Re: [PATCH 09/11] drivers: char: axd: add sysfs setup files

From: Qais Yousef
Date: Tue Oct 28 2014 - 10:39:25 EST


On 10/28/2014 02:12 PM, Greg Kroah-Hartman wrote:
On Tue, Oct 28, 2014 at 11:26:27AM +0000, Qais Yousef wrote:
+/* Control Device Sysfs Attributes */
+/* version */
+static ssize_t show_version(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct axd_cmd *cmd = (struct axd_cmd *)dev->platform_data;
+ int major, minor, patch;
+
+ axd_cmd_get_version(cmd, &major, &minor, &patch);
+ return sprintf(buf, "%u.%u.%u\n", major, minor, patch);
+}
+static DEVICE_ATTR(version, RD_PERMS, show_version, NULL);
DEVICE_ATTR_RO() please. Same for all other instances, you should never
use DEVICE_ATTR() anymore.

thanks,

greg k-h

OK. I missed the transition to the new macro. I'll fix that.

Thanks,
Qais
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