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path: root/drivers/net/ipa/gsi.c
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Diffstat (limited to 'drivers/net/ipa/gsi.c')
-rw-r--r--drivers/net/ipa/gsi.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c
index 5e10e5c1713b..aa3983649bc3 100644
--- a/drivers/net/ipa/gsi.c
+++ b/drivers/net/ipa/gsi.c
@@ -261,6 +261,7 @@ static void gsi_irq_setup(struct gsi *gsi)
iowrite32(0, gsi->virt + GSI_CNTXT_SRC_IEOB_IRQ_MSK_OFFSET);
iowrite32(0, gsi->virt + GSI_INTER_EE_SRC_CH_IRQ_OFFSET);
iowrite32(0, gsi->virt + GSI_INTER_EE_SRC_EV_CH_IRQ_OFFSET);
+ iowrite32(0, gsi->virt + GSI_CNTXT_GSI_IRQ_EN_OFFSET);
}
/* Turn off all GSI interrupts when we're all done */
@@ -309,8 +310,14 @@ static void gsi_irq_enable(struct gsi *gsi)
iowrite32(ERROR_INT_FMASK, gsi->virt + GSI_CNTXT_GLOB_IRQ_EN_OFFSET);
gsi->type_enabled_bitmap |= BIT(GSI_GLOB_EE);
- /* Never enable GSI_BREAK_POINT */
- val = GSI_CNTXT_GSI_IRQ_ALL & ~BREAK_POINT_FMASK;
+ /* General GSI interrupts are reported to all EEs; if they occur
+ * they are unrecoverable (without reset). A breakpoint interrupt
+ * also exists, but we don't support that. We want to be notified
+ * of errors so we can report them, even if they can't be handled.
+ */
+ val = BUS_ERROR_FMASK;
+ val |= CMD_FIFO_OVRFLOW_FMASK;
+ val |= MCS_STACK_OVRFLOW_FMASK;
iowrite32(val, gsi->virt + GSI_CNTXT_GSI_IRQ_EN_OFFSET);
gsi->type_enabled_bitmap |= BIT(GSI_GENERAL);
@@ -1186,8 +1193,7 @@ static void gsi_isr_general(struct gsi *gsi)
val = ioread32(gsi->virt + GSI_CNTXT_GSI_IRQ_STTS_OFFSET);
iowrite32(val, gsi->virt + GSI_CNTXT_GSI_IRQ_CLR_OFFSET);
- if (val)
- dev_err(dev, "unexpected general interrupt 0x%08x\n", val);
+ dev_err(dev, "unexpected general interrupt 0x%08x\n", val);
}
/**