From: Ricardo Ribalda Delgado Date: Wed, 27 Aug 2014 12:57:57 +0000 (+0200) Subject: PCI: Generate uppercase hex for modalias interface class X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=89ec3dcf17fd;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git PCI: Generate uppercase hex for modalias interface class Some implementations of modprobe fail to load the driver for a PCI device automatically because the "interface" part of the modalias from the kernel is lowercase, and the modalias from file2alias is uppercase. The "interface" is the low-order byte of the Class Code, defined in PCI r3.0, Appendix D. Most interface types defined in the spec do not use alpha characters, so they won't be affected. For example, 00h, 01h, 10h, 20h, etc. are unaffected. Print the "interface" byte of the Class Code in uppercase hex, as we already do for the Vendor ID, Device ID, Class, etc. [bhelgaas: changelog] Signed-off-by: Ricardo Ribalda Delgado Signed-off-by: Bjorn Helgaas Acked-by: Greg Kroah-Hartman CC: stable@vger.kernel.org --- diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 9ff0a901ecf7..76ef7914c9aa 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -177,7 +177,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, { struct pci_dev *pci_dev = to_pci_dev(dev); - return sprintf(buf, "pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x\n", + return sprintf(buf, "pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02X\n", pci_dev->vendor, pci_dev->device, pci_dev->subsystem_vendor, pci_dev->subsystem_device, (u8)(pci_dev->class >> 16), (u8)(pci_dev->class >> 8),