From: "Jan Beulich" <JBeulich@suse.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
boris.ostrovsky@oracle.com, Keir Fraser <keir@xen.org>,
Ian Jackson <Ian.Jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>
Subject: Re: [PATCH 0/4] ns16550: enable support for Pericom controllers
Date: Mon, 29 Feb 2016 10:03:53 -0700 [thread overview]
Message-ID: <56D4880902000078000D7816@prv-mh.provo.novell.com> (raw)
In-Reply-To: <20160229165610.GA8004@char.us.oracle.com>
>>> On 29.02.16 at 17:56, <konrad.wilk@oracle.com> wrote:
> On Tue, Feb 23, 2016 at 04:22:35AM -0700, Jan Beulich wrote:
>> Patches 1 and 2 are meant to go in. Patch 3 is a prerequisite to patch
>> 4 and may go in as well, but patch 4 is RFC because with the Pericom
>> board I have MSI doesn't appear to function. Since it also does not
>> work in baremetal Linux when doing the trivial adjustments needed in
>> its driver, I suspect the feature doesn't work in general, which is
>> supported by the observation that the device continues to assert
>> INTx despite the MSI enable bit being set (causing unclaimed IRQs
>> until that IRQ gets shut off). While I got some responses back from
>> Pericom support, no actual statement of whether MSI is actually
>> known to work on their boards was ever made by them. I _think_
>> patch 4 is correct (and hence could go in), but I have no way of
>> proving this by testing.
>>
>> 1: ns16550: store pointer to config parameters for PCI
>> 2: ns16550: enable Pericom controller support
>> 3: console: adjust IRQ initialization
>> 4: ns16550: enable use of PCI MSI
>>
>> Signed-off-by: Jan Beulich <jbeulich@suse.com>
>>
>> (Konrad, I'd appreciate if you could double check that I didn't
>> accidentally break the Oxford controller support.)
>
> Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thanks!
Jan
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next prev parent reply other threads:[~2016-02-29 17:04 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-23 11:22 [PATCH 0/4] ns16550: enable support for Pericom controllers Jan Beulich
2016-02-23 11:28 ` [PATCH 1/4] ns16550: store pointer to config parameters for PCI Jan Beulich
2016-03-07 21:06 ` Konrad Rzeszutek Wilk
2016-02-23 11:28 ` [PATCH 2/4] ns16550: enable Pericom controller support Jan Beulich
2016-03-07 22:04 ` Konrad Rzeszutek Wilk
2016-03-08 8:48 ` Jan Beulich
2016-03-09 16:52 ` Konrad Rzeszutek Wilk
2016-03-09 17:01 ` Jan Beulich
2016-03-11 2:31 ` Konrad Rzeszutek Wilk
2016-03-11 11:02 ` Jan Beulich
2016-03-22 13:19 ` [PATCH v2 " Jan Beulich
2016-03-28 14:46 ` Konrad Rzeszutek Wilk
2016-02-23 11:30 ` [PATCH 3/4] console: adjust IRQ initialization Jan Beulich
2016-03-07 22:10 ` Konrad Rzeszutek Wilk
2016-02-23 11:30 ` [PATCH RFC 4/4] ns16550: enable use of PCI MSI Jan Beulich
2016-02-29 16:56 ` [PATCH 0/4] ns16550: enable support for Pericom controllers Konrad Rzeszutek Wilk
2016-02-29 17:03 ` Jan Beulich [this message]
2016-03-04 13:19 ` Ping: " Jan Beulich
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