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-rw-r--r--drivers/pci/controller/dwc/pci-keystone.c32
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index c0bba7b604fa..e9e646acc2d5 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -79,7 +79,6 @@
#define ERR_SYS BIT(0) /* System (fatal, non-fatal, or correctable) */
#define ERR_IRQ_ALL (ERR_AER | ERR_AXI | ERR_CORR | \
ERR_NONFATAL | ERR_FATAL | ERR_SYS)
-#define ERR_FATAL_IRQ (ERR_FATAL | ERR_AXI)
#define ERR_IRQ_STATUS 0x1c4
#define ERR_IRQ_ENABLE_SET 0x1c8
#define ERR_IRQ_ENABLE_CLR 0x1cc
@@ -246,18 +245,33 @@ static void ks_pcie_enable_error_irq(struct keystone_pcie *ks_pcie)
static irqreturn_t ks_pcie_handle_error_irq(struct keystone_pcie *ks_pcie)
{
- u32 status;
+ u32 reg;
+ struct device *dev = ks_pcie->pci->dev;
- status = ks_pcie_app_readl(ks_pcie, ERR_IRQ_STATUS);
- if (!status)
+ reg = ks_pcie_app_readl(ks_pcie, ERR_IRQ_STATUS);
+ if (!reg)
return IRQ_NONE;
- if (status & ERR_FATAL_IRQ)
- dev_err(ks_pcie->pci->dev, "fatal error (status %#010x)\n",
- status);
+ if (reg & ERR_SYS)
+ dev_err(dev, "System Error\n");
+
+ if (reg & ERR_FATAL)
+ dev_err(dev, "Fatal Error\n");
+
+ if (reg & ERR_NONFATAL)
+ dev_dbg(dev, "Non Fatal Error\n");
+
+ if (reg & ERR_CORR)
+ dev_dbg(dev, "Correctable Error\n");
+
+ if (reg & ERR_AXI)
+ dev_err(dev, "AXI tag lookup fatal Error\n");
+
+ if (reg & ERR_AER)
+ dev_err(dev, "ECRC Error\n");
+
+ ks_pcie_app_writel(ks_pcie, ERR_IRQ_STATUS, reg);
- /* Ack the IRQ; status bits are RW1C */
- ks_pcie_app_writel(ks_pcie, ERR_IRQ_STATUS, status);
return IRQ_HANDLED;
}