Re: [PATCH 28/30] usb: ehci-st: Use devm_platform_get_and_ioremap_resource()
From: Patrice CHOTARD
Date: Mon Aug 28 2023 - 05:09:45 EST
On 7/26/23 13:38, Yangtao Li wrote:
> Convert platform_get_resource(), devm_ioremap_resource() to a single
> call to devm_platform_get_and_ioremap_resource(), as this is exactly
> what this function does.
>
> Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>
> ---
> drivers/usb/host/ehci-st.c | 12 +++---------
> 1 file changed, 3 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-st.c b/drivers/usb/host/ehci-st.c
> index ee0976b815b4..2dbb0d86daaa 100644
> --- a/drivers/usb/host/ehci-st.c
> +++ b/drivers/usb/host/ehci-st.c
> @@ -158,11 +158,6 @@ static int st_ehci_platform_probe(struct platform_device *dev)
> irq = platform_get_irq(dev, 0);
> if (irq < 0)
> return irq;
> - res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0);
> - if (!res_mem) {
> - dev_err(&dev->dev, "no memory resource provided");
> - return -ENXIO;
> - }
>
> hcd = usb_create_hcd(&ehci_platform_hc_driver, &dev->dev,
> dev_name(&dev->dev));
> @@ -222,14 +217,13 @@ static int st_ehci_platform_probe(struct platform_device *dev)
> goto err_put_clks;
> }
>
> - hcd->rsrc_start = res_mem->start;
> - hcd->rsrc_len = resource_size(res_mem);
> -
> - hcd->regs = devm_ioremap_resource(&dev->dev, res_mem);
> + hcd->regs = devm_platform_get_and_ioremap_resource(dev, 0, &res_mem);
> if (IS_ERR(hcd->regs)) {
> err = PTR_ERR(hcd->regs);
> goto err_put_clks;
> }
> + hcd->rsrc_start = res_mem->start;
> + hcd->rsrc_len = resource_size(res_mem);
>
> err = usb_add_hcd(hcd, irq, IRQF_SHARED);
> if (err)
Reviewed-by: Patrice Chotard <patrice.chotard@xxxxxxxxxxx>
Thanks
Patrice