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SEC registers are not accessible when the TXE device is in low power state, hence the SEC interrupt cannot be processed if device is not awake. In some rare cases entrance to low power state (aliveness off) and input ready bits can be signaled at the same time, resulting in communication stall as input ready won't be signaled again after waking up. To resolve this IPC_HHIER_SEC bit in HHISR_REG should not be cleaned if the interrupt is not processed. Cc: stable@vger.kernel.org Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| .. | ||
| amthif.c | ||
| bus-fixup.c | ||
| bus.c | ||
| client.c | ||
| client.h | ||
| debugfs.c | ||
| hbm.c | ||
| hbm.h | ||
| hw-me-regs.h | ||
| hw-me.c | ||
| hw-me.h | ||
| hw-txe-regs.h | ||
| hw-txe.c | ||
| hw-txe.h | ||
| hw.h | ||
| init.c | ||
| interrupt.c | ||
| Kconfig | ||
| main.c | ||
| Makefile | ||
| mei_dev.h | ||
| mei-trace.c | ||
| mei-trace.h | ||
| pci-me.c | ||
| pci-txe.c | ||