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@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

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 f7266a1..ad8c7c0 100644 (file)
--- 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);