Re: [RFC PATCH] usb: gadget: Introduce Cadence USB2 UDC Driver

[Felipe Balbi]

Hi,

Neil Armstrong <narmstrong@xxxxxxxxxxxx> writes:
> Introduces UDC support for the Device-Mode only version of the
> Cadence USB2 Controller IP Core.
>
> Host mode and OTG mode are not implemented by lack of hardware.
> Support for Isochronous endpoints is not implemented by lack of time.
>
> Internal DMA is supported and can be activated by DT property.
>
> Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>

looks like there are a few checkpatch warnings to be fixed:

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#89: 
new file mode 100644

WARNING: 'tranfer' may be misspelled - perhaps 'transfer'?
#233: FILE: drivers/usb/gadget/udc/cadence_hsudc.c:44:
+ *  - EP Bulk and Interrupt tranfer

WARNING: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON()
#968: FILE: drivers/usb/gadget/udc/cadence_hsudc.c:779:
+	BUG();

WARNING: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON()
#1492: FILE: drivers/usb/gadget/udc/cadence_hsudc.c:1303:
+		BUG();

WARNING: DT compatible string "cdns,usbhs-udc" appears un-documented -- check workspace/linux/Documentation/devicetree/bindings/
#1882: FILE: drivers/usb/gadget/udc/cadence_hsudc.c:1693:
+	{ .compatible = "cdns,usbhs-udc" },

WARNING: 'tranfer' may be misspelled - perhaps 'transfer'?
#2603: FILE: drivers/usb/gadget/udc/cadence_hsudc_regs.h:272:
+#define HSUDC_DMA_BUSCTRL_HSIZE_8BIT	(0 << 1) /* 8-bit data tranfer */

WARNING: 'tranfer' may be misspelled - perhaps 'transfer'?
#2604: FILE: drivers/usb/gadget/udc/cadence_hsudc_regs.h:273:
+#define HSUDC_DMA_BUSCTRL_HSIZE_16BIT	(1 << 1) /* 16-bit data tranfer */

WARNING: 'tranfer' may be misspelled - perhaps 'transfer'?
#2605: FILE: drivers/usb/gadget/udc/cadence_hsudc_regs.h:274:
+#define HSUDC_DMA_BUSCTRL_HSIZE_32BIT	(2 << 1) /* 32-bit data tranfer */

WARNING: 'tranfer' may be misspelled - perhaps 'transfer'?
#2607: FILE: drivers/usb/gadget/udc/cadence_hsudc_regs.h:276:
+#define HSUDC_DMA_BUSCTRL_BURST_SINGLE	(0 << 4) /* Single tranfer */

total: 0 errors, 9 warnings, 2499 lines checked

Your patch has style problems, please review.

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.

-- 
balbi

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