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Re: [PATCH v2 4/6] usb: dwc3; ep0: Modify _dwc3_ep0_start_trans_ API to take 'chain' parameter

From Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 4/6] usb: dwc3; ep0: Modify _dwc3_ep0_start_trans_ API to take 'chain' parameter
Date 2015-07-24 15:00 +0200
Message-ID <pPKJZ-6e8-21@gated-at.bofh.it> (permalink)
References <pPEXT-6lh-3@gated-at.bofh.it> <pPEXT-6lh-1@gated-at.bofh.it>
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Hello.

On 7/24/2015 9:47 AM, Kishon Vijay Abraham I wrote:

> No functional change. Added a new parameter in _dwc3_ep0_start_trans_ to
> indicate whether the TRB is a chained TRB or last TRB. This is in
> preparation for adding chained TRB support for ep0.

> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> ---
>   drivers/usb/dwc3/ep0.c |   15 ++++++++-------
>   1 file changed, 8 insertions(+), 7 deletions(-)

> diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
> index 4998074..d1a2be1 100644
> --- a/drivers/usb/dwc3/ep0.c
> +++ b/drivers/usb/dwc3/ep0.c
> @@ -56,7 +56,7 @@ static const char *dwc3_ep0_state_string(enum dwc3_ep0_state state)
>   }
>
>   static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
> -		u32 len, u32 type)
> +		u32 len, u32 type, unsigned chain)

    I'm seeing you always pass *false*, so why not just *bool* here?

[...]

WBR, Sergei

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Re: [PATCH v2 4/6] usb: dwc3; ep0: Modify _dwc3_ep0_start_trans_ API  to take 'chain' parameter Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-07-24 15:00 +0200

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