From: Rajat Jain <rajatja@google.com> To: Sinan Kaya <okaya@codeaurora.org> Cc: linux-pci@vger.kernel.org, timur@codeaurora.org, "Patel, Mayurkumar" <mayurkumar.patel@intel.com>, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Bjorn Helgaas <bhelgaas@google.com>, Shawn Lin <shawn.lin@rock-chips.com>, Julia Lawall <Julia.Lawall@lip6.fr>, David Daney <david.daney@cavium.com>, linux-kernel@vger.kernel.org, Rajat Jain <rajatxjain@gmail.com> Subject: Re: [PATCH V8 2/5] PCI/ASPM: split pci_aspm_init() into two Date: Wed, 12 Apr 2017 12:16:52 -0700 [thread overview] Message-ID: <CACK8Z6EfUTDjCM=fmdHfWeu8UV5GN+i6PX9fKkR1H8K90TXozg@mail.gmail.com> (raw) In-Reply-To: <1491627351-1111-3-git-send-email-okaya@codeaurora.org> On Fri, Apr 7, 2017 at 9:55 PM, Sinan Kaya <okaya@codeaurora.org> wrote: > 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); > } Nit: if (x_flag()) return x(); return y(); May be better than if (!x_flag) return y(); return x(); > > /* > -- > 1.9.1 >
WARNING: multiple messages have this Message-ID (diff)
From: rajatja@google.com (Rajat Jain) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH V8 2/5] PCI/ASPM: split pci_aspm_init() into two Date: Wed, 12 Apr 2017 12:16:52 -0700 [thread overview] Message-ID: <CACK8Z6EfUTDjCM=fmdHfWeu8UV5GN+i6PX9fKkR1H8K90TXozg@mail.gmail.com> (raw) In-Reply-To: <1491627351-1111-3-git-send-email-okaya@codeaurora.org> On Fri, Apr 7, 2017 at 9:55 PM, Sinan Kaya <okaya@codeaurora.org> wrote: > 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); > } Nit: if (x_flag()) return x(); return y(); May be better than if (!x_flag) return y(); return x(); > > /* > -- > 1.9.1 >
next prev parent reply other threads:[~2017-04-12 19:17 UTC|newest] Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-04-08 4:55 [PATCH V8 0/5] PCI/ASPM: reconfigure ASPM following hotplug for POLICY_DEFAULT Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-08 4:55 ` [PATCH V8 1/5] PCI/ASPM: introduce pci_aspm_init() and add to pci_init_capabilities() Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-13 20:51 ` Bjorn Helgaas 2017-04-13 20:51 ` Bjorn Helgaas 2017-04-14 19:10 ` Sinan Kaya 2017-04-14 19:10 ` Sinan Kaya 2017-04-08 4:55 ` [PATCH V8 2/5] PCI/ASPM: split pci_aspm_init() into two Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-12 19:16 ` Rajat Jain [this message] 2017-04-12 19:16 ` Rajat Jain 2017-04-13 18:25 ` Bjorn Helgaas 2017-04-13 18:25 ` Bjorn Helgaas 2017-04-13 18:25 ` Bjorn Helgaas 2017-04-14 19:10 ` Sinan Kaya 2017-04-14 19:10 ` Sinan Kaya 2017-04-14 19:10 ` Sinan Kaya 2017-04-08 4:55 ` [PATCH V8 3/5] PCI/ASPM: add init hook to device_add Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-13 20:48 ` Bjorn Helgaas 2017-04-13 20:48 ` Bjorn Helgaas 2017-04-13 20:48 ` Bjorn Helgaas 2017-04-13 21:02 ` Bjorn Helgaas 2017-04-13 21:02 ` Bjorn Helgaas 2017-04-13 21:02 ` Bjorn Helgaas 2017-04-14 1:19 ` Sinan Kaya 2017-04-14 1:19 ` Sinan Kaya 2017-04-14 1:30 ` Bjorn Helgaas 2017-04-14 1:30 ` Bjorn Helgaas 2017-04-08 4:55 ` [PATCH V8 4/5] PCI/ASPM: save power on values during bridge init Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-12 19:19 ` Rajat Jain 2017-04-12 19:19 ` Rajat Jain 2017-04-12 19:19 ` Rajat Jain 2017-04-14 19:12 ` Sinan Kaya 2017-04-14 19:12 ` Sinan Kaya 2017-04-14 19:12 ` Sinan Kaya 2017-04-14 21:44 ` Bjorn Helgaas 2017-04-14 21:44 ` Bjorn Helgaas 2017-04-14 21:44 ` Bjorn Helgaas 2017-04-14 22:17 ` Sinan Kaya 2017-04-14 22:17 ` Sinan Kaya 2017-04-17 16:38 ` Bjorn Helgaas 2017-04-17 16:38 ` Bjorn Helgaas 2017-04-17 17:50 ` Sinan Kaya 2017-04-17 17:50 ` Sinan Kaya 2017-04-21 7:46 ` Patel, Mayurkumar 2017-04-21 7:46 ` Patel, Mayurkumar 2017-04-21 7:46 ` Patel, Mayurkumar 2017-04-21 7:46 ` Patel, Mayurkumar 2017-04-21 13:50 ` Sinan Kaya 2017-04-21 13:50 ` Sinan Kaya 2017-04-21 14:13 ` Patel, Mayurkumar 2017-04-21 14:13 ` Patel, Mayurkumar 2017-04-21 14:13 ` Patel, Mayurkumar 2017-04-21 14:13 ` Patel, Mayurkumar 2017-04-25 18:45 ` Bjorn Helgaas 2017-04-25 18:45 ` Bjorn Helgaas 2017-05-02 12:02 ` Patel, Mayurkumar 2017-05-02 12:02 ` Patel, Mayurkumar 2017-05-02 12:02 ` Patel, Mayurkumar 2017-05-03 21:10 ` Bjorn Helgaas 2017-05-03 21:10 ` Bjorn Helgaas 2017-05-03 21:10 ` Bjorn Helgaas 2017-05-15 9:10 ` Patel, Mayurkumar 2017-05-15 9:10 ` Patel, Mayurkumar 2017-05-15 9:10 ` Patel, Mayurkumar 2017-05-15 9:10 ` Patel, Mayurkumar 2017-04-08 4:55 ` [PATCH V8 5/5] PCI/ASPM: move link_state cleanup to bridge remove Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-08 4:55 ` Sinan Kaya 2017-04-10 11:37 ` [PATCH V8 0/5] PCI/ASPM: reconfigure ASPM following hotplug for POLICY_DEFAULT Patel, Mayurkumar 2017-04-10 11:37 ` Patel, Mayurkumar 2017-04-10 11:37 ` Patel, Mayurkumar 2017-04-10 13:07 ` Sinan Kaya 2017-04-10 13:07 ` Sinan Kaya 2017-04-10 13:07 ` Sinan Kaya 2017-04-10 13:11 ` Patel, Mayurkumar 2017-04-10 13:11 ` Patel, Mayurkumar 2017-04-10 13:11 ` Patel, Mayurkumar 2017-04-11 21:19 ` Bjorn Helgaas 2017-04-11 21:19 ` Bjorn Helgaas 2017-04-11 21:19 ` Bjorn Helgaas 2017-04-11 21:27 ` Sinan Kaya 2017-04-11 21:27 ` Sinan Kaya 2017-04-11 22:41 ` Bjorn Helgaas 2017-04-11 22:41 ` Bjorn Helgaas 2017-04-11 22:41 ` Bjorn Helgaas
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