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Recent pci_assign_irq() changes uncovered a problem with missing freeing of PCI BARs on PCI IDE host initialization failure: ide0: disabled, no IRQ ide0: failed to initialize IDE interface ide0: disabling port cmd64x 0000:00:02.0: IDE controller (0x1095:0x0646 rev 0x07) CMD64x_IDE 0000:00:02.0: BAR 0: can't reserve [io 0x8050-0x8057] cmd64x 0000:00:02.0: can't reserve resources CMD64x_IDE: probe of 0000:00:02.0 failed with error -16 Fix the problem by adding missing freeing of PCI BARs to ide_setup_pci_controller() and ide_pci_init_two(). Fixes:30fdfb929e("PCI: Add a call to pci_assign_irq() in pci_device_probe()") Fixes:0e4c2eeb75("alpha/PCI: Replace pci_fixup_irqs() call with host bridge IRQ mapping hooks") Link: http://lkml.kernel.org/r/32ec730f-c1b0-5584-cd35-f8a809122b96@roeck-us.net Reported-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> [bhelgaas: add Fixes:] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.