From: Konrad Rzeszutek Wilk Date: Thu, 11 Feb 2016 21:10:25 +0000 (-0500) Subject: xen/pcifront: Report the errors better. X-Git-Tag: v4.14-rc1~3786^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2cfec6a2f989d5c921ba11a329ff8ea986702b9b;p=platform%2Fkernel%2Flinux-rpi.git xen/pcifront: Report the errors better. The messages should be different depending on the type of error. Signed-off-by: Konrad Rzeszutek Wilk Signed-off-by: David Vrabel --- diff --git a/arch/x86/include/asm/xen/pci.h b/arch/x86/include/asm/xen/pci.h index 968d57d..f320ee3 100644 --- a/arch/x86/include/asm/xen/pci.h +++ b/arch/x86/include/asm/xen/pci.h @@ -57,7 +57,7 @@ static inline int xen_pci_frontend_enable_msi(struct pci_dev *dev, { if (xen_pci_frontend && xen_pci_frontend->enable_msi) return xen_pci_frontend->enable_msi(dev, vectors); - return -ENODEV; + return -ENOSYS; } static inline void xen_pci_frontend_disable_msi(struct pci_dev *dev) { @@ -69,7 +69,7 @@ static inline int xen_pci_frontend_enable_msix(struct pci_dev *dev, { if (xen_pci_frontend && xen_pci_frontend->enable_msix) return xen_pci_frontend->enable_msix(dev, vectors, nvec); - return -ENODEV; + return -ENOSYS; } static inline void xen_pci_frontend_disable_msix(struct pci_dev *dev) { diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index ff31ab4..beac4df 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -196,7 +196,10 @@ static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) return 0; error: - dev_err(&dev->dev, "Xen PCI frontend has not registered MSI/MSI-X support!\n"); + if (ret == -ENOSYS) + dev_err(&dev->dev, "Xen PCI frontend has not registered MSI/MSI-X support!\n"); + else if (ret) + dev_err(&dev->dev, "Xen PCI frontend error: %d!\n", ret); free: kfree(v); return ret;