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Commit dcd33b23 authored by Sebastian Ott's avatar Sebastian Ott Committed by Heiko Carstens
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s390/pci: fix assignment of bus resources 



Adjust bus resources depending on the usage of MIO instructions.

Fixes: 71ba41c9 ("s390/pci: provide support for MIO instructions")
Signed-off-by: default avatarSebastian Ott <sebott@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
parent 1354b38b

arch/s390/pci/pci.c

+4 −1
Original line number Diff line number Diff line
@@ -528,6 +528,9 @@ static int zpci_setup_bus_resources(struct zpci_dev *zdev, 
		if (zdev->bars[i].val & 4)

			flags |= IORESOURCE_MEM_64;



		if (static_branch_likely(&have_mio))

			addr = (unsigned long) zdev->bars[i].mio_wb;

		else

			addr = ZPCI_ADDR(entry);

		size = 1UL << zdev->bars[i].size;