From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ch1ehsobe006.messaging.microsoft.com ([216.32.181.186] helo=ch1outboundpool.messaging.microsoft.com) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QtFrt-00011E-72 for linux-mtd@lists.infradead.org; Tue, 16 Aug 2011 09:23:29 +0000 From: Chunhe Lan To: Subject: [PATCH] mtd/physmap_of: Don't add disabled flash devices Date: Tue, 16 Aug 2011 17:25:50 +0800 Message-ID: <1313486750-15211-1-git-send-email-Chunhe.Lan@freescale.com> MIME-Version: 1.0 Content-Type: text/plain Cc: kumar.gala@freescale.com, linuxppc-dev@ozlabs.org, scottwood@freescale.com, akpm@linux-foundation.org, dwmw2@infradead.org, Chunhe Lan List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 --- 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