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Diffstat (limited to 'arch/s390/pci/pci.c')
-rw-r--r--arch/s390/pci/pci.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 8fcb7ecb7225..34839bad33e4 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -661,9 +661,10 @@ int zpci_enable_device(struct zpci_dev *zdev)
{
int rc;
- rc = clp_enable_fh(zdev, ZPCI_NR_DMA_SPACES);
- if (rc)
+ if (clp_enable_fh(zdev, ZPCI_NR_DMA_SPACES)) {
+ rc = -EIO;
goto out;
+ }
rc = zpci_dma_init_device(zdev);
if (rc)
@@ -684,7 +685,7 @@ int zpci_disable_device(struct zpci_dev *zdev)
* The zPCI function may already be disabled by the platform, this is
* detected in clp_disable_fh() which becomes a no-op.
*/
- return clp_disable_fh(zdev);
+ return clp_disable_fh(zdev) ? -EIO : 0;
}
/**
@@ -892,7 +893,6 @@ static void zpci_mem_exit(void)
}
static unsigned int s390_pci_probe __initdata = 1;
-static unsigned int s390_pci_no_mio __initdata;
unsigned int s390_pci_force_floating __initdata;
static unsigned int s390_pci_initialized;
@@ -903,7 +903,7 @@ char * __init pcibios_setup(char *str)
return NULL;
}
if (!strcmp(str, "nomio")) {
- s390_pci_no_mio = 1;
+ S390_lowcore.machine_flags &= ~MACHINE_FLAG_PCI_MIO;
return NULL;
}
if (!strcmp(str, "force_floating")) {
@@ -934,7 +934,7 @@ static int __init pci_base_init(void)
return 0;
}
- if (test_facility(153) && !s390_pci_no_mio) {
+ if (MACHINE_HAS_PCI_MIO) {
static_branch_enable(&have_mio);
ctl_set_bit(2, 5);
}