The Windows driver .inf disables ASPM on all cciss devices. Do the same.
Signed-off-by: Matthew Garrett<mjg@xxxxxxxxxx>
Cc: mike.miller@xxxxxx
Cc: iss_storagedev@xxxxxx
Cc: axboe@xxxxxxxxx
---
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");