linux-kernel - [PATCH 13/47] mtd: nand: stm_nand

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Date:	Thu,  1 May 2014 10:56:20 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-kernel@...r.kernel.org
Cc:	computersforpeace@...il.com, linux-mtd@...ts.infradead.org,
	kernel@...inux.com, Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 13/47] mtd: nand: stm_nand_bch: scan for NAND devices

Use the core nand_scan_ident() routine to locate connected NAND chips.

Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/mtd/nand/stm_nand_bch.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/mtd/nand/stm_nand_bch.c b/drivers/mtd/nand/stm_nand_bch.c
index 8a63c4a..2670cec 100644
--- a/drivers/mtd/nand/stm_nand_bch.c
+++ b/drivers/mtd/nand/stm_nand_bch.c
@@ -532,6 +532,7 @@ static int stm_nand_bch_probe(struct platform_device *pdev)
 	struct nandi_info *info;
 	struct nand_chip *chip;
 	struct mtd_info *mtd;
+	int err;
 
 	nandi = nandi_init_resources(pdev);
 	if (IS_ERR(nandi)) {
@@ -556,6 +557,10 @@ static int stm_nand_bch_probe(struct platform_device *pdev)
 
 	nandi_set_mtd_defaults(nandi, mtd, chip);
 
+	err = nand_scan_ident(mtd, 1, NULL);
+	if (err)
+		return err;
+
 	return 0;
 }
 
@@ -563,6 +568,8 @@ static int stm_nand_bch_remove(struct platform_device *pdev)
 {
 	struct nandi_controller *nandi = platform_get_drvdata(pdev);
 
+	nand_release(&nandi->info.mtd);
+
 	nandi_clk_disable(nandi);
 
 	return 0;
-- 
1.8.3.2

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