From: Sandeep Maheswaram <sanm@codeaurora.org>
To: Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Felipe Balbi <balbi@kernel.org>,
Stephen Boyd <swboyd@chromium.org>,
Doug Anderson <dianders@chromium.org>,
Matthias Kaehlcke <mka@chromium.org>
Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Manu Gautam <mgautam@codeaurora.org>,
Sandeep Maheswaram <sanm@codeaurora.org>
Subject: [PATCH v2 2/3] usb: dwc3: qcom: Configure wakeup interrupts and set genpd active wakeup flag
Date: Thu, 9 Jul 2020 00:40:16 +0530 [thread overview]
Message-ID: <1594235417-23066-3-git-send-email-sanm@codeaurora.org> (raw)
In-Reply-To: <1594235417-23066-1-git-send-email-sanm@codeaurora.org>
configure interrupts based on hs_phy_flag. Set genpd active wakeup flag
for usb gdsc if wakeup capable devices are connected.
Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
---
drivers/usb/dwc3/dwc3-qcom.c | 73 ++++++++++++++++++++++++++++++++++----------
1 file changed, 57 insertions(+), 16 deletions(-)
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 1dfd024..8902670 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -16,9 +16,11 @@
#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>
+#include <linux/usb/hcd.h>
#include "core.h"
@@ -192,21 +194,34 @@ static int dwc3_qcom_register_extcon(struct dwc3_qcom *qcom)
static void dwc3_qcom_disable_interrupts(struct dwc3_qcom *qcom)
{
+ struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3);
+
if (qcom->hs_phy_irq) {
disable_irq_wake(qcom->hs_phy_irq);
disable_irq_nosync(qcom->hs_phy_irq);
}
+ if (dwc->hs_phy_flags & PHY_MODE_USB_HOST_LS) {
+ if (qcom->dp_hs_phy_irq) {
+ disable_irq_wake(qcom->dp_hs_phy_irq);
+ disable_irq_nosync(qcom->dp_hs_phy_irq);
+ }
+ } else if (dwc->hs_phy_flags & PHY_MODE_USB_HOST_HS) {
+ if (qcom->dm_hs_phy_irq) {
+ disable_irq_wake(qcom->dm_hs_phy_irq);
+ disable_irq_nosync(qcom->dm_hs_phy_irq);
+ }
+ } else {
- if (qcom->dp_hs_phy_irq) {
- disable_irq_wake(qcom->dp_hs_phy_irq);
- disable_irq_nosync(qcom->dp_hs_phy_irq);
- }
+ if (qcom->dp_hs_phy_irq) {
+ disable_irq_wake(qcom->dp_hs_phy_irq);
+ disable_irq_nosync(qcom->dp_hs_phy_irq);
+ }
- if (qcom->dm_hs_phy_irq) {
- disable_irq_wake(qcom->dm_hs_phy_irq);
- disable_irq_nosync(qcom->dm_hs_phy_irq);
+ if (qcom->dm_hs_phy_irq) {
+ disable_irq_wake(qcom->dm_hs_phy_irq);
+ disable_irq_nosync(qcom->dm_hs_phy_irq);
+ }
}
-
if (qcom->ss_phy_irq) {
disable_irq_wake(qcom->ss_phy_irq);
disable_irq_nosync(qcom->ss_phy_irq);
@@ -215,21 +230,34 @@ static void dwc3_qcom_disable_interrupts(struct dwc3_qcom *qcom)
static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom)
{
+ struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3);
+
if (qcom->hs_phy_irq) {
enable_irq(qcom->hs_phy_irq);
enable_irq_wake(qcom->hs_phy_irq);
}
+ if (dwc->hs_phy_flags & PHY_MODE_USB_HOST_LS) {
+ if (qcom->dp_hs_phy_irq) {
+ enable_irq(qcom->dp_hs_phy_irq);
+ enable_irq_wake(qcom->dp_hs_phy_irq);
+ }
+ } else if (dwc->hs_phy_flags & PHY_MODE_USB_HOST_HS) {
+ if (qcom->dm_hs_phy_irq) {
+ enable_irq(qcom->dm_hs_phy_irq);
+ enable_irq_wake(qcom->dm_hs_phy_irq);
+ }
+ } else {
- if (qcom->dp_hs_phy_irq) {
- enable_irq(qcom->dp_hs_phy_irq);
- enable_irq_wake(qcom->dp_hs_phy_irq);
- }
+ if (qcom->dp_hs_phy_irq) {
+ enable_irq(qcom->dp_hs_phy_irq);
+ enable_irq_wake(qcom->dp_hs_phy_irq);
+ }
- if (qcom->dm_hs_phy_irq) {
- enable_irq(qcom->dm_hs_phy_irq);
- enable_irq_wake(qcom->dm_hs_phy_irq);
+ if (qcom->dm_hs_phy_irq) {
+ enable_irq(qcom->dm_hs_phy_irq);
+ enable_irq_wake(qcom->dm_hs_phy_irq);
+ }
}
-
if (qcom->ss_phy_irq) {
enable_irq(qcom->ss_phy_irq);
enable_irq_wake(qcom->ss_phy_irq);
@@ -240,6 +268,14 @@ static int dwc3_qcom_suspend(struct dwc3_qcom *qcom)
{
u32 val;
int i;
+ struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3);
+ struct usb_hcd *hcd = platform_get_drvdata(dwc->xhci);
+ struct generic_pm_domain *genpd;
+
+ genpd = pd_to_genpd(qcom->dev->pm_domain);
+
+ if (genpd && usb_wakeup_enabled_descendants(hcd->self.root_hub))
+ genpd->flags |= GENPD_FLAG_ACTIVE_WAKEUP;
if (qcom->is_suspended)
return 0;
@@ -261,6 +297,11 @@ static int dwc3_qcom_resume(struct dwc3_qcom *qcom)
{
int ret;
int i;
+ struct generic_pm_domain *genpd;
+
+ genpd = pd_to_genpd(qcom->dev->pm_domain);
+ if (genpd)
+ genpd->flags &= !GENPD_FLAG_ACTIVE_WAKEUP;
if (!qcom->is_suspended)
return 0;
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2020-07-08 19:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-08 19:10 [PATCH v2 0/3] usb: dwc3: Host wake up support from system suspend Sandeep Maheswaram
2020-07-08 19:10 ` [PATCH v2 1/3] usb: dwc3: core: " Sandeep Maheswaram
2020-07-21 21:36 ` Matthias Kaehlcke
2020-08-13 15:49 ` Matthias Kaehlcke
2020-07-08 19:10 ` Sandeep Maheswaram [this message]
2020-07-10 6:12 ` [PATCH v2 2/3] usb: dwc3: qcom: Configure wakeup interrupts and set genpd active wakeup flag Stephen Boyd
2020-07-21 22:55 ` Matthias Kaehlcke
2020-07-08 19:10 ` [PATCH v2 3/3] arm64: dts: qcom: sc7180: Use pdc interrupts for USB instead of GIC interrupts Sandeep Maheswaram
2020-07-10 6:17 ` Stephen Boyd
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=1594235417-23066-3-git-send-email-sanm@codeaurora.org \
--to=sanm@codeaurora.org \
--cc=agross@kernel.org \
--cc=balbi@kernel.org \
--cc=bjorn.andersson@linaro.org \
--cc=devicetree@vger.kernel.org \
--cc=dianders@chromium.org \
--cc=gregkh@linuxfoundation.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=mgautam@codeaurora.org \
--cc=mka@chromium.org \
--cc=robh+dt@kernel.org \
--cc=swboyd@chromium.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).