On Wed, Mar 14, 2018 at 01:34:54PM -0300, Desnes A. Nunes do Rosario wrote: > Add PCI_DEV_FLAGS_QUIET_PCI_REALIGN to pci_dev_flags and use it to > silent PCI realignment messages if the flag is turned on by a driver. > > Signed-off-by: Desnes A. Nunes do Rosario <desnesn@xxxxxxxxxxxxxxxxxx> > --- > drivers/pci/pci.c | 3 ++- > drivers/pci/setup-res.c | 3 ++- > include/linux/pci.h | 2 ++ > 3 files changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c > index 8c71d1a66cdd..be197c944e5f 100644 > --- a/drivers/pci/pci.c > +++ b/drivers/pci/pci.c > @@ -5505,7 +5505,8 @@ void pci_reassigndev_resource_alignment(struct pci_dev *dev) > return; > } > > - pci_info(dev, "Disabling memory decoding and releasing memory resources\n"); > + if (!(dev->dev_flags & PCI_DEV_FLAGS_QUIET_PCI_REALIGN)) > + pci_info(dev, "Disabling memory decoding and releasing memory resources\n"); > pci_read_config_word(dev, PCI_COMMAND, &command); > command &= ~PCI_COMMAND_MEMORY; > pci_write_config_word(dev, PCI_COMMAND, command); > diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c > index 369d48d6c6f1..00a538def763 100644 > --- a/drivers/pci/setup-res.c > +++ b/drivers/pci/setup-res.c > @@ -172,7 +172,8 @@ EXPORT_SYMBOL(pci_claim_resource); > > void pci_disable_bridge_window(struct pci_dev *dev) > { > - pci_info(dev, "disabling bridge mem windows\n"); > + if (!(dev->dev_flags & PCI_DEV_FLAGS_QUIET_PCI_REALIGN)) > + pci_info(dev, "disabling bridge mem windows\n"); As far as I'm concerned, we can just remove these messages completely. I don't think there's any real value there. > /* MMIO Base/Limit */ > pci_write_config_dword(dev, PCI_MEMORY_BASE, 0x0000fff0); > diff --git a/include/linux/pci.h b/include/linux/pci.h > index e057e8cc63e7..993f9c7dcc00 100644 > --- a/include/linux/pci.h > +++ b/include/linux/pci.h > @@ -205,6 +205,8 @@ enum pci_dev_flags { > PCI_DEV_FLAGS_NO_FLR_RESET = (__force pci_dev_flags_t) (1 << 10), > /* Don't use Relaxed Ordering for TLPs directed at this device */ > PCI_DEV_FLAGS_NO_RELAXED_ORDERING = (__force pci_dev_flags_t) (1 << 11), > + /* Silent PCI resource realignment messages */ > + PCI_DEV_FLAGS_QUIET_PCI_REALIGN = (__force pci_dev_flags_t) (1 << 12), > }; > > enum pci_irq_reroute_variant { > -- > 2.14.3 >