linux-kernel - [PATCH v3 03/11] usb: dwc3: Enable runtime pm only after PHYs are initialized

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-id: <1364824448-14732-4-git-send-email-gautam.vivek@samsung.com>
Date:	Mon, 01 Apr 2013 19:24:02 +0530
From:	Vivek Gautam <gautam.vivek@...sung.com>
To:	linux-usb@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-omap@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
	balbi@...com, stern@...land.harvard.edu,
	sarah.a.sharp@...ux.intel.com, rob.herring@...xeda.com,
	kgene.kim@...sung.com, kishon@...com, dianders@...omium.org,
	t.figa@...sung.com, p.paneri@...sung.com
Subject: [PATCH v3 03/11] usb: dwc3: Enable runtime pm only after PHYs are
 initialized

Allow dwc3 to enable auto power management only after its PHYs
are initialized so that any further PHY handling by dwc3's
runtime power management callbacks is fine.

Signed-off-by: Vivek Gautam <gautam.vivek@...sung.com>
---
 drivers/usb/dwc3/core.c |   18 +++++++++---------
 1 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 3a6993c..e250828 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -491,15 +491,6 @@ static int dwc3_probe(struct platform_device *pdev)
 
 	dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize");
 
-	/* Setting device state as 'suspended' initially,
-	 * to make sure we know device state prior to
-	 * pm_runtime_enable
-	 */
-	pm_runtime_set_suspended(dev);
-	pm_runtime_enable(dev);
-	pm_runtime_get_sync(dev);
-	pm_runtime_forbid(dev);
-
 	dwc3_cache_hwparams(dwc);
 
 	ret = dwc3_alloc_event_buffers(dwc, DWC3_EVENT_BUFFERS_SIZE);
@@ -521,6 +512,15 @@ static int dwc3_probe(struct platform_device *pdev)
 		goto err1;
 	}
 
+	/* Setting device state as 'suspended' initially,
+	 * to make sure we know device state prior to
+	 * pm_runtime_enable
+	 */
+	pm_runtime_set_suspended(dev);
+	pm_runtime_enable(dev);
+	pm_runtime_get_sync(dev);
+	pm_runtime_forbid(dev);
+
 	if (IS_ENABLED(CONFIG_USB_DWC3_HOST))
 		mode = DWC3_MODE_HOST;
 	else if (IS_ENABLED(CONFIG_USB_DWC3_GADGET))
-- 
1.7.6.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/