From: Connor Davis <connojdavis@gmail.com>
To: Julien Grall <julien@xen.org>, xen-devel@lists.xenproject.org
Cc: "Andrew Cooper" <andrew.cooper3@citrix.com>,
"George Dunlap" <george.dunlap@citrix.com>,
"Ian Jackson" <iwj@xenproject.org>,
"Jan Beulich" <jbeulich@suse.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Wei Liu" <wl@xen.org>, "Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH] drivers/char: Add USB3 debug capability driver
Date: Mon, 17 May 2021 07:41:50 -0600 [thread overview]
Message-ID: <60cc20a9-03b1-214e-d3f2-6f383d10ac03@gmail.com> (raw)
In-Reply-To: <46931334-d4a8-eb89-0b81-727ff30c0ec0@xen.org>
On 5/17/21 3:36 AM, Julien Grall wrote:
> Hi Connor,
>
> On 12/05/2021 01:12, Connor Davis wrote:
>> +config XHCI_FIXMAP_PAGES
>> + int "Number of fixmap entries to allocate for the xHC"
>> + depends on HAS_XHCI_DBC
>> + default 16
>> + help
>> + This should equal the size (in 4K pages) of the first 64-bit
>> + BAR of the host controller in which the DbC is being used.
>
> Why can't you use the ioremap() for the new serial controller? Is this
> going to be used by Xen very early?
>
> Cheers,
>
Yes it is used very early
Thanks,
Connor
prev parent reply other threads:[~2021-05-17 13:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-12 0:12 [PATCH] drivers/char: Add USB3 debug capability driver Connor Davis
2021-05-17 9:27 ` Jan Beulich
2021-05-17 13:40 ` Connor Davis
2021-05-17 13:47 ` Jan Beulich
2021-05-17 9:36 ` Julien Grall
2021-05-17 13:41 ` Connor Davis [this message]
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