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authorLinus Torvalds <torvalds@linux-foundation.org>2025-01-29 10:55:04 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2025-01-29 10:55:04 -0800
commitaa5216a2b06594c558942d491cf71af76d34521e (patch)
treea6c424e10f0eb47c83a8823692a46da3c294ec37
parentfed3819bac88835b54c68a15ba41d95151ebaf12 (diff)
parent17391cb2613b82f8c405570fea605af3255ff8d2 (diff)
Merge tag 'powerpc-6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Madhavan Srinivasan: - Fix to handle PE state in pseries_eeh_get_state() - Handle unset of tce window if it was never set Thanks to Narayana Murty N, Ritesh Harjani (IBM), Shivaprasad G Bhat, and Vaishnavi Bhat. * tag 'powerpc-6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/pseries/iommu: Don't unset window if it was never set powerpc/pseries/eeh: Fix get PE state translation
-rw-r--r--arch/powerpc/platforms/pseries/eeh_pseries.c6
-rw-r--r--arch/powerpc/platforms/pseries/iommu.c3
2 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index 1893f66371fa..b12ef382fec7 100644
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -580,8 +580,10 @@ static int pseries_eeh_get_state(struct eeh_pe *pe, int *delay)
switch(rets[0]) {
case 0:
- result = EEH_STATE_MMIO_ACTIVE |
- EEH_STATE_DMA_ACTIVE;
+ result = EEH_STATE_MMIO_ACTIVE |
+ EEH_STATE_DMA_ACTIVE |
+ EEH_STATE_MMIO_ENABLED |
+ EEH_STATE_DMA_ENABLED;
break;
case 1:
result = EEH_STATE_RESET_ACTIVE |
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 29f1a0cc59cd..ae6f7a235d8b 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -2208,6 +2208,9 @@ static long spapr_tce_unset_window(struct iommu_table_group *table_group, int nu
const char *win_name;
int ret = -ENODEV;
+ if (!tbl) /* The table was never created OR window was never opened */
+ return 0;
+
mutex_lock(&dma_win_init_mutex);
if ((num == 0) && is_default_window_table(table_group, tbl))