Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Matthew Garrett <> | Subject | [PATCH V2 4/6] block/cciss: Disable ASPM | Date | Fri, 11 Nov 2011 11:14:22 -0500 |
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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"); -- 1.7.7.1
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