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authorDavid Woodhouse <dwmw2@infradead.org>2007-10-28 21:56:39 -0400
committerDavid Woodhouse <dwmw2@infradead.org>2007-10-28 21:56:39 -0400
commit9c37f3329ae098d4c17e8bec589a589bcbf0acff (patch)
tree140386fb85eca0c4fbbae5f19802228ce99c51df /drivers
parent2a397e82c7db18019e408f953dd58dc1963a328c (diff)
[MTD] [NAND] Check for RedBoot partitions on CAFÉ NAND
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/nand/cafe_nand.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index 1e811715211..da6ceaa80ba 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -11,6 +11,7 @@
#undef DEBUG
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
#include <linux/rslib.h>
#include <linux/pci.h>
#include <linux/delay.h>
@@ -52,6 +53,7 @@
struct cafe_priv {
struct nand_chip nand;
+ struct mtd_partition *parts;
struct pci_dev *pdev;
void __iomem *mmio;
struct rs_control *rs;
@@ -84,6 +86,10 @@ static unsigned int numtimings;
static int timing[3];
module_param_array(timing, int, &numtimings, 0644);
+#ifdef CONFIG_MTD_PARTITIONS
+static const char *part_probes[] = { "RedBoot", NULL };
+#endif
+
/* Hrm. Why isn't this already conditional on something in the struct device? */
#define cafe_dev_dbg(dev, args...) do { if (debug) dev_dbg(dev, ##args); } while(0)
@@ -620,7 +626,9 @@ static int __devinit cafe_nand_probe(struct pci_dev *pdev,
{
struct mtd_info *mtd;
struct cafe_priv *cafe;
+ struct mtd_partition *parts;
uint32_t ctrl;
+ int nr_parts;
int err = 0;
/* Very old versions shared the same PCI ident for all three
@@ -787,7 +795,18 @@ static int __devinit cafe_nand_probe(struct pci_dev *pdev,
goto out_irq;
pci_set_drvdata(pdev, mtd);
+
+ /* We register the whole device first, separate from the partitions */
add_mtd_device(mtd);
+
+#ifdef CONFIG_MTD_PARTITIONS
+ nr_parts = parse_mtd_partitions(mtd, part_probes, &parts, 0);
+ if (nr_parts > 0) {
+ cafe->parts = parts;
+ dev_info(&cafe->pdev->dev, "%d RedBoot partitions found\n", nr_parts);
+ add_mtd_partitions(mtd, parts, nr_parts);
+ }
+#endif
goto out;
out_irq: