[PATCH v3 6/8] usb: dwc2: Extract macro definitions to common header

Mattijs Korpershoek mkorpershoek at baylibre.com
Tue Jan 7 10:55:04 CET 2025


Hi Junhui,

Thank you for the patch.

On sam., janv. 04, 2025 at 11:37, Junhui Liu <junhui.liu at pigmoral.tech> wrote:

> From: Kongyang Liu <seashell11234455 at gmail.com>
>
> Some macros are shared between host and gadget code, causing duplicated
> definitions. Move DWC2 macro definitions from host and gadget code into a
> common header to reduce duplication.
>
> Signed-off-by: Kongyang Liu <seashell11234455 at gmail.com>
> Reviewed-by: Marek Vasut <marex at denx.de>
> Tested-by: Peter Robinson <pbrobinson at gmail.com>
> Signed-off-by: Junhui Liu <junhui.liu at pigmoral.tech>
> ---
>  drivers/usb/common/dwc2_core.h         | 430 +++++++++++++++++++++++++++++++++
>  drivers/usb/gadget/dwc2_udc_otg_regs.h | 160 +-----------
>  drivers/usb/host/dwc2.h                | 291 ----------------------
>  3 files changed, 431 insertions(+), 450 deletions(-)

[...]

>
>  #endif /* __DWC2_CORE_H_ */
> diff --git a/drivers/usb/gadget/dwc2_udc_otg_regs.h b/drivers/usb/gadget/dwc2_udc_otg_regs.h
> index 6aec55970db682ef8a21fad0b47144a4a87a47ca..d27b2f6187ff35991bbbc05d97b6063117b082f0 100644
> --- a/drivers/usb/gadget/dwc2_udc_otg_regs.h
> +++ b/drivers/usb/gadget/dwc2_udc_otg_regs.h
> @@ -10,65 +10,7 @@
>  #ifndef __ASM_ARCH_REGS_USB_OTG_HS_H
>  #define __ASM_ARCH_REGS_USB_OTG_HS_H
>  
> -#include <linux/bitops.h>
> -
> -struct dwc2_usbotg_phy {
> -	u32 phypwr;
> -	u32 phyclk;
> -	u32 rstcon;
> -};

This structure definition gets removed but is still used
in drivers/usb/gadget/dwc2_udc_otg_phy.c. See otg_phy_init() for example.

Is that intentional ?

> -
> -/*===================================================================== */
> -/*definitions related to CSR setting */
> -

[...]

>
> -- 
> 2.47.1


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