Messages in this thread Patch in this message |  | | | From | Dimitris Papastamos <> | | Subject | [PATCH] regmap: Fallback to dev_name(map->dev) in case there is no `driver' | | Date | Thu, 19 Jul 2012 10:31:05 +0100 |
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This is useful when we want to use regmap with character devices.
Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> --- drivers/base/regmap/regmap-debugfs.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index bb1ff17..c2fbf57 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -39,7 +39,10 @@ static ssize_t regmap_name_read_file(struct file *file, if (!buf) return -ENOMEM; - ret = snprintf(buf, PAGE_SIZE, "%s\n", map->dev->driver->name); + if (map->dev->driver && map->dev->driver->name) + ret = snprintf(buf, PAGE_SIZE, "%s\n", map->dev->driver->name); + else + ret = snprintf(buf, PAGE_SIZE, "%s\n", dev_name(map->dev)); if (ret < 0) { kfree(buf); return ret; -- 1.7.11.2
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