linux-kernel - [RFC 12/47] mtd: nand: stm_nand

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Date:	Tue, 25 Mar 2014 08:19:29 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	lee.jones@...aro.org, kernel@...inux.com,
	computersforpeace@...il.com, linux-mtd@...ts.infradead.org,
	dwmw2@...radead.org, angus.clark@...com, pekon@...com
Subject: [RFC 12/47] 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 e1ebf92..1de13bd 100644
--- a/drivers/mtd/nand/stm_nand_bch.c
+++ b/drivers/mtd/nand/stm_nand_bch.c
@@ -374,6 +374,7 @@ static int stm_nand_bch_probe(struct platform_device *pdev)
 	struct nandi_info *info;
 	struct nand_chip *chip;
 	struct mtd_info *mtd;
+	int err;
 
 	if (!pdata) {
 		dev_err(&pdev->dev, "no platform data found\n");
@@ -403,6 +404,10 @@ 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;
 }
 
@@ -410,6 +415,8 @@ 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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