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SubjectRe: [PATCH 3/3] can: mscan: mpc5xxx_can: Use of_device_get_match_data to simplify code
On 23.08.2021 19:33:38, Tang Bin wrote:
> Retrieve OF match data, it's better and cleaner to use
> 'of_device_get_match_data' over 'of_match_device'.
>
> Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>

Thanks for the patch!

LGTM, comment inside.

> ---
> drivers/net/can/mscan/mpc5xxx_can.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
> index e254e04ae..3b7465acd 100644
> --- a/drivers/net/can/mscan/mpc5xxx_can.c
> +++ b/drivers/net/can/mscan/mpc5xxx_can.c
> @@ -279,7 +279,6 @@ static u32 mpc512x_can_get_clock(struct platform_device *ofdev,
> static const struct of_device_id mpc5xxx_can_table[];
> static int mpc5xxx_can_probe(struct platform_device *ofdev)
> {
> - const struct of_device_id *match;
> const struct mpc5xxx_can_data *data;
> struct device_node *np = ofdev->dev.of_node;
> struct net_device *dev;
> @@ -289,10 +288,9 @@ static int mpc5xxx_can_probe(struct platform_device *ofdev)
> int irq, mscan_clksrc = 0;
> int err = -ENOMEM;
>
> - match = of_match_device(mpc5xxx_can_table, &ofdev->dev);
> - if (!match)
> + data = of_device_get_match_data(&ofdev->dev);
> + if (!data)
> return -EINVAL;

Please remove the "BUG_ON(!data)", which comes later.

> - data = match->data;
>
> base = of_iomap(np, 0);
> if (!base) {
> --
> 2.20.1.windows.1
>
>
>
>

regards,
Marc

--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
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