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ACPI: fix Medion _PRT quirk (use "ISA_", not "ISA")

This fixes the builtin RTL8139 NIC on the Medion MD9580-F laptop. The
BIOS reports the interrupt routing incorrectly. I recently added a
quirk to work around this, and this patch fixes a typo in the quirk.

We pad every ACPI pathname component to four characters, so ".ISA." will
never match anything. We need ".ISA_." instead.

Thank you Johann-Nikolaus Andreae <johann-nikolaus.andreae@nacs.de>
for patiently testing this patch.

See http://bugzilla.kernel.org/show_bug.cgi?id=4773

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

authored by

Bjorn Helgaas and committed by
Linus Torvalds b97d4803 5004de18

+2 -2
+2 -2
drivers/acpi/pci_irq.c
··· 131 131 */ 132 132 static struct prt_quirk prt_quirks[] = { 133 133 { medion_md9580, 0, 0, 9, 'A', 134 - "\\_SB_.PCI0.ISA.LNKA", 135 - "\\_SB_.PCI0.ISA.LNKB"}, 134 + "\\_SB_.PCI0.ISA_.LNKA", 135 + "\\_SB_.PCI0.ISA_.LNKB"}, 136 136 { dell_optiplex, 0, 0, 0xd, 'A', 137 137 "\\_SB_.LNKB", 138 138 "\\_SB_.LNKA"},