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Message-ID: <20230908-dstate_change-v6-3-b414a6edd765@quicinc.com>
Date:   Fri, 8 Sep 2023 12:23:37 +0530
From:   Krishna chaitanya chundru <quic_krichai@...cinc.com>
To:     Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof WilczyƄski <kw@...ux.com>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jonathan Corbet <corbet@....net>, Rob Herring <robh@...nel.org>
CC:     <linux-pci@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <mhi@...ts.linux.dev>,
        Krishna chaitanya chundru <quic_krichai@...cinc.com>
Subject: [PATCH v6 3/4] PCI: qcom-ep: Print D-state name to distinguish
 D3hot/D3cold

Now that the state event is stored as pci_power_t, use the PCI helper
pci_power_name() to print the state event.

Signed-off-by: Krishna chaitanya chundru <quic_krichai@...cinc.com>
---
 drivers/pci/controller/dwc/pcie-qcom-ep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
index 402ace57309d..2337602ebc7f 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -656,7 +656,6 @@ static irqreturn_t qcom_pcie_ep_global_irq_thread(int irq, void *data)
 	} else if (FIELD_GET(PARF_INT_ALL_DSTATE_CHANGE, status)) {
 		dstate = dw_pcie_readl_dbi(pci, DBI_CON_STATUS) &
 					   DBI_CON_STATUS_POWER_STATE_MASK;
-		dev_dbg(dev, "Received D%d state event\n", dstate);
 		state = dstate;
 		if (dstate == PCI_D3hot) {
 			val = readl_relaxed(pcie_ep->parf + PARF_PM_CTRL);
@@ -666,6 +665,7 @@ static irqreturn_t qcom_pcie_ep_global_irq_thread(int irq, void *data)
 			if (gpiod_get_value(pcie_ep->reset))
 				state = PCI_D3cold;
 		}
+		dev_dbg(dev, "Received %s event\n", pci_power_name(state));
 		pci_epc_dstate_notify(pci->ep.epc, state);
 	} else if (FIELD_GET(PARF_INT_ALL_LINK_UP, status)) {
 		dev_dbg(dev, "Received Linkup event. Enumeration complete!\n");

-- 
2.42.0

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