On Wed, 17 Aug 2011 05:44:56 +0800, Scott Wood <scottw...@freescale.com>
wrote:
On 08/16/2011 04:25 AM, Chunhe Lan wrote:
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....@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;
Are you actually seeing unavailable devices get probed? I thought the
upper layers were supposed to prevent that.
You are right.
The upper layers have prevented unavailable devices.
So, this patch is no need.
Thanks.
-Jack Lan
-Scott
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