Re: [PATCH] usb: gadget: udc: remove unused usbf_ep_dma_reg_clrset function

From: Herve Codina
Date: Sun Mar 19 2023 - 14:24:16 EST


Hi Tom,

On Sun, 19 Mar 2023 11:59:10 -0400
Tom Rix <trix@xxxxxxxxxx> wrote:

> clang with W=1 reports
> drivers/usb/gadget/udc/renesas_usbf.c:548:20: error: unused function
> 'usbf_ep_dma_reg_clrset' [-Werror,-Wunused-function]
> static inline void usbf_ep_dma_reg_clrset(struct usbf_ep *ep, uint offset,
> ^
> This function is not used, so remove it.
>
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
> ---
> drivers/usb/gadget/udc/renesas_usbf.c | 11 -----------
> 1 file changed, 11 deletions(-)
>
> diff --git a/drivers/usb/gadget/udc/renesas_usbf.c b/drivers/usb/gadget/udc/renesas_usbf.c
> index cb23e62e8a87..84ac9fe4ce7f 100644
> --- a/drivers/usb/gadget/udc/renesas_usbf.c
> +++ b/drivers/usb/gadget/udc/renesas_usbf.c
> @@ -545,17 +545,6 @@ static inline void usbf_ep_dma_reg_bitclr(struct usbf_ep *ep, uint offset,
> usbf_ep_dma_reg_writel(ep, offset, tmp);
> }
>
> -static inline void usbf_ep_dma_reg_clrset(struct usbf_ep *ep, uint offset,
> - u32 clr, u32 set)
> -{
> - u32 tmp;
> -
> - tmp = usbf_ep_dma_reg_readl(ep, offset);
> - tmp &= ~clr;
> - tmp |= set;
> - usbf_ep_dma_reg_writel(ep, offset, tmp);
> -}
> -
> static void usbf_ep0_send_null(struct usbf_ep *ep0, bool is_data1)
> {
> u32 set;

Yes, indeed.

Acked-by: Herve Codina <herve.codina@xxxxxxxxxxx>

Thanks for the patch.
Regards,
Hervé

--
Hervé Codina, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com