diff options
| author | Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com> | 2016-09-01 15:44:42 +0530 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-09-13 10:38:19 -0500 |
| commit | 3cd049ab9edd48a41955b8d05f0bc57ead918456 (patch) | |
| tree | 8c02857a2f569c5a83e97f5626242b8185d97178 /drivers/pci/host/pcie-xilinx.c | |
| parent | b584fa1fde71aa57fb63d32f66ff6c192ff7f2c5 (diff) | |
PCI: xilinx: Clear interrupt register for invalid interrupt
The interrupt decode register is not being cleared if an invalid interrupt
arises. Clear the decode register in this case.
Signed-off-by: Bharat Kumar Gogada <bharatku@xilinx.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'drivers/pci/host/pcie-xilinx.c')
| -rw-r--r-- | drivers/pci/host/pcie-xilinx.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c index bd646772b001..de1c758d17d7 100644 --- a/drivers/pci/host/pcie-xilinx.c +++ b/drivers/pci/host/pcie-xilinx.c @@ -434,7 +434,7 @@ static irqreturn_t xilinx_pcie_intr_handler(int irq, void *data) /* Check whether interrupt valid */ if (!(val & XILINX_PCIE_RPIFR1_INTR_VALID)) { dev_warn(port->dev, "RP Intr FIFO1 read error\n"); - return IRQ_HANDLED; + goto error; } if (!(val & XILINX_PCIE_RPIFR1_MSI_INTR)) { @@ -456,7 +456,7 @@ static irqreturn_t xilinx_pcie_intr_handler(int irq, void *data) if (!(val & XILINX_PCIE_RPIFR1_INTR_VALID)) { dev_warn(port->dev, "RP Intr FIFO1 read error\n"); - return IRQ_HANDLED; + goto error; } if (val & XILINX_PCIE_RPIFR1_MSI_INTR) { @@ -501,6 +501,7 @@ static irqreturn_t xilinx_pcie_intr_handler(int irq, void *data) if (status & XILINX_PCIE_INTR_MST_ERRP) dev_warn(port->dev, "Master error poison\n"); +error: /* Clear the Interrupt Decode register */ pcie_write(port, status, XILINX_PCIE_REG_IDR); |