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From:   Vaibhav Gupta <vaibhavgupta40@gmail.com>
To:     Bjorn Helgaas <helgaas@kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>, bjorn@helgaas.com,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Vaibhav Gupta <vaibhav.varodek@gmail.com>
Cc:     Vaibhav Gupta <vaibhavgupta40@gmail.com>,
        linux-kernel-mentees@lists.linuxfoundation.org,
        skhan@linuxfoundation.org, linux-media@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH v1] [media] saa7164: use dev_pm_ops structure for power management
Date:   Mon, 22 Jun 2020 17:39:13 +0530
Message-Id: <20200622120912.92392-1-vaibhavgupta40@gmail.com>
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Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

The .suspend() and .resume() callbacks are not defined for this driver.
Still, their power managemgement stucture can be easily upgraded to
gemeric, without affecting its normal behaviour.

Signed-off-by: Vaibhav Gupta <vaibhavgupta40@gmail.com>
---
 drivers/media/pci/saa7164/saa7164-core.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c
index 126d085be9a7..dba537c11797 100644
--- a/drivers/media/pci/saa7164/saa7164-core.c
+++ b/drivers/media/pci/saa7164/saa7164-core.c
@@ -1534,14 +1534,18 @@ static const struct pci_device_id saa7164_pci_tbl[] = {
 };
 MODULE_DEVICE_TABLE(pci, saa7164_pci_tbl);
 
+#define saa7164_suspend NULL
+#define saa7164_resume NULL
+
+static SIMPLE_DEV_PM_OPS(saa7164_pm_ops, saa7164_suspend, saa7164_resume);
+
 static struct pci_driver saa7164_pci_driver = {
 	.name     = "saa7164",
 	.id_table = saa7164_pci_tbl,
 	.probe    = saa7164_initdev,
 	.remove   = saa7164_finidev,
 	/* TODO */
-	.suspend  = NULL,
-	.resume   = NULL,
+	.driver.pm = &saa7164_pm_ops,
 };
 
 static int __init saa7164_init(void)
-- 
2.27.0