[PATCH 2/2] spi: pxa2xx: Use ACPI_COMPANION() instead of acpi_bus_get_device()

Jarkko Nikula
2015-09-25T07:27:18Z

Get pointer to the struct acpi_device by using ACPI_COMPANION() macro. This
is more efficient than using ACPI_HANDLE() and acpi_bus_get_device().

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
---
drivers/spi/spi-pxa2xx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 36cbb0f10856..6f834e5b0547 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1316,8 +1316,8 @@ pxa2xx_spi_acpi_get_pdata(struct platform_device *pdev)
const struct pci_device_id *pcidev_id = NULL;
int devid, type;

- if (!ACPI_HANDLE(&pdev->dev) ||
- acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev))
+ adev = ACPI_COMPANION(&pdev->dev);
+ if (!adev)
return NULL;

if (dev_is_pci(pdev->dev.parent))
--
2.5.3