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From: Leif Lindholm <leif.lindholm@linaro.org>
To: Ming Huang <ming.huang@linaro.org>
Cc: linaro-uefi@lists.linaro.org, edk2-devel@lists.01.org,
	graeme.gregory@linaro.org, ard.biesheuvel@linaro.org,
	michael.d.kinney@intel.com, lersek@redhat.com,
	wanghuiqiang@huawei.com, huangming23@huawei.com,
	zhangjinsong2@huawei.com, huangdaode@hisilicon.com,
	john.garry@huawei.com, xinliang.liu@linaro.org,
	zhangfeng56@huawei.com
Subject: Re: [PATCH edk2-platforms v1 09/16] Hisilicon/D06: Add PCI_OSC_SUPPORT
Date: Wed, 13 Feb 2019 09:08:53 +0000	[thread overview]
Message-ID: <20190213090852.jbcwc7reifl4l24n@bivouac.eciton.net> (raw)
In-Reply-To: <71d90497-0095-5709-9938-3ac31212bb8d@linaro.org>

On Wed, Feb 13, 2019 at 10:59:17AM +0800, Ming Huang wrote:
> On 2/12/2019 2:51 AM, Leif Lindholm wrote:
> > On Fri, Feb 01, 2019 at 09:34:29PM +0800, Ming Huang wrote:
> >> Add PCI_OSC_SUPPORT for remaining host bridges to remove fail
> >> output in kernel:
> >> [  103.478893] acpi PNP0A08:01: _OSC failed (AE_NOT_FOUND);
> >>
> >> Contributed-under: TianoCore Contribution Agreement 1.1
> >> Signed-off-by: Ming Huang <ming.huang@linaro.org>
> >> ---
> >>  Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/Dsdt/Hi1620Pci.asl | 64 ++++++++++++++++++++
> >>  1 file changed, 64 insertions(+)
> >>
> >> diff --git a/Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/Dsdt/Hi1620Pci.asl b/Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/Dsdt/Hi1620Pci.asl
> >> index 4d9d9d95be68..86d8728b82f2 100644
> >> --- a/Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/Dsdt/Hi1620Pci.asl
> >> +++ b/Silicon/Hisilicon/Hi1620/Hi1620AcpiTables/Dsdt/Hi1620Pci.asl
> >> @@ -17,6 +17,50 @@
> >>  **/
> >>  
> >>  //#include "ArmPlatform.h"
> >> +
> >> +/*
> >> +  See ACPI 6.1 Spec, 6.2.11, PCI Firmware Spec 3.0, 4.5
> >> +*/
> >> +#define PCI_OSC_SUPPORT() \
> > 
> > PCI0 and PCI6 already have _OSC entries.
> > This macro ends up being used for 1-5 and 7-B.
> > So calling it PCI_OSC_SUPPORT seems somewhat misleading.
> > 
> > Then again, there is a lot of similarities between this macro and the
> > existing entries. Could the same macro be used for 0 and 6? Or could
> > the macro be split up into multiple parts and reused?
> 
> When I make this patch, I try to rewrite PCI0/6 with the same macro, but
> the macro don't support parameter. For spliting up multiple parts, if modify
> something in future, the parts need to split up to smaller parts. So, if
> need to rewrite PCI0/6 with macro, is it applicable to add another macro
> PCI_OSC_SUPPORT_HOTPLUG?

Yes, that sounds like a good solution to me.

Regards,

Leif


  reply	other threads:[~2019-02-13  9:08 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-01 13:34 [PATCH edk2-platforms v1 00/16] Fix issues and improve D0x Ming Huang
2019-02-01 13:34 ` [PATCH edk2-platforms v1 01/16] Hisilicon/D0x: Remove SerdesLib Ming Huang
2019-02-11 15:05   ` Leif Lindholm
2019-02-13  6:36     ` Ming Huang
2019-02-13  9:42       ` Leif Lindholm
2019-02-13 11:39         ` Ming Huang
2019-02-14 10:51         ` Ming Huang
2019-02-01 13:34 ` [PATCH edk2-platforms v1 02/16] Hisilicon/D0x: Add DriverHealthManagerDxe Ming Huang
2019-02-11 15:20   ` Leif Lindholm
2019-02-01 13:34 ` [PATCH edk2-platforms v1 03/16] Hisilicon/D06: Optimize SAS driver for reducing boot time Ming Huang
2019-02-12 15:12   ` Leif Lindholm
2019-02-13  6:01     ` Ming Huang
2019-02-01 13:34 ` [PATCH edk2-platforms v1 04/16] Hisilicon/D06: Fix access variable fail issue Ming Huang
2019-02-12 15:17   ` Leif Lindholm
2019-02-13  2:21     ` Ming Huang
2019-02-01 13:34 ` [PATCH edk2-platforms v1 05/16] Hisilicon/D06: Add more PCIe port INT-x support Ming Huang
2019-02-11 17:05   ` Leif Lindholm
2019-02-12 12:27     ` Ming Huang
2019-02-01 13:34 ` [PATCH edk2-platforms v1 06/16] Hisilicon/D06: Add OemGetCpuFreq to encapsulate difference Ming Huang
2019-02-11 17:15   ` Leif Lindholm
2019-02-13  2:29     ` Ming Huang
2019-02-01 13:34 ` [PATCH edk2-platforms v1 07/16] Hisilicon/D0x: Rename StartupAp() function Ming Huang
2019-02-11 18:04   ` Leif Lindholm
2019-02-01 13:34 ` [PATCH edk2-platforms v1 08/16] Hisilicon/D06: Change HCCS speed from 30G to 26G Ming Huang
2019-02-11 18:36   ` Leif Lindholm
2019-02-12 14:45     ` Ming Huang
2019-02-12 14:59       ` Leif Lindholm
2019-02-01 13:34 ` [PATCH edk2-platforms v1 09/16] Hisilicon/D06: Add PCI_OSC_SUPPORT Ming Huang
2019-02-11 18:51   ` Leif Lindholm
2019-02-13  2:59     ` Ming Huang
2019-02-13  9:08       ` Leif Lindholm [this message]
2019-02-01 13:34 ` [PATCH edk2-platforms v1 10/16] Hisilicon/D06: Modify for M7 self-Adapte support Ming Huang
2019-02-11 19:28   ` Leif Lindholm
2019-02-12 15:14     ` Ming Huang
2019-02-12 15:46       ` Leif Lindholm
2019-02-13  4:38         ` Ming Huang
2019-02-01 13:34 ` [PATCH edk2-platforms v1 11/16] Hisilicon/D06: Add Setup Item "Support DPC" Ming Huang
2019-02-11 19:46   ` Leif Lindholm
2019-02-12 15:22     ` Ming Huang
2019-02-12 15:49       ` Leif Lindholm
2019-02-01 13:34 ` [PATCH edk2-platforms v1 12/16] Hisilicon/D06: Use new flash layout Ming Huang
2019-02-11 14:54   ` Leif Lindholm
2019-02-13  4:43     ` Ming Huang
2019-02-01 13:34 ` [PATCH edk2-platforms v1 13/16] Hisilicon/D06: Remove SECURE_BOOT_ENABLE definition Ming Huang
2019-02-11 19:47   ` Leif Lindholm
2019-02-01 13:34 ` [PATCH edk2-platforms v1 14/16] Hisilicon/D0x: Remove SP805 watchdog pcd Ming Huang
2019-02-11 19:48   ` Leif Lindholm
2019-02-15 14:18 ` [PATCH edk2-platforms v1 00/16] Fix issues and improve D0x Ming Huang

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