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Diffstat (limited to 'arch/powerpc/platforms/pseries/msi.c')
-rw-r--r--arch/powerpc/platforms/pseries/msi.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 423ee1d5bd9440..6dfb55b52d363d 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -26,6 +26,7 @@ static int query_token, change_token;
#define RTAS_CHANGE_MSI_FN 3
#define RTAS_CHANGE_MSIX_FN 4
#define RTAS_CHANGE_32MSI_FN 5
+#define RTAS_CHANGE_32MSIX_FN 6
/* RTAS Helpers */
@@ -41,7 +42,7 @@ static int rtas_change_msi(struct pci_dn *pdn, u32 func, u32 num_irqs)
seq_num = 1;
do {
if (func == RTAS_CHANGE_MSI_FN || func == RTAS_CHANGE_MSIX_FN ||
- func == RTAS_CHANGE_32MSI_FN)
+ func == RTAS_CHANGE_32MSI_FN || func == RTAS_CHANGE_32MSIX_FN)
rc = rtas_call(change_token, 6, 4, rtas_ret, addr,
BUID_HI(buid), BUID_LO(buid),
func, num_irqs, seq_num);
@@ -406,8 +407,12 @@ again:
if (use_32bit_msi_hack && rc > 0)
rtas_hack_32bit_msi_gen2(pdev);
- } else
- rc = rtas_change_msi(pdn, RTAS_CHANGE_MSIX_FN, nvec);
+ } else {
+ if (pdev->no_64bit_msi)
+ rc = rtas_change_msi(pdn, RTAS_CHANGE_32MSIX_FN, nvec);
+ else
+ rc = rtas_change_msi(pdn, RTAS_CHANGE_MSIX_FN, nvec);
+ }
if (rc != nvec) {
if (nvec != nvec_in) {