linux-kernel - Re: [Patch v3 6/7] x86/PCI/ACPI: Use common interface to support PCI host bridge

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Date:	Fri, 22 May 2015 21:55:42 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	Jiang Liu <jiang.liu@...ux.intel.com>,
	"Rafael J . Wysocki" <rjw@...ysocki.net>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Marc Zyngier <marc.zyngier@....com>,
	Yijing Wang <wangyijing@...wei.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
CC:	Lv Zheng <lv.zheng@...el.com>,
	"lenb @ kernel . org" <lenb@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [Patch v3 6/7] x86/PCI/ACPI: Use common interface to support
 PCI host bridge

On 2015年05月14日 16:56, Jiang Liu wrote:
> Use common interface to simplify ACPI PCI host bridge implementation.
>
> Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
> ---
>   arch/x86/pci/acpi.c |  292 +++++++++++++++------------------------------------
>   1 file changed, 85 insertions(+), 207 deletions(-)
>
[...]
> -static void release_pci_root_info(struct pci_host_bridge *bridge)
> +static void pci_acpi_root_release_info(struct acpi_pci_root_info *ci)
>   {
> -	struct resource *res;
> -	struct resource_entry *entry;
> -	struct pci_root_info *info = bridge->release_data;
> -
> -	resource_list_for_each_entry(entry, &bridge->windows) {
> -		res = entry->res;
> -		if (res->parent &&
> -		    (res->flags & (IORESOURCE_MEM | IORESOURCE_IO)))
> -			release_resource(res);
> -	}
> -
> -	teardown_mcfg_map(info);
> -	kfree(info);
> +	teardown_mcfg_map(ci);
> +	kfree(ci);

Implicit pointer cast? I think add a comment here that %p of ci
is same as %p of info would be helpful for review and easy understood.

other than that,

Reviewed-by: Hanjun Guo <hanjun.guo@...aro.org>

Thanks
Hanjun
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