From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: From: Sinan Kaya To: linux-pci@vger.kernel.org, timur@codeaurora.org Subject: [PATCH V8 2/5] PCI/ASPM: split pci_aspm_init() into two Date: Sat, 8 Apr 2017 00:55:48 -0400 Message-Id: <1491627351-1111-3-git-send-email-okaya@codeaurora.org> In-Reply-To: <1491627351-1111-1-git-send-email-okaya@codeaurora.org> References: <1491627351-1111-1-git-send-email-okaya@codeaurora.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mayurkumar.patel@intel.com, David Daney , linux-arm-msm@vger.kernel.org, Shawn Lin , linux-kernel@vger.kernel.org, Sinan Kaya , Julia Lawall , Bjorn Helgaas , Rajat Jain , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+bjorn=helgaas.com@lists.infradead.org List-ID: Split pci_aspm_init() body into pci_aspm_init_upstream() and pci_aspm_init_downstream() for bridge and endpoint specific code behavior. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=194895 Signed-off-by: Sinan Kaya --- drivers/pci/pcie/aspm.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index dc36717..a80d64b 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -826,6 +826,16 @@ static struct pcie_link_state *alloc_pcie_link_state(struct pci_dev *pdev) return link; } +static int pci_aspm_init_downstream(struct pci_dev *pdev) +{ + return 0; +} + +static int pci_aspm_init_upstream(struct pci_dev *pdev) +{ + return 0; +} + /* * pci_aspm_init: Initiate PCI express link state. * It is called from device_add for every single pci device. @@ -833,7 +843,10 @@ static struct pcie_link_state *alloc_pcie_link_state(struct pci_dev *pdev) */ int pci_aspm_init(struct pci_dev *pdev) { - return 0; + if (!pdev->has_secondary_link) + return pci_aspm_init_downstream(pdev); + + return pci_aspm_init_upstream(pdev); } /* -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel