diff options
| author | Tony Truong <truong@codeaurora.org> | 2016-01-15 14:13:24 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 21:18:14 -0700 |
| commit | 7daad880e22fdd82d49c0ba8dae3c7df03e66595 (patch) | |
| tree | 432c28582dc2cf28eac1c51ae1d5374fc907fa66 /drivers | |
| parent | 99e08a1be6acac69c919eafa34d393874f62ffde (diff) | |
msm: pcie: mask the aggregated interrupt status register
Aggregated interrupts that are configured to be masked should
not be reported in the interrupt handler. Thus, mask the status
value being read in the interrupt handler to filter them out.
Change-Id: I6b563955309795ac2b68c2527cbd763f9300a029
Signed-off-by: Tony Truong <truong@codeaurora.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/host/pci-msm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/host/pci-msm.c b/drivers/pci/host/pci-msm.c index a54f6c6bfb77..ebdcce77f895 100644 --- a/drivers/pci/host/pci-msm.c +++ b/drivers/pci/host/pci-msm.c @@ -4963,7 +4963,9 @@ static irqreturn_t handle_global_irq(int irq, void *data) spin_lock_irqsave(&dev->global_irq_lock, irqsave_flags); - status = readl_relaxed(dev->parf + PCIE20_PARF_INT_ALL_STATUS); + status = readl_relaxed(dev->parf + PCIE20_PARF_INT_ALL_STATUS) & + readl_relaxed(dev->parf + PCIE20_PARF_INT_ALL_MASK); + msm_pcie_write_mask(dev->parf + PCIE20_PARF_INT_ALL_CLEAR, 0, status); for (i = 0; i <= MSM_PCIE_INT_EVT_MAX; i++) { |