32(np, "nxp,busy-delay", &pdata->busy_delay);
-	of_property_read_u32(np, "nxp,nand-ta", &pdata->nand_ta);
-	of_property_read_u32(np, "nxp,rd-high", &pdata->rd_high);
-	of_property_read_u32(np, "nxp,rd-low", &pdata->rd_low);
-	of_property_read_u32(np, "nxp,wr-high", &pdata->wr_high);
-	of_property_read_u32(np, "nxp,wr-low", &pdata->wr_low);
-
-	if (!pdata->tcea_delay || !pdata->busy_delay || !pdata->nand_ta ||
-	    !pdata->rd_high || !pdata->rd_low || !pdata->wr_high ||
-	    !pdata->wr_low) {
+	of_property_read_u32(np, "nxp,tcea-delay", &ncfg->tcea_delay);
+	of_property_read_u32(np, "nxp,busy-delay", &ncfg->busy_delay);
+	of_property_read_u32(np, "nxp,nand-ta", &ncfg->nand_ta);
+	of_property_read_u32(np, "nxp,rd-high", &ncfg->rd_high);
+	of_property_read_u32(np, "nxp,rd-low", &ncfg->rd_low);
+	of_property_read_u32(np, "nxp,wr-high", &ncfg->wr_high);
+	of_property_read_u32(np, "nxp,wr-low", &ncfg->wr_low);
+
+	if (!ncfg->tcea_delay || !ncfg->busy_delay || !ncfg->nand_ta ||
+	    !ncfg->rd_high || !ncfg->rd_low || !ncfg->wr_high ||
+	    !ncfg->wr_low) {
 		dev_err(dev, "chip parameters not specified correctly\n");
 		return NULL;
 	}
 
-	pdata->wp_gpio = of_get_named_gpio(np, "gpios", 0);
+	ncfg->wp_gpio = of_get_named_gpio(np, "gpios", 0);
 
-	return pdata;
+	return ncfg;
 }
-#else
-static struct lpc32xx_nand_cfg_mlc *lpc32xx_parse_dt(struct device *dev)
-{
-	return NULL;
-}
-#endif
 
 /*
  * Probe for NAND controller
@@ -695,10 +688,9 @@ static int __devinit lpc32xx_nand_probe(struct platform_device *pdev)
 	nand_chip = &host->nand_chip;
 	if (pdev->dev.of_node)
 		host->ncfg = lpc32xx_parse_dt(&pdev->dev);
-	else
-		host->ncfg = pdev->dev.platform_data;
 	if (!host->ncfg) {
-		dev_err(&pdev->dev, "Missing platform data\n");
+		dev_err(&pdev->dev,
+			"Missing or bad NAND config from device tree\n");
 		return -ENOENT;
 	}
 	if (host->ncfg->wp_gpio == -EPROBE_DEFER)
@@ -907,13 +899,11 @@ static int lpc32xx_nand_suspend(struct platform_device *pdev, pm_message_t pm)
 #define lpc32xx_nand_suspend NULL
 #endif
 
-#if defined(CONFIG_OF)
 static const struct of_device_id lpc32xx_nand_match[] = {
 	{ .compatible = "nxp,lpc3220-mlc" },
 	{ /* sentinel */ },
 };
 MODULE_DEVICE_TABLE(of, lpc32xx_nand_match);
-#endif
 
 static struct platform_driver lpc32xx_nand_driver = {
 	.probe		= lpc32xx_nand_probe,