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From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: lpieralisi@kernel.org, kw@linux.com
Cc: kishon@kernel.org, bhelgaas@google.com,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Subject: [RESEND PATCH v5 7/9] PCI: qcom-ep: Add support for BME notification
Date: Thu,  1 Jun 2023 20:31:01 +0530	[thread overview]
Message-ID: <20230601150103.12755-8-manivannan.sadhasivam@linaro.org> (raw)
In-Reply-To: <20230601150103.12755-1-manivannan.sadhasivam@linaro.org>

Add support to pass BME (Bus Master Enable) notification to Endpoint
function driver so that the BME event can be processed by the function.

Reviewed-by: Kishon Vijay Abraham I <kishon@kernel.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 drivers/pci/controller/dwc/pcie-qcom-ep.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
index 4ce01ff7527c..1435f516d3f7 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -573,6 +573,7 @@ static irqreturn_t qcom_pcie_ep_global_irq_thread(int irq, void *data)
 	} else if (FIELD_GET(PARF_INT_ALL_BME, status)) {
 		dev_dbg(dev, "Received BME event. Link is enabled!\n");
 		pcie_ep->link_status = QCOM_PCIE_EP_LINK_ENABLED;
+		pci_epc_bme_notify(pci->ep.epc);
 	} else if (FIELD_GET(PARF_INT_ALL_PM_TURNOFF, status)) {
 		dev_dbg(dev, "Received PM Turn-off event! Entering L23\n");
 		val = readl_relaxed(pcie_ep->parf + PARF_PM_CTRL);
-- 
2.25.1


  parent reply	other threads:[~2023-06-01 15:04 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-01 15:00 [RESEND PATCH v5 0/9] Add support for MHI Endpoint function driver Manivannan Sadhasivam
2023-06-01 15:00 ` [RESEND PATCH v5 1/9] PCI: endpoint: Add missing documentation about the MSI/MSI-X range Manivannan Sadhasivam
2023-06-01 15:00 ` [RESEND PATCH v5 2/9] PCI: endpoint: Pass EPF device ID to the probe function Manivannan Sadhasivam
2023-06-01 15:00 ` [RESEND PATCH v5 3/9] PCI: endpoint: Warn and return if EPC is started/stopped multiple times Manivannan Sadhasivam
2023-06-01 15:00 ` [RESEND PATCH v5 4/9] PCI: endpoint: Add linkdown notifier support Manivannan Sadhasivam
2023-06-01 15:00 ` [RESEND PATCH v5 5/9] PCI: endpoint: Add BME " Manivannan Sadhasivam
2023-06-01 15:01 ` [RESEND PATCH v5 6/9] PCI: qcom-ep: Add support for Link down notification Manivannan Sadhasivam
2023-06-01 15:01 ` Manivannan Sadhasivam [this message]
2023-06-01 15:01 ` [RESEND PATCH v5 8/9] PCI: endpoint: Add PCI Endpoint function driver for MHI bus Manivannan Sadhasivam
2023-06-01 15:01 ` [RESEND PATCH v5 9/9] MAINTAINERS: Add PCI MHI endpoint function driver under " Manivannan Sadhasivam

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