[U-Boot-Users] [PATCH] Fill in remaining MTD driver data for OneNAND

[U-Boot-Users] [PATCH] Fill in remaining MTD driver data for OneNAND

[Fathi BOUDRA]

Fill in remaining MTD driver data for OneNAND.
Review onenand_print_device_info():
 - Return device info to fill mtd device name.
 - Remove verbose parameter as it become useless.

Signed-off-by: Fathi Boudra <fabo@debian.org>
---
diff --git a/common/cmd_onenand.c b/common/cmd_onenand.c
index ce99a38..c9a0627 100644
--- a/common/cmd_onenand.c
+++ b/common/cmd_onenand.c
@@ -38,7 +38,7 @@ int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char 
*argv[])
 			onenand_init();
 			return 0;
 		}
-		onenand_print_device_info(onenand_chip.device_id, 1);
+		printf("%s\n", onenand_mtd.name);
 		return 0;
 
 	default:
diff --git a/drivers/mtd/onenand/onenand_base.c 
b/drivers/mtd/onenand/onenand_base.c
index d32e382..c9487ee 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1112,21 +1112,21 @@ int onenand_unlock(struct mtd_info *mtd, loff_t ofs, 
size_t len)
  *
  * Print device ID
  */
-void onenand_print_device_info(int device, int verbose)
+char * onenand_print_device_info(int device)
 {
 	int vcc, demuxed, ddp, density;
-
-	if (!verbose)
-		return;
+	char *dev_info;
 
 	vcc = device & ONENAND_DEVICE_VCC_MASK;
 	demuxed = device & ONENAND_DEVICE_IS_DEMUX;
 	ddp = device & ONENAND_DEVICE_IS_DDP;
 	density = device >> ONENAND_DEVICE_DENSITY_SHIFT;
-	printk(KERN_INFO "%sOneNAND%s %dMB %sV 16-bit (0x%02x)\n",
+	sprintf(dev_info, "%sOneNAND%s %dMB %sV 16-bit (0x%02x)",
 	       demuxed ? "" : "Muxed ",
 	       ddp ? "(DDP)" : "",
 	       (16 << density), vcc ? "2.65/3.3" : "1.8", device);
+
+	return dev_info;
 }
 
 static const struct onenand_manufacturers onenand_manuf_ids[] = {
@@ -1205,7 +1205,7 @@ static int onenand_probe(struct mtd_info *mtd)
 	}
 
 	/* Flash device information */
-	onenand_print_device_info(dev_id, 0);
+	mtd->name = onenand_print_device_info(dev_id);
 	this->device_id = dev_id;
 
 	density = dev_id >> ONENAND_DEVICE_DENSITY_SHIFT;
@@ -1241,6 +1241,18 @@ static int onenand_probe(struct mtd_info *mtd)
 		this->options |= ONENAND_CONT_LOCK;
 	}
 
+	/* Fill in remaining MTD driver data */
+	mtd->erase = onenand_erase;
+	mtd->read = onenand_read;
+	mtd->write = onenand_write;
+	mtd->read_ecc = onenand_read_ecc;
+	mtd->write_ecc = onenand_write_ecc;
+	mtd->read_oob = onenand_read_oob;
+	mtd->write_oob = onenand_write_oob;
+	mtd->sync = onenand_sync;
+	mtd->block_isbad = onenand_block_isbad;
+	mtd->block_markbad = onenand_block_markbad;
+
 	return 0;
 }
 
diff --git a/include/onenand_uboot.h b/include/onenand_uboot.h
index 4449f98..cb7914d 100644
--- a/include/onenand_uboot.h
+++ b/include/onenand_uboot.h
@@ -39,6 +39,6 @@ extern int onenand_erase(struct mtd_info *mtd, struct 
erase_info *instr);
 
 extern int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len);
 
-extern void onenand_print_device_info(int device, int verbose);
+extern char * onenand_print_device_info(int device);
 
 #endif /* __UBOOT_ONENAND_H */

[U-Boot-Users] [PATCH] Fill in remaining MTD driver data for OneNAND

[Scott Wood]

On Tue, Aug 05, 2008 at 11:06:28AM +0200, Fathi BOUDRA wrote:
> -void onenand_print_device_info(int device, int verbose)
> +char * onenand_print_device_info(int device)
>  {
>  	int vcc, demuxed, ddp, density;
> -
> -	if (!verbose)
> -		return;
> +	char *dev_info;
>  
>  	vcc = device & ONENAND_DEVICE_VCC_MASK;
>  	demuxed = device & ONENAND_DEVICE_IS_DEMUX;
>  	ddp = device & ONENAND_DEVICE_IS_DDP;
>  	density = device >> ONENAND_DEVICE_DENSITY_SHIFT;
> -	printk(KERN_INFO "%sOneNAND%s %dMB %sV 16-bit (0x%02x)\n",
> +	sprintf(dev_info, "%sOneNAND%s %dMB %sV 16-bit (0x%02x)",
>  	       demuxed ? "" : "Muxed ",
>  	       ddp ? "(DDP)" : "",
>  	       (16 << density), vcc ? "2.65/3.3" : "1.8", device);
> +
> +	return dev_info;

Please don't write to uninitialized pointers.

-Scott