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From: Felipe Balbi <balbi@kernel.org>
To: Thinh Nguyen <Thinh.Nguyen@synopsys.com>Thinh Nguyen
	<Thinh.Nguyen@synopsys.com>,
	linux-usb@vger.kernel.org
Cc: John Youn <John.Youn@synopsys.com>
Subject: [03/15] usb: dwc3: Update DWC_usb31 GTXFIFOSIZ reg fields
Date: Mon, 08 Jan 2018 14:01:27 +0200	[thread overview]
Message-ID: <87y3l8k19k.fsf@linux.intel.com> (raw)

Hi,

Thinh Nguyen <Thinh.Nguyen@synopsys.com> writes:
> Update two GTXFIFOSIZ bit fields for the DWC_usb31 controller. TXFDEP
> is a 15-bit value instead of 16-bit value, and bit 15 is TXFRAMNUM.
>
> The GTXFIFOSIZ register for DWC_usb31 is as follows:
>  +-------+-----------+----------------------------------+
>  | BITS  | Name      | Description                      |
>  +=======+===========+==================================+
>  | 31:16 | TXFSTADDR | Transmit FIFOn RAM Start Address |
>  | 15    | TXFRAMNUM | Asynchronous/Periodic TXFIFO     |
>  | 14:0  | TXFDEP    | TXFIFO Depth                     |
>  +-------+-----------+----------------------------------+
>
> Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
> ---
>  drivers/usb/dwc3/core.h | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
> index 4a4a4c98508c..6ebf7ddc547d 100644
> --- a/drivers/usb/dwc3/core.h
> +++ b/drivers/usb/dwc3/core.h
> @@ -239,6 +239,8 @@
>  #define DWC3_GUSB3PIPECTL_TX_DEEPH(n)	((n) << 1)
>  
>  /* Global TX Fifo Size Register */
> +#define DWC3_USB31_GTXFIFOSIZ_TXFRAMNUM	BIT(15)		/* DWC_usb31 only */
> +#define DWC3_USB31_GTXFIFOSIZ_TXFDEF(n)	((n) & 0x7fff)	/* DWC_usb31 only */

just to make it shorter, do you mind replacing DWC3_USB31 with DWC31 ?

             reply	other threads:[~2018-01-08 12:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-08 12:01 Felipe Balbi [this message]
  -- strict thread matches above, loose matches on Subject: below --
2018-01-08 23:22 [03/15] usb: dwc3: Update DWC_usb31 GTXFIFOSIZ reg fields Thinh Nguyen
2018-01-05 20:13 Thinh Nguyen

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