linux-kernel - [PATCH] platform/x86: ISST: Use dev_get

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Date:   Wed, 24 Jul 2019 20:23:20 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] platform/x86: ISST: Use dev_get_drvdata

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/platform/x86/intel_speed_select_if/isst_if_mmio.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/platform/x86/intel_speed_select_if/isst_if_mmio.c b/drivers/platform/x86/intel_speed_select_if/isst_if_mmio.c
index f7266a115a08..ad8c7c0df4d9 100644
--- a/drivers/platform/x86/intel_speed_select_if/isst_if_mmio.c
+++ b/drivers/platform/x86/intel_speed_select_if/isst_if_mmio.c
@@ -132,11 +132,9 @@ static void isst_if_remove(struct pci_dev *pdev)
 
 static int __maybe_unused isst_if_suspend(struct device *device)
 {
-	struct pci_dev *pdev = to_pci_dev(device);
-	struct isst_if_device *punit_dev;
+	struct isst_if_device *punit_dev = dev_get_drvdata(device);
 	int i;
 
-	punit_dev = pci_get_drvdata(pdev);
 	for (i = 0; i < ARRAY_SIZE(punit_dev->range_0); ++i)
 		punit_dev->range_0[i] = readl(punit_dev->punit_mmio +
 						mmio_range[0].beg + 4 * i);
@@ -149,11 +147,9 @@ static int __maybe_unused isst_if_suspend(struct device *device)
 
 static int __maybe_unused isst_if_resume(struct device *device)
 {
-	struct pci_dev *pdev = to_pci_dev(device);
-	struct isst_if_device *punit_dev;
+	struct isst_if_device *punit_dev = dev_get_drvdata(device);
 	int i;
 
-	punit_dev = pci_get_drvdata(pdev);
 	for (i = 0; i < ARRAY_SIZE(punit_dev->range_0); ++i)
 		writel(punit_dev->range_0[i], punit_dev->punit_mmio +
 						mmio_range[0].beg + 4 * i);
-- 
2.20.1