On Wed, Sep 10, 2014 at 01:28:56PM +0200, Maciej Matraszek wrote:> +static int pm_genpd_summary_open(struct inode *inode, struct file *file)> +{> + return single_open(file, pm_genpd_summary_show, inode->i_private); ^^^^^^^^^^^^^^^^ what for?Where in pm_genpd_summary_show() are you using ->private?