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From: Chunhe Lan <Chunhe.Lan@freescale.com>
To: <linux-mtd@lists.infradead.org>
Cc: kumar.gala@freescale.com, linuxppc-dev@ozlabs.org,
	scottwood@freescale.com, akpm@linux-foundation.org,
	dwmw2@infradead.org, Chunhe Lan <Chunhe.Lan@freescale.com>
Subject: [PATCH] mtd/physmap_of: Don't add disabled flash devices
Date: Tue, 16 Aug 2011 17:25:50 +0800	[thread overview]
Message-ID: <1313486750-15211-1-git-send-email-Chunhe.Lan@freescale.com> (raw)

Flash(cfi-flash, jedec-flash, and so on) nodes with the
property status="disabled" are not usable and so avoid
adding "disabled" flash devices with the system.

Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com>
---
 drivers/mtd/maps/physmap_of.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index d251d1d..812e6dc 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -219,6 +219,9 @@ static int __devinit of_flash_probe(struct platform_device *dev)
 	struct mtd_info **mtd_list = NULL;
 	resource_size_t res_size;
 
+	if (!of_device_is_available(dp))
+		return -ENODEV;
+
 	match = of_match_device(of_flash_match, &dev->dev);
 	if (!match)
 		return -EINVAL;
-- 
1.5.6.5

             reply	other threads:[~2011-08-16  9:23 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-16  9:25 Chunhe Lan [this message]
2011-08-16 21:44 ` [PATCH] mtd/physmap_of: Don't add disabled flash devices Scott Wood
2011-08-22 10:02   ` Lan Chunhe

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