linux-kernel - [PATCH] dmaengine/dw_dmac: Hibernation support in dw

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-next>] [day] [month] [year] [list]

Date:	Wed, 11 Jan 2012 11:53:09 +0530
From:	Rajeev Kumar <rajeev-dlh.kumar@...com>
To:	<viresh.kumar@...com>
Cc:	<linus.walleij@...aro.org>, <mirko.gardi@...com>,
	<bhupesh.sharma@...com>, <deepak.sikri@...com>,
	<shiraz.hashim@...com>, <vipin.kumar@...com>,
	<vipulkumar.samar@...com>, <pratyush.anand@...com>,
	<rajeev-dlh.kumar@...com>, <armando.visconti@...com>,
	<vinod.koul@...el.com>, <dan.j.williams@...el.com>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux@....linux.org.uk>
Subject: [PATCH] dmaengine/dw_dmac: Hibernation support in dw_dmac

The suspend and resume implementation is through dev_pm_ops in dmac. So
in order to support hibernation, freeze, thaw and restore features are required.

Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@...com>
---
 drivers/dma/dw_dmac.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index d2e1c25..cb346d6 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -1568,6 +1568,9 @@ static int dw_resume_noirq(struct device *dev)
 static const struct dev_pm_ops dw_dev_pm_ops = {
 	.suspend_noirq = dw_suspend_noirq,
 	.resume_noirq = dw_resume_noirq,
+	.freeze_noirq = dw_suspend_noirq,
+	.thaw_noirq =	dw_resume_noirq,
+	.restore_noirq = dw_resume_noirq,
 };
 
 static struct platform_driver dw_driver = {
-- 
1.6.0.2

--
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/