add a chip_fixup function to the plat_nand driver

SVN-Revision: 11375
17 years ago · 577ce6c8b5
parent db4cd8515c
commit 577ce6c8b5
2 changed files with 64 additions and 0 deletions
--- a/target/linux/generic-2.6/patches-2.6.24/080-mtd_plat_nand_chip_fixup.patch
+++ b/target/linux/generic-2.6/patches-2.6.24/080-mtd_plat_nand_chip_fixup.patch
@ -0,0 +1,32 @@
+--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
+@@ -573,6 +573,7 @@
+ 	int			chip_delay;
+ 	unsigned int		options;
+ 	const char		**part_probe_types;
+	int			(*chip_fixup)(struct mtd_info *mtd);
+ 	void			*priv;
+ };
+ 
+--- a/drivers/mtd/nand/plat_nand.c
+++ b/drivers/mtd/nand/plat_nand.c
+@@ -70,7 +70,18 @@
+ 	platform_set_drvdata(pdev, data);
+ 
+ 	/* Scan to find existance of the device */
+-	if (nand_scan(&data->mtd, 1)) {
+	if (nand_scan_ident(&data->mtd, 1)) {
+		res = -ENXIO;
+		goto out;
+	}
+
+	if (pdata->chip.chip_fixup) {
+		res = pdata->chip.chip_fixup(&data->mtd);
+		if (res)
+			goto out;
+	}
+
+	if (nand_scan_tail(&data->mtd)) {
+ 		res = -ENXIO;
+ 		goto out;
+ 	}
--- a/target/linux/generic-2.6/patches-2.6.25/080-mtd_plat_nand_chip_fixup.patch
+++ b/target/linux/generic-2.6/patches-2.6.25/080-mtd_plat_nand_chip_fixup.patch
@ -0,0 +1,32 @@
+--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
+@@ -573,6 +573,7 @@
+ 	int			chip_delay;
+ 	unsigned int		options;
+ 	const char		**part_probe_types;
+	int			(*chip_fixup)(struct mtd_info *mtd);
+ 	void			*priv;
+ };
+ 
+--- a/drivers/mtd/nand/plat_nand.c
+++ b/drivers/mtd/nand/plat_nand.c
+@@ -70,7 +70,18 @@
+ 	platform_set_drvdata(pdev, data);
+ 
+ 	/* Scan to find existance of the device */
+-	if (nand_scan(&data->mtd, 1)) {
+	if (nand_scan_ident(&data->mtd, 1)) {
+		res = -ENXIO;
+		goto out;
+	}
+
+	if (pdata->chip.chip_fixup) {
+		res = pdata->chip.chip_fixup(&data->mtd);
+		if (res)
+			goto out;
+	}
+
+	if (nand_scan_tail(&data->mtd)) {
+ 		res = -ENXIO;
+ 		goto out;
+ 	}