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Wed, 13 Mar 2019 11:03:14 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL106.nvidia.com (172.18.146.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Wed, 13 Mar 2019 11:03:14 +0000 Received: from linux.nvidia.com (Not Verified[10.24.34.185]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Wed, 13 Mar 2019 04:03:14 -0700 From: Sameer Pujar To: , , , , , , , , , , , , , , , , , , Subject: [PATCH 5/5] irqchip/gic-pm: fix suspend handling Date: Wed, 13 Mar 2019 16:32:36 +0530 Message-ID: <1552474956-25513-5-git-send-email-spujar@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1552474956-25513-1-git-send-email-spujar@nvidia.com> References: <1552474956-25513-1-git-send-email-spujar@nvidia.com> MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1552474983; bh=/c8dBXdCBjgWpy/eL9d436j0fbetwt7w7YVIz7Xrtf0=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Type; b=FaQ0yIVwXWq0SFhKb4i6mZ9HKEWaNC0anRSwckcz6vABVkATxO0vX/AIEw5uTEFjs iIMChNL4cFa1Nhw6GQc4zXZF2qvd6R3yLtXAUTb005LEnU7FntXS6evYV8b6XJZqME sJGSGk/JWgEmHt9MBsNutLmaRWbSv2pEfxdI7YpaqY8jGC70zeTMCCc/mE1COLkHpp SAV777tyzSQM7r9Px2hmdF5c5trOCsxZCpXdEk2F+DjMxNC3eMFGNnfZgTnf8kNA+K WBSs2rWm7F96IbRbAjr1HuLnuifWZUysjy22d9+ddIN9dmlespHFMZCpIqp6eG3P5v h97AY04noaTNA== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190313_110324_149372_5CB630F3 X-CRM114-Status: GOOD ( 11.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sameer Pujar , treding@nvidia.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, jonathanh@nvidia.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org If interrupts are enabled for a non-root GIC device that uses the gic-pm driver, when system suspend occurs, the current interrupt state is not saved and restored correctly and so interrupts do not work again on resuming the system. Add a late suspend handler to save and restore the state for these devices. Suggested-by: Jonathan Hunter Signed-off-by: Sameer Pujar --- drivers/irqchip/irq-gic-pm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/irqchip/irq-gic-pm.c b/drivers/irqchip/irq-gic-pm.c index b5405df..583858d 100644 --- a/drivers/irqchip/irq-gic-pm.c +++ b/drivers/irqchip/irq-gic-pm.c @@ -180,6 +180,8 @@ static int gic_remove(struct platform_device *pdev) static const struct dev_pm_ops gic_pm_ops = { SET_RUNTIME_PM_OPS(gic_runtime_suspend, gic_runtime_resume, NULL) + SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) }; static const char * const gic400_clocks[] = { -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel