From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kenji Kaneshige Subject: Re: [PATCH 2/8] PCI PM: PCIe PME root port service driver (rev. 5) Date: Fri, 19 Feb 2010 11:07:34 +0900 Message-ID: <4B7DF266.6050201__1276.27044353193$1266545810$gmane$org@jp.fujitsu.com> References: <201002172335.47703.rjw@sisk.pl> <201002172339.08865.rjw@sisk.pl> <4B7CBD37.9000706@jp.fujitsu.com> <201002182057.53002.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <201002182057.53002.rjw@sisk.pl> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: "Rafael J. Wysocki" Cc: Matthew Garrett , Linux PCI , "Moore, Robert" , Jesse Barnes , LKML , ACPI Devel Maling List , pm list List-Id: linux-pm@vger.kernel.org Rafael J. Wysocki wrote: > On Thursday 18 February 2010, Kenji Kaneshige wrote: >> Hi, >> >> I'm sorry for the delayed comments. >> >>> + >>> +/** >>> + * pcie_pme_interrupt_enable - Enable/disable PCIe PME interrupt generation. >>> + * @dev: PCIe root port or event collector. >>> + * @enable: Enable or disable the interrupt. >>> + */ >>> +static void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable) >>> +{ >>> + int rtctl_pos; >>> + u16 rtctl; >>> + >>> + rtctl_pos = pci_find_capability(dev, PCI_CAP_ID_EXP) + PCI_EXP_RTCTL; >> How about >> >> rtctl_pos = pci_pcie_cap(dev) + PCI_EXP_RTCTL; >> >> ? >> >> The pci_pcie_cap() returns PCIe capability offset saved in struct pci_dev. >> By using this, we can avoid redundant search in PCI configuration space. > > While I agree with the comment, I'd prefer to change this with a separate > patch, unless the entire patchset misses the merge window. > Ok. Actually, I didn't realize your set of patches was already in linux-next, sorry. I'll send a patch as a separate one. Thanks, Kenji Kaneshige