Re: [PATCHv3 net-next] net: modernize ioremap in probe
From: Sergey Shtylyov
Date: Tue Nov 19 2024 - 15:03:11 EST
On 11/18/24 12:27 AM, Rosen Penev wrote:
> Convert platform_get_resource_bynam + devm_ioremap_resource to
> devm_platform_ioremap_resource_byname.
>
> Convert platform_get_resource + devm_ioremap_resource to
> devm_platform_ioremap_resource.
>
> resource aquisition and ioremap can be performed in one step.
>
> Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
> ---
> v3: reworded commit message again. Also removed devm_ioremap
> conversions. Even though they use normal resource, they are not
> the same.
> v2: fixed compilation errors on PPC and reworded commit message
> drivers/net/dsa/hirschmann/hellcreek.c | 18 +++---------------
> drivers/net/ethernet/atheros/ag71xx.c | 13 +++++--------
> drivers/net/ethernet/broadcom/bcm63xx_enet.c | 6 ++----
> .../net/ethernet/marvell/mvpp2/mvpp2_main.c | 14 +++++---------
> drivers/net/ethernet/renesas/rswitch.c | 9 +--------
> drivers/net/ethernet/renesas/rtsn.c | 10 ++--------
> drivers/net/mdio/mdio-ipq4019.c | 5 +----
> 7 files changed, 19 insertions(+), 56 deletions(-)
>
> diff --git a/drivers/net/dsa/hirschmann/hellcreek.c b/drivers/net/dsa/hirschmann/hellcreek.c
> index 283ec5a6e23c..940c4fa6a924 100644
> --- a/drivers/net/dsa/hirschmann/hellcreek.c
> +++ b/drivers/net/dsa/hirschmann/hellcreek.c
[...]
> @@ -1982,23 +1981,12 @@ static int hellcreek_probe(struct platform_device *pdev)
>
> hellcreek->dev = dev;
>
> - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "tsn");
> - if (!res) {
> - dev_err(dev, "No memory region provided!\n");
> - return -ENODEV;
> - }
> -
> - hellcreek->base = devm_ioremap_resource(dev, res);
> + hellcreek->base = devm_platform_ioremap_resource_byname(pdev, "tsn");
> if (IS_ERR(hellcreek->base))
> return PTR_ERR(hellcreek->base);
>
> - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ptp");
> - if (!res) {
> - dev_err(dev, "No PTP memory region provided!\n");
> - return -ENODEV;
> - }
> -
> - hellcreek->ptp_base = devm_ioremap_resource(dev, res);
> + hellcreek->ptp_base =
> + devm_platform_ioremap_resource_byname(pdev, "ptp");
You have full 100 columns now, so doing this with 2 lines doesn't seem necessary --
checkpatch.pl shouldn't complain...
[...]
Other than that, looks saner now... :-)
MBR, Sergey