From: Sandeep Maheswaram <quic_c_sanm@quicinc.com>
To: Bjorn Andersson <bjorn.andersson@linaro.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Felipe Balbi <balbi@kernel.org>,
Stephen Boyd <swboyd@chromium.org>,
Doug Anderson <dianders@chromium.org>,
"Matthias Kaehlcke" <mka@chromium.org>,
Mathias Nyman <mathias.nyman@intel.com>
Cc: <linux-arm-msm@vger.kernel.org>, <linux-usb@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <quic_pkondeti@quicinc.com>,
<quic_ppratap@quicinc.com>,
Sandeep Maheswaram <quic_c_sanm@quicinc.com>
Subject: [PATCH v11 5/5] usb: dwc3: qcom: Keep power domain on to retain controller status
Date: Tue, 22 Mar 2022 12:37:56 +0530 [thread overview]
Message-ID: <1647932876-23249-6-git-send-email-quic_c_sanm@quicinc.com> (raw)
In-Reply-To: <1647932876-23249-1-git-send-email-quic_c_sanm@quicinc.com>
Keep the power domain on in order to retail controller status and
to support wakeup from devices.
Signed-off-by: Sandeep Maheswaram <quic_c_sanm@quicinc.com>
---
drivers/usb/dwc3/dwc3-qcom.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 9804a19..35087cf 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -17,6 +17,7 @@
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/phy/phy.h>
+#include <linux/pm_domain.h>
#include <linux/usb/of.h>
#include <linux/reset.h>
#include <linux/iopoll.h>
@@ -724,6 +725,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
struct resource *res, *parent_res = NULL;
int ret, i;
bool ignore_pipe_clk;
+ struct generic_pm_domain *genpd;
qcom = devm_kzalloc(&pdev->dev, sizeof(*qcom), GFP_KERNEL);
if (!qcom)
@@ -732,6 +734,8 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, qcom);
qcom->dev = &pdev->dev;
+ genpd = pd_to_genpd(qcom->dev->pm_domain);
+
if (has_acpi_companion(dev)) {
qcom->acpi_pdata = acpi_device_get_match_data(dev);
if (!qcom->acpi_pdata) {
@@ -839,6 +843,8 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
if (ret)
goto interconnect_exit;
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+
device_init_wakeup(&pdev->dev, 1);
qcom->is_suspended = false;
pm_runtime_set_active(dev);
--
2.7.4
next prev parent reply other threads:[~2022-03-22 7:08 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-22 7:07 [PATCH v11 0/5] USB DWC3 host wake up support from system suspend Sandeep Maheswaram
2022-03-22 7:07 ` [PATCH v11 1/5] usb: dwc3: core: Add HS phy mode variable and phy poweroff flag Sandeep Maheswaram
2022-03-22 8:09 ` Pavan Kondeti
2022-03-22 8:42 ` Sandeep Maheswaram (Temp)
2022-03-22 7:07 ` [PATCH v11 2/5] usb: dwc3: core: Host wake up support from system suspend Sandeep Maheswaram
2022-03-22 8:32 ` Pavan Kondeti
2022-03-22 8:40 ` Pavan Kondeti
2022-04-05 9:25 ` Pavan Kondeti
2022-03-23 18:07 ` Matthias Kaehlcke
2022-03-24 4:54 ` Sandeep Maheswaram (Temp)
2022-03-30 4:03 ` Pavan Kondeti
2022-03-30 16:46 ` Matthias Kaehlcke
2022-03-31 3:14 ` Pavan Kondeti
2022-03-22 7:07 ` [PATCH v11 3/5] usb: dwc3: qcom: Add helper functions to enable,disable wake irqs Sandeep Maheswaram
2022-03-22 8:33 ` Pavan Kondeti
2022-03-22 7:07 ` [PATCH v11 4/5] usb: dwc3: qcom: Configure wakeup interrupts during suspend Sandeep Maheswaram
2022-03-22 8:36 ` Pavan Kondeti
2022-03-22 7:07 ` Sandeep Maheswaram [this message]
2022-03-22 8:37 ` [PATCH v11 5/5] usb: dwc3: qcom: Keep power domain on to retain controller status Pavan Kondeti
2022-03-22 9:18 ` Sandeep Maheswaram (Temp)
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