From: Sandeep Maheswaram <quic_c_sanm@quicinc.com>
To: 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 v10 5/6] usb: dwc3: qcom: Keep power domain on to retain controller status
Date: Mon, 17 Jan 2022 11:14:07 +0530 [thread overview]
Message-ID: <1642398248-21753-6-git-send-email-quic_c_sanm@quicinc.com> (raw)
In-Reply-To: <1642398248-21753-1-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 b13e542..54dc3d3 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>
@@ -710,6 +711,7 @@ 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)
@@ -718,6 +720,8 @@ 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) {
@@ -825,6 +829,8 @@ 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:[~2022-01-17 5:44 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-17 5:44 [PATCH v10 0/6] USB DWC3 host wake up support from system suspend Sandeep Maheswaram
2022-01-17 5:44 ` [PATCH v10 1/6] usb: host: xhci: plat: Add suspend quirk for dwc3 controller Sandeep Maheswaram
2022-01-26 12:47 ` Greg Kroah-Hartman
2022-01-17 5:44 ` [PATCH v10 2/6] usb: dwc3: core: Host wake up support from system suspend Sandeep Maheswaram
2022-01-18 8:57 ` Jun Li
2022-01-24 5:27 ` Sandeep Maheswaram
2022-01-17 5:44 ` [PATCH v10 3/6] usb: dwc3: qcom: Add helper functions to enable,disable wake irqs Sandeep Maheswaram
2022-01-17 5:44 ` [PATCH v10 4/6] usb: dwc3: qcom: Change the IRQ flag for DP/DM hs phy irq Sandeep Maheswaram
2022-01-17 5:44 ` Sandeep Maheswaram [this message]
2022-01-17 5:44 ` [PATCH v10 6/6] usb: dwc3: qcom: Enable the interrupts during probe Sandeep Maheswaram
2022-01-18 6:12 ` Steev Klimaszewski
2022-01-18 6:30 ` Sandeep Maheswaram
2022-01-18 8:46 ` Steev Klimaszewski
2022-01-18 9:52 ` Pavan Kondeti
2022-01-20 5:22 ` Sandeep Maheswaram
2022-01-25 9:17 ` Sandeep Maheswaram
2022-01-28 8:36 ` Steev Klimaszewski
2022-01-28 9:00 ` Pavan Kondeti
2022-02-15 9:40 ` Sandeep Maheswaram
2022-02-16 3:22 ` Steev Klimaszewski
2022-02-16 6:27 ` Sandeep Maheswaram
2022-02-16 9:51 ` Steev Klimaszewski
[not found] ` <cad907b6-4434-45e7-bd70-b93c0035d90c@quicinc.com>
2022-02-17 22:16 ` Steev Klimaszewski
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