Messages in this thread | | | Date | Fri, 11 Nov 2011 10:15:45 -0600 | From | Mike Miller <> | Subject | Re: [PATCH V2 4/6] block/cciss: Disable ASPM |
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On 11/11/2011 10:14 AM, Matthew Garrett wrote: > The Windows driver .inf disables ASPM on all cciss devices. Do the same. > > Signed-off-by: Matthew Garrett<mjg@redhat.com> > Cc: mike.miller@hp.com > Cc: iss_storagedev@hp.com > Cc: axboe@kernel.dk > --- > drivers/block/cciss.c | 5 +++++ > 1 files changed, 5 insertions(+), 0 deletions(-) > > diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c > index 486f94e..92d8a2f 100644 > --- a/drivers/block/cciss.c > +++ b/drivers/block/cciss.c > @@ -24,6 +24,7 @@ > #include<linux/interrupt.h> > #include<linux/types.h> > #include<linux/pci.h> > +#include<linux/pci-aspm.h> > #include<linux/kernel.h> > #include<linux/slab.h> > #include<linux/delay.h> > @@ -4319,6 +4320,10 @@ static int __devinit cciss_pci_init(ctlr_info_t *h) > dev_warn(&h->pdev->dev, "controller appears to be disabled\n"); > return -ENODEV; > } > + > + pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S | > + PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); > + > err = pci_enable_device(h->pdev); > if (err) { > dev_warn(&h->pdev->dev, "Unable to Enable PCI device\n");
Acked-by: Mike Miller <mike.miller@hp.com>
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