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[3/4] mtd: gpmi: scan two nand chips

Message ID 1371197185-27491-4-git-send-email-b32955@freescale.com (mailing list archive)
State New, archived
Headers show

Commit Message

Huang Shijie June 14, 2013, 8:06 a.m. UTC 
Some nand chip has two DIEs in a single chip, such as Micron MT29F32G08QAA.
Each die has its own chip select pin, so this chip acts as two nand
chips.

If we only scan one chip, we may find that we only get 2G for this chip,
but in actually, this chip's size is 4G.

So scan two chips by default.

Signed-off-by: Huang Shijie <b32955@freescale.com>
---
 drivers/mtd/nand/gpmi-nand/gpmi-nand.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 036e5e4..bb8af93 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -1551,7 +1551,7 @@  static int gpmi_nfc_init(struct gpmi_nand_data *this)
 	if (ret)
 		goto err_out;
 
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(mtd, 2);
 	if (ret) {
 		pr_err("Chip scan failed\n");
 		goto err_out;