IRQ and resource[] may not have correct values until after PCI hotplug setup occurs at pci_enable_device() time.
The semantic match that finds this problem is as follows: // <smpl> @@ identifier x; identifier request ~= "pci_request.*|pci_resource.*"; @@ ( * x->irq | * x->resource | * request(x, ...) ) ... *pci_enable_device(x) // </smpl> Signed-off-by: Kulikov Vasiliy <[email protected]> --- drivers/platform/x86/intel_ips.c | 11 ++++++----- 1 files changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c index 0344822..90c9549 100644 --- a/drivers/platform/x86/intel_ips.c +++ b/drivers/platform/x86/intel_ips.c @@ -1432,6 +1432,12 @@ static int ips_probe(struct pci_dev *dev, const struct pci_device_id *id) spin_lock_init(&ips->turbo_status_lock); + ret = pci_enable_device(dev); + if (ret) { + dev_err(&dev->dev, "can't enable PCI device, aborting\n"); + goto error_free; + } + if (!pci_resource_start(dev, 0)) { dev_err(&dev->dev, "TBAR not assigned, aborting\n"); ret = -ENXIO; @@ -1444,11 +1450,6 @@ static int ips_probe(struct pci_dev *dev, const struct pci_device_id *id) goto error_free; } - ret = pci_enable_device(dev); - if (ret) { - dev_err(&dev->dev, "can't enable PCI device, aborting\n"); - goto error_free; - } ips->regmap = ioremap(pci_resource_start(dev, 0), pci_resource_len(dev, 0)); -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
