1 files changed, 16 insertions, 2 deletions

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 9e039c60c068..740f9ddda227 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -240,15 +240,27 @@ EXPORT_SYMBOL_GPL(spi_bus_type);
 static int spi_drv_probe(struct device *dev)
 {
         const struct spi_driver         *sdrv = to_spi_driver(dev->driver);
+        struct spi_device               *spi = to_spi_device(dev);
+        int ret;
+
+        acpi_dev_pm_attach(&spi->dev, true);
+        ret = sdrv->probe(spi);
+        if (ret)
+                acpi_dev_pm_detach(&spi->dev, true);
 
-        return sdrv->probe(to_spi_device(dev));
+        return ret;
 }
 
 static int spi_drv_remove(struct device *dev)
 {
         const struct spi_driver         *sdrv = to_spi_driver(dev->driver);
+        struct spi_device               *spi = to_spi_device(dev);
+        int ret;
+
+        ret = sdrv->remove(spi);
+        acpi_dev_pm_detach(&spi->dev, true);
 
-        return sdrv->remove(to_spi_device(dev));
+        return ret;
 }
 
 static void spi_drv_shutdown(struct device *dev)
@@ -1025,8 +1037,10 @@ static acpi_status acpi_spi_add_device(acpi_handle handle, u32 level,
                 return AE_OK;
         }
 
+        adev->power.flags.ignore_parent = true;
         strlcpy(spi->modalias, dev_name(&adev->dev), sizeof(spi->modalias));
         if (spi_add_device(spi)) {
+                adev->power.flags.ignore_parent = false;
                 dev_err(&master->dev, "failed to add SPI device %s from ACPI\n",
                         dev_name(&adev->dev));
                 spi_dev_put(spi);