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boundary="===============9121042851394379214==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============9121042851394379214== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="QxR7joyd66HZ+5rA" Content-Disposition: inline --QxR7joyd66HZ+5rA Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Jernej, On Tue 15 Mar 22, 20:31, Jernej =C5=A0krabec wrote: > Dne petek, 11. marec 2022 ob 15:34:52 CET je Paul Kocialkowski napisal(a): > > Introduce a proper variant structure with the module clock rate > > instead of hardcoding it with a manual check on the compatible. > >=20 > > Signed-off-by: Paul Kocialkowski > > --- > > .../platform/sunxi/sun6i-csi/sun6i_csi.c | 48 ++++++++++++++----- > > .../platform/sunxi/sun6i-csi/sun6i_csi.h | 4 ++ > > 2 files changed, 40 insertions(+), 12 deletions(-) > >=20 > > diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drive= rs/ > media/platform/sunxi/sun6i-csi/sun6i_csi.c > > index 2355088fdc37..4a0d08e0ac25 100644 > > --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c > > +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c > > @@ -811,11 +811,17 @@ static int sun6i_csi_resources_setup(struct=20 > sun6i_csi_device *csi_dev, > > struct platform_device=20 > *platform_dev) > > { > > struct device *dev =3D csi_dev->dev; > > - unsigned long clk_mod_rate; > > + const struct sun6i_csi_variant *variant; >=20 > Ideally, this should be sorted from longest to shortest. I typically try to have definitions with affectations first and then just definitions, sorted longest to shortest unless there is some dependency between definitions. > > void __iomem *io_base; > > int ret; > > int irq; > > =20 > > + /* Variant */ >=20 > I don't think this comment is very useful (nor one below for that matter.= )=20 > Please remove it. It's not really a comment per-se, but rather a section header. I have similar ones for Clocks / Reset / Interrupt / Runtime PM so that's why it felt consistent to add one for Variant too. The point is to keep related topics grouped together and I'd rather keep it. Cheers, Paul > With that: > Reviewed-by: Jernej Skrabec >=20 > Best regards, > Jernej >=20 > > + > > + variant =3D of_device_get_match_data(dev); > > + if (!variant) > > + return -EINVAL; > > + > > /* Registers */ > > =20 > > io_base =3D devm_platform_ioremap_resource(platform_dev, 0); > > @@ -849,12 +855,7 @@ static int sun6i_csi_resources_setup(struct=20 > sun6i_csi_device *csi_dev, > > return PTR_ERR(csi_dev->clk_ram); > > } > > =20 > > - if (of_device_is_compatible(dev->of_node, "allwinner,sun50i-a64- > csi")) > > - clk_mod_rate =3D 300000000; > > - else > > - clk_mod_rate =3D 297000000; > > - > > - ret =3D clk_set_rate_exclusive(csi_dev->clk_mod, clk_mod_rate); > > + ret =3D clk_set_rate_exclusive(csi_dev->clk_mod, variant- > >clk_mod_rate); > > if (ret) { > > dev_err(dev, "failed to set mod clock rate\n"); > > return ret; > > @@ -937,12 +938,35 @@ static int sun6i_csi_remove(struct platform_devic= e=20 > *pdev) > > return 0; > > } > > =20 > > +static const struct sun6i_csi_variant sun6i_a31_csi_variant =3D { > > + .clk_mod_rate =3D 297000000, > > +}; > > + > > +static const struct sun6i_csi_variant sun50i_a64_csi_variant =3D { > > + .clk_mod_rate =3D 300000000, > > +}; > > + > > static const struct of_device_id sun6i_csi_of_match[] =3D { > > - { .compatible =3D "allwinner,sun6i-a31-csi", }, > > - { .compatible =3D "allwinner,sun8i-a83t-csi", }, > > - { .compatible =3D "allwinner,sun8i-h3-csi", }, > > - { .compatible =3D "allwinner,sun8i-v3s-csi", }, > > - { .compatible =3D "allwinner,sun50i-a64-csi", }, > > + { > > + .compatible =3D "allwinner,sun6i-a31-csi", > > + .data =3D &sun6i_a31_csi_variant, > > + }, > > + { > > + .compatible =3D "allwinner,sun8i-a83t-csi", > > + .data =3D &sun6i_a31_csi_variant, > > + }, > > + { > > + .compatible =3D "allwinner,sun8i-h3-csi", > > + .data =3D &sun6i_a31_csi_variant, > > + }, > > + { > > + .compatible =3D "allwinner,sun8i-v3s-csi", > > + .data =3D &sun6i_a31_csi_variant, > > + }, > > + { > > + .compatible =3D "allwinner,sun50i-a64-csi", > > + .data =3D &sun50i_a64_csi_variant, > > + }, > > {}, > > }; > > =20 > > diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drive= rs/ > media/platform/sunxi/sun6i-csi/sun6i_csi.h > > index 356661b413f8..3c4a3af6b897 100644 > > --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h > > +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h > > @@ -59,6 +59,10 @@ struct sun6i_csi_device { > > int planar_offset[3]; > > }; > > =20 > > +struct sun6i_csi_variant { > > + unsigned long clk_mod_rate; > > +}; > > + > > /** > > * sun6i_csi_is_format_supported() - check if the format supported by = csi > > * @csi: pointer to the csi > > --=20 > > 2.35.1 > >=20 > >=20 >=20 >=20 --=20 Paul Kocialkowski, Bootlin Embedded Linux and kernel engineering https://bootlin.com --QxR7joyd66HZ+5rA Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEJZpWjZeIetVBefti3cLmz3+fv9EFAmI0SMQACgkQ3cLmz3+f v9HS0gf/TR9sni8XrcOWDHi7UkVmO2+KvCZ9Eyh4h5wbp7wKDBAmSdW3f6AaK27f I1WbaYh+IfOZ27jE+CwJFfjca6MXANBSwQNnFXBHjdJAJFpLRkFomg6Ap5Kkij3l OFAMwxOkTWvXj5gj/VkQkUb6n9e6FemkmvsuBIz1fFcpiJXbjRS0vxd/5z+ucj/F C4WTeroIB+CnXP0NFe4iHpFhZY6eI9LhaX5fxe2gx8QhZ5hCIvhWoV0ozOZ+JYJu s7kZt0Di/ZGar7zd+7gUjKOiobIMsbuV47ME+/BPqSSJcJERCAtspHTSSBPXBlZd GQPQnE2oCgtbOEHBfIxNbNUDK+sibA== =bjDU -----END PGP SIGNATURE----- --QxR7joyd66HZ+5rA-- --===============9121042851394379214== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============9121042851394379214==--