From: Sinan Kaya <okaya@codeaurora.org> To: linux-pci@vger.kernel.org, timur@codeaurora.org Cc: mayurkumar.patel@intel.com, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sinan Kaya <okaya@codeaurora.org>, Bjorn Helgaas <bhelgaas@google.com>, Rajat Jain <rajatja@google.com>, Shawn Lin <shawn.lin@rock-chips.com>, David Daney <david.daney@cavium.com>, Julia Lawall <Julia.Lawall@lip6.fr>, linux-kernel@vger.kernel.org Subject: [PATCH V7 2/5] PCI/ASPM: split pci_aspm_init() into two Date: Thu, 30 Mar 2017 09:30:33 -0400 [thread overview] Message-ID: <1490880636-30542-3-git-send-email-okaya@codeaurora.org> (raw) In-Reply-To: <1490880636-30542-1-git-send-email-okaya@codeaurora.org> 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 <okaya@codeaurora.org> --- 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
WARNING: multiple messages have this Message-ID (diff)
From: okaya@codeaurora.org (Sinan Kaya) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH V7 2/5] PCI/ASPM: split pci_aspm_init() into two Date: Thu, 30 Mar 2017 09:30:33 -0400 [thread overview] Message-ID: <1490880636-30542-3-git-send-email-okaya@codeaurora.org> (raw) In-Reply-To: <1490880636-30542-1-git-send-email-okaya@codeaurora.org> 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 <okaya@codeaurora.org> --- 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
next prev parent reply other threads:[~2017-03-30 13:30 UTC|newest] Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-03-30 13:30 [PATCH V7 0/5] PCI/ASPM: reconfigure ASPM following hotplug for POLICY_DEFAULT Sinan Kaya 2017-03-30 13:30 ` Sinan Kaya 2017-03-30 13:30 ` [PATCH V7 1/5] PCI/ASPM: introduce pci_aspm_init() and add to pci_init_capabilities() Sinan Kaya 2017-03-30 13:30 ` Sinan Kaya 2017-03-30 13:30 ` Sinan Kaya 2017-03-30 13:30 ` Sinan Kaya [this message] 2017-03-30 13:30 ` [PATCH V7 2/5] PCI/ASPM: split pci_aspm_init() into two Sinan Kaya 2017-03-30 13:30 ` [PATCH V7 3/5] PCI/ASPM: add init hook to device_add Sinan Kaya 2017-03-30 13:30 ` Sinan Kaya 2017-03-30 13:30 ` [PATCH V7 4/5] PCI/ASPM: save power on values during bridge init Sinan Kaya 2017-03-30 13:30 ` Sinan Kaya 2017-03-30 13:30 ` [PATCH V7 5/5] PCI/ASPM: move link_state cleanup to bridge remove Sinan Kaya 2017-03-30 13:30 ` Sinan Kaya 2017-04-04 13:13 ` [PATCH V7 0/5] PCI/ASPM: reconfigure ASPM following hotplug for POLICY_DEFAULT Sinan Kaya 2017-04-04 13:13 ` Sinan Kaya 2017-04-04 13:13 ` Sinan Kaya 2017-04-04 15:02 ` Patel, Mayurkumar 2017-04-04 15:02 ` Patel, Mayurkumar 2017-04-04 15:02 ` Patel, Mayurkumar 2017-04-06 13:23 ` Patel, Mayurkumar 2017-04-06 13:23 ` Patel, Mayurkumar 2017-04-06 13:23 ` Patel, Mayurkumar 2017-04-06 15:19 ` Sinan Kaya 2017-04-06 15:19 ` Sinan Kaya 2017-04-06 15:19 ` Sinan Kaya 2017-04-06 17:10 ` Rajat Jain 2017-04-06 17:10 ` Rajat Jain 2017-04-06 17:10 ` Rajat Jain 2017-04-07 0:34 ` Sinan Kaya 2017-04-07 0:34 ` Sinan Kaya 2017-04-07 0:34 ` Sinan Kaya 2017-04-07 16:46 ` Rajat Jain 2017-04-07 16:46 ` Rajat Jain 2017-04-07 9:03 ` Patel, Mayurkumar 2017-04-07 9:03 ` Patel, Mayurkumar 2017-04-07 9:03 ` Patel, Mayurkumar 2017-04-07 13:09 ` Sinan Kaya 2017-04-07 13:09 ` Sinan Kaya 2017-04-07 13:09 ` Sinan Kaya 2017-04-08 5:03 ` Sinan Kaya 2017-04-08 5:03 ` Sinan Kaya 2017-04-08 5:03 ` Sinan Kaya 2017-04-07 17:15 ` Rajat Jain 2017-04-07 17:15 ` Rajat Jain 2017-04-10 11:44 ` Patel, Mayurkumar 2017-04-10 11:44 ` Patel, Mayurkumar 2017-04-10 11:44 ` Patel, Mayurkumar 2017-04-06 15:36 ` Sinan Kaya 2017-04-06 15:36 ` Sinan Kaya 2017-04-06 15:36 ` Sinan Kaya 2017-04-06 15:56 ` Patel, Mayurkumar 2017-04-06 15:56 ` Patel, Mayurkumar 2017-04-06 15:56 ` Patel, Mayurkumar
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