diff options
author | Alex Shi <alex.shi@linaro.org> | 2018-01-18 15:26:28 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2018-01-18 15:26:28 +0800 |
commit | 2ba51c6d36ee1b43c1f898c6c48ddf3d33e9ab30 (patch) | |
tree | ff3302dc45a91d7bfcaabd37bfa8fa391a954180 /drivers/misc/cxl/pci.c | |
parent | 28610abf4a574c33ca70e3d7b0e523fdede488d1 (diff) | |
parent | 90816cc1d4a1d23efe37b74866c6174dd5eab6b5 (diff) |
Merge remote-tracking branch 'rt-stable/v4.9-rt' into linux-linaro-lsk-v4.9-rtlsk-v4.9-18.02-rt
Conflicts:
arch/arm64/mm/init.c
Diffstat (limited to 'drivers/misc/cxl/pci.c')
-rw-r--r-- | drivers/misc/cxl/pci.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index eef202d4399b..a5422f483ad5 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -1758,6 +1758,9 @@ static pci_ers_result_t cxl_vphb_error_detected(struct cxl_afu *afu, /* There should only be one entry, but go through the list * anyway */ + if (afu->phb == NULL) + return result; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (!afu_dev->driver) continue; @@ -1801,6 +1804,11 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev, /* Only participate in EEH if we are on a virtual PHB */ if (afu->phb == NULL) return PCI_ERS_RESULT_NONE; + + /* + * Tell the AFU drivers; but we don't care what they + * say, we're going away. + */ cxl_vphb_error_detected(afu, state); } return PCI_ERS_RESULT_DISCONNECT; @@ -1941,6 +1949,9 @@ static pci_ers_result_t cxl_pci_slot_reset(struct pci_dev *pdev) if (cxl_afu_select_best_mode(afu)) goto err; + if (afu->phb == NULL) + continue; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { /* Reset the device context. * TODO: make this less disruptive @@ -2003,6 +2014,9 @@ static void cxl_pci_resume(struct pci_dev *pdev) for (i = 0; i < adapter->slices; i++) { afu = adapter->afu[i]; + if (afu->phb == NULL) + continue; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (afu_dev->driver && afu_dev->driver->err_handler && afu_dev->driver->err_handler->resume) |