Hi Dmitry,
Yes, please improve the driver and make the local change.
Regards,
Scott
On 15-02-28 02:15 PM, Dmitry Torokhov wrote:
On Sat, Feb 28, 2015 at 02:10:22PM -0800, Dmitry Torokhov wrote:
Hi Scott,
On Sat, Feb 28, 2015 at 08:35:57AM -0800, Scott Branden wrote:
+ /* Enable clock */
+
+ kp->clk = devm_clk_get(&pdev->dev, "peri_clk");
+ if (IS_ERR(kp->clk)) {
+ dev_info(&pdev->dev,
+ "No clock specified. Assuming it's enabled\n");
I was doing the final pass before applying and I think that this is not
quite correct, as it does not handle -EPROBE_DEFER properly which is
quite common. I think we should do something like this:
error = PTR_ERR(kp->clk);
if (error != -ENOENT) {
if (error != -EPROBE_DEFER)
dev_err(.. "Failed to get clock" ...);
return error;
}
dev_dbg(... "No clock specified" ...);
No need to resubmit if you are OK with this, I can make the change
locally.
Hmm, also bcm_kp_start() and bcm_kp_stop() should check if kp->clk is
valid before trying to enable/disable it.
I am ok with these changes if you want to change locally.
+ }
+ else {
Checkpach should have warned you that it should have been "} else {";
I'll fix it up locally along with few other cosmetic changes and
dropping a few extra headers.
Thanks.
--
Dmitry
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