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PCI: xilinx-nwl: Rate-limit misc interrupt messages

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The conditions logged by the misc interrupt can occur repeatedly and
continuously. Avoid rendering the console unusable by rate-limiting
these messages.

Link: https://lore.kernel.org/r/20240531161337.864994-5-sean.anderson@linux.dev
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Sean Anderson 2024-05-31 12:13:34 -04:00 committed by Bjorn Helgaas
parent a437027ae1
commit 78457cae24
1 changed files with 11 additions and 11 deletions
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22
drivers/pci/controller/pcie-xilinx-nwl.c
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@ -267,37 +267,37 @@ static irqreturn_t nwl_pcie_misc_handler(int irq, void *data)
return IRQ_NONE;
if (misc_stat & MSGF_MISC_SR_RXMSG_OVER)
dev_err(dev, "Received Message FIFO Overflow\n");
dev_err_ratelimited(dev, "Received Message FIFO Overflow\n");
if (misc_stat & MSGF_MISC_SR_SLAVE_ERR)
dev_err(dev, "Slave error\n");
dev_err_ratelimited(dev, "Slave error\n");
if (misc_stat & MSGF_MISC_SR_MASTER_ERR)
dev_err(dev, "Master error\n");
dev_err_ratelimited(dev, "Master error\n");
if (misc_stat & MSGF_MISC_SR_I_ADDR_ERR)
dev_err(dev, "In Misc Ingress address translation error\n");
dev_err_ratelimited(dev, "In Misc Ingress address translation error\n");
if (misc_stat & MSGF_MISC_SR_E_ADDR_ERR)
dev_err(dev, "In Misc Egress address translation error\n");
dev_err_ratelimited(dev, "In Misc Egress address translation error\n");
if (misc_stat & MSGF_MISC_SR_FATAL_AER)
dev_err(dev, "Fatal Error in AER Capability\n");
dev_err_ratelimited(dev, "Fatal Error in AER Capability\n");
if (misc_stat & MSGF_MISC_SR_NON_FATAL_AER)
dev_err(dev, "Non-Fatal Error in AER Capability\n");
dev_err_ratelimited(dev, "Non-Fatal Error in AER Capability\n");
if (misc_stat & MSGF_MISC_SR_CORR_AER)
dev_err(dev, "Correctable Error in AER Capability\n");
dev_err_ratelimited(dev, "Correctable Error in AER Capability\n");
if (misc_stat & MSGF_MISC_SR_UR_DETECT)
dev_err(dev, "Unsupported request Detected\n");
dev_err_ratelimited(dev, "Unsupported request Detected\n");
if (misc_stat & MSGF_MISC_SR_NON_FATAL_DEV)
dev_err(dev, "Non-Fatal Error Detected\n");
dev_err_ratelimited(dev, "Non-Fatal Error Detected\n");
if (misc_stat & MSGF_MISC_SR_FATAL_DEV)
dev_err(dev, "Fatal Error Detected\n");
dev_err_ratelimited(dev, "Fatal Error Detected\n");
if (misc_stat & MSGF_MISC_SR_LINK_AUTO_BWIDTH)
dev_info(dev, "Link Autonomous Bandwidth Management Status bit set\n");