linux-arm-msm.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
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: [PATCH v5 8/9] PCI: qcom-ep: Add support for BME notification
Date: Thu,  1 Jun 2023 20:27:17 +0530	[thread overview]
Message-ID: <20230601145718.12204-9-manivannan.sadhasivam@linaro.org> (raw)
In-Reply-To: <20230601145718.12204-1-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 14:58 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-01 14:57 [PATCH v5 0/9] Add support for MHI Endpoint function driver Manivannan Sadhasivam
2023-06-01 14:57 ` [PATCH v5 1/9] MAINTAINERS: Add entry for MHI networking drivers under MHI bus Manivannan Sadhasivam
2023-06-01 14:57 ` [PATCH v5 2/9] PCI: endpoint: Add missing documentation about the MSI/MSI-X range Manivannan Sadhasivam
2023-06-01 23:12   ` Damien Le Moal
2023-06-01 14:57 ` [PATCH v5 3/9] PCI: endpoint: Pass EPF device ID to the probe function Manivannan Sadhasivam
2023-06-01 23:16   ` Damien Le Moal
2023-06-02  3:19     ` Manivannan Sadhasivam
2023-06-01 14:57 ` [PATCH v5 4/9] PCI: endpoint: Warn and return if EPC is started/stopped multiple times Manivannan Sadhasivam
2023-06-01 23:18   ` Damien Le Moal
2023-06-02  3:27     ` Manivannan Sadhasivam
2023-06-01 14:57 ` [PATCH v5 5/9] PCI: endpoint: Add linkdown notifier support Manivannan Sadhasivam
2023-06-01 23:20   ` Damien Le Moal
2023-06-01 14:57 ` [PATCH v5 6/9] PCI: endpoint: Add BME " Manivannan Sadhasivam
2023-06-01 23:21   ` Damien Le Moal
2023-06-01 14:57 ` [PATCH v5 7/9] PCI: qcom-ep: Add support for Link down notification Manivannan Sadhasivam
2023-06-01 23:22   ` Damien Le Moal
2023-06-01 14:57 ` Manivannan Sadhasivam [this message]
2023-06-01 23:22   ` [PATCH v5 8/9] PCI: qcom-ep: Add support for BME notification Damien Le Moal
2023-06-01 14:57 ` [PATCH v5 9/9] PCI: endpoint: Add PCI Endpoint function driver for MHI bus Manivannan Sadhasivam
2023-06-01 23:31   ` Damien Le Moal
2023-06-02 11:38     ` Manivannan Sadhasivam
2023-06-02  5:17   ` kernel test robot

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230601145718.12204-9-manivannan.sadhasivam@linaro.org \
    --to=manivannan.sadhasivam@linaro.org \
    --cc=bhelgaas@google.com \
    --cc=kishon@kernel.org \
    --cc=kw@linux.com \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=lpieralisi@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).