linux-kernel - Re: [PATCH 07/12] xhci: Add option to get next extended capability in list by passing id = 0

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Date:   Fri, 16 Feb 2018 15:21:36 +0200
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org,
        Mathias Nyman <mathias.nyman@...ux.intel.com>
Subject: Re: [PATCH 07/12] xhci: Add option to get next extended capability
 in list by passing id = 0

On Fri, Feb 16, 2018 at 11:47:46AM +0100, Hans de Goede wrote:
> From: Mathias Nyman <mathias.nyman@...ux.intel.com>
> 
> Modify xhci_find_next_ext_cap(base, offset, id) to return the next
> capability offset if 0 is passed for id. Otherwise it will behave as
> previously and return the offset of the next capability with matching id
> 
> capability id 0 is not used by xhci (reserved)
> 
> This is useful when we want to loop through all capabilities.
> 
> Signed-off-by: Mathias Nyman <mathias.nyman@...ux.intel.com>
> Signed-off-by: Hans de Goede <hdegoede@...hat.com>

FWIW:

Reviewed-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>


Br,

-- 
heikki