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platform: introduce OF style 'modalias' support for platform bus

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Fix a problem that, the platform bus supports the OF style modalias
in .uevent() call, but not in its device 'modalias' sysfs attribute.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Zhang Rui
2014-01-14 16:46:38 +08:00
committed by Rafael J. Wysocki
parent 8c4ff6d009
commit b9f73067f3
3 changed files with 13 additions and 0 deletions
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3
drivers/of/device.c
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@@ -85,6 +85,9 @@ ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len)
int cplen, i;
ssize_t tsize, csize, repend;
if ((!dev) || (!dev->of_node))
return -ENODEV;
/* Name & Type */
csize = snprintf(str, len, "of:N%sT%s", dev->of_node->name,
dev->of_node->type);