Merge tag 'pm+acpi-2-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafae...

[linux-drm-fsl-dcu.git] / drivers / spi / spi.c

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 8d85ddc4601173c14fd24ae6a5f7defe60b94102..18cc625d887f796aed4b082eb2366262aec8aaa8 100644 (file)
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -357,6 +357,19 @@ struct spi_device *spi_alloc_device(struct spi_master *master)
 }
 EXPORT_SYMBOL_GPL(spi_alloc_device);
 
+static void spi_dev_set_name(struct spi_device *spi)
+{
+       struct acpi_device *adev = ACPI_COMPANION(&spi->dev);
+
+       if (adev) {
+               dev_set_name(&spi->dev, "spi-%s", acpi_dev_name(adev));
+               return;
+       }
+
+       dev_set_name(&spi->dev, "%s.%u", dev_name(&spi->master->dev),
+                    spi->chip_select);
+}
+
 /**
  * spi_add_device - Add spi_device allocated with spi_alloc_device
  * @spi: spi_device to register
@@ -383,9 +396,7 @@ int spi_add_device(struct spi_device *spi)
        }
 
        /* Set the bus ID string */
-       dev_set_name(&spi->dev, "%s.%u", dev_name(&spi->master->dev),
-                       spi->chip_select);
-
+       spi_dev_set_name(spi);
 
        /* We need to make sure there's no other device with this
         * chipselect **BEFORE** we call setup(), else we'll trash
@@ -1144,7 +1155,7 @@ static acpi_status acpi_spi_add_device(acpi_handle handle, u32 level,
                return AE_NO_MEMORY;
        }
 
-       ACPI_HANDLE_SET(&spi->dev, handle);
+       ACPI_COMPANION_SET(&spi->dev, adev);
        spi->irq = -1;
 
        INIT_LIST_HEAD(&resource_list);