Commit dcd33b23 authored May 16, 2019 by Sebastian Ott Committed by Heiko Carstens May 28, 2019

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: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Heiko 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;

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