Hi Jacopo,
thank you for the review!
On Tue, 2018-09-04 at 10:04 +0200, jacopo mondi wrote:
> Hi Philipp,
>
> On Fri, Aug 10, 2018 at 05:18:22PM +0200, Philipp Zabel wrote:
[...]
> > +static struct pxp_fmt formats[] = {
> > + {
> > + .fourcc = V4L2_PIX_FMT_XBGR32,
> > + .depth = 32,
> > + /* Both capture and output format */
> > + .types = MEM2MEM_CAPTURE | MEM2MEM_OUTPUT,
[...]
> > + }, {
> > + .fourcc = V4L2_PIX_FMT_YUV32,
> > + .depth = 16,
>
> According to:
> https://www.linuxtv.org/downloads/v4l-dvb-apis-old/packed-yuv.html
> shouldn't this be 32?
Yes, I'll change depth to 32.
[...]
> > +}
> > +
>
> Multiple blank lines (in a few other places too)
>
> > +
Found them, will fix them.
[...]
> > + /* Enable clocks and dump registers */
> > + clk_prepare_enable(dev->clk);
> > + pxp_soft_reset(dev);
> > +
> > + spin_lock_init(&dev->irqlock);
> > +
> > + ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
> > + if (ret)
> > + return ret;
> > +
> > + atomic_set(&dev->num_inst, 0);
> > + mutex_init(&dev->dev_mutex);
> > +
> > + dev->vfd = pxp_videodev;
>
> The name of the video device is the same for all instances of this
> driver. Is this ok?
I expect that there is only ever going to be one instance on the SoC.
[...]
> > + v4l2_device_unregister(&dev->v4l2_dev);
>
> Disable clock?
Yes, I'll fix the clock handling.
[...]
> > +MODULE_DESCRIPTION("i.MX PXP mem2mem scaler/CSC/rotator");
> > +MODULE_AUTHOR("Philipp Zabel <kernel@xxxxxxxxxxxxxx>");
> > +MODULE_LICENSE("GPL");
>
> SPDX header says GPL2.0+
See include/linux/module.h:
/*
* The following license idents are currently accepted as indicating free
* software modules
*
* "GPL" [GNU Public License v2 or later]
* [...]
*/
This already seems to be the right choice.
regards
Philipp
