On Tue, May 24, 2016 at 10:07:32PM +0300, Andy Shevchenko wrote:
> On Tue, May 24, 2016 at 9:54 PM, Andy Shevchenko
> <andy.shevchenko@xxxxxxxxx> wrote:
> > On Tue, May 24, 2016 at 5:25 PM, Rajneesh Bhardwaj
> > <rajneesh.bhardwaj@xxxxxxxxx> wrote:
>
> >> +static int pmc_core_dev_state_show(struct seq_file *s, void *unused)
> >> +{
> >> + struct pmc_dev *pmcdev = s->private;
> >> + u32 counter_val;
> >> +
> >> + counter_val = pmc_core_reg_read(pmcdev,
> >> + SPT_PMC_SLP_S0_RES_COUNTER_OFFSET);
> >> + seq_printf(s, "%u\n", pmc_core_adjust_slp_s0_step(counter_val));
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +static int pmc_core_dev_state_open(struct inode *inode, struct file *file)
> >> +{
> >> + return single_open(file, pmc_core_dev_state_show, inode->i_private);
> >> +}
> >> +
> >> +static const struct file_operations pmc_core_dev_state_ops = {
> >> + .open = pmc_core_dev_state_open,
> >> + .read = seq_read,
> >> + .llseek = seq_lseek,
> >> + .release = single_release,
> >> +};
> >
> > I suppose DEFINE_SIMPLE_ATTRIBUTE might reduce amount of LOC.
>
> Correction:
> DEFINE_DEBUGFS_ATTRIBUTE()
Andy caught the couple things I was going to add and a couple more. Please give
his feedback one more pass (except where I noted we had already covered things
like the header and the module build), and we should still be able to get this
into 4.7 if I have the next rev by tomorrow.
--
Darren Hart
Intel Open Source Technology Center
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