Re: [PATCH] MIPS: OCTEON: Platform support for DWC3 USB controller.

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Hi,

On Fri, Jan 06, 2017 at 05:42:24PM -0600, Steven J. Hill wrote:
> Add all the necessary platform code to initialize the dwc3
> USB host controller found on OCTEON III processors. This
> code initializes the clocks and resets the USB core with
> PHYs. It is then passed off to the platform independent
> DWC3 driver found in the 'drivers/usb/dwc3' directory.
> Based off code written by David Daney.
> 
> Signed-off-by: Steven J. Hill <Steven.Hill@xxxxxxxxxx>

[...]

> +/* USB Control Register */
> +union cvm_usbdrd_uctl_ctl {
> +	uint64_t u64;
> +	struct cvm_usbdrd_uctl_ctl_s {
> +	/* 1 = BIST and set all USB RAMs to 0x0, 0 = BIST */
> +	__BITFIELD_FIELD(uint64_t clear_bist:1,
> +	/* 1 = Start BIST and cleared by hardware */
> +	__BITFIELD_FIELD(uint64_t start_bist:1,
> +	/* Reference clock select for SuperSpeed and HighSpeed PLLs:
> +	 *	0x0 = Both PLLs use DLMC_REF_CLK0 for reference clock
> +	 *	0x1 = Both PLLs use DLMC_REF_CLK1 for reference clock
> +	 *	0x2 = SuperSpeed PLL uses DLMC_REF_CLK0 for reference clock &
> +	 *	      HighSpeed PLL uses PLL_REF_CLK for reference clck
> +	 *	0x3 = SuperSpeed PLL uses DLMC_REF_CLK1 for reference clock &
> +	 *	      HighSpeed PLL uses PLL_REF_CLK for reference clck
> +	 */

Maybe use kernel-doc comment style to document the fields?

> +typedef union cvm_usbdrd_uctl_ctl cvm_usbdrd_uctl_ctl_t;

[...]

> +typedef union cvm_usbdrd_uctl_host_cfg cvm_usbdrd_uctl_host_cfg_t;

[...]

> +typedef union cvm_usbdrd_uctl_shim_cfg cvm_usbdrd_uctl_shim_cfg_t;

These typedefs are not used, so they should not be added.

A.




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