linux-kernel - [PATCH] nvme-pci: Use dev_get

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Message-Id: <20190724122235.21639-1-hslester96@gmail.com>
Date:   Wed, 24 Jul 2019 20:22:35 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] nvme-pci: Use dev_get_drvdata where possible

Instead of using to_pci_dev + pci_get_drvdata,
use dev_get_drvdata to make code simpler.

Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
 drivers/nvme/host/pci.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index bb970ca82517..3c6411f4d590 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2845,7 +2845,7 @@ static int nvme_set_power_state(struct nvme_ctrl *ctrl, u32 ps)
 
 static int nvme_resume(struct device *dev)
 {
-	struct nvme_dev *ndev = pci_get_drvdata(to_pci_dev(dev));
+	struct nvme_dev *ndev = dev_get_drvdata(dev);
 	struct nvme_ctrl *ctrl = &ndev->ctrl;
 
 	if (pm_resume_via_firmware() || !ctrl->npss ||
@@ -2914,7 +2914,7 @@ static int nvme_suspend(struct device *dev)
 
 static int nvme_simple_suspend(struct device *dev)
 {
-	struct nvme_dev *ndev = pci_get_drvdata(to_pci_dev(dev));
+	struct nvme_dev *ndev = dev_get_drvdata(dev);
 
 	nvme_dev_disable(ndev, true);
 	return 0;
@@ -2922,8 +2922,7 @@ static int nvme_simple_suspend(struct device *dev)
 
 static int nvme_simple_resume(struct device *dev)
 {
-	struct pci_dev *pdev = to_pci_dev(dev);
-	struct nvme_dev *ndev = pci_get_drvdata(pdev);
+	struct nvme_dev *ndev = dev_get_drvdata(dev);
 
 	nvme_reset_ctrl(&ndev->ctrl);
 	return 0;
-- 
2.20.1