[PATCH v2 15/15] gpio: virtio: reorder fields to reduce struct padding

[Michael S. Tsirkin]

Reorder struct virtio_gpio_line fields to place the DMA buffers
(req/res) last.

This eliminates the padding from aligning struct size on
ARCH_DMA_MINALIGN.

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
 drivers/gpio/gpio-virtio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-virtio.c b/drivers/gpio/gpio-virtio.c
index b70294626770..ed6e0e90fa8a 100644
--- a/drivers/gpio/gpio-virtio.c
+++ b/drivers/gpio/gpio-virtio.c
@@ -26,11 +26,12 @@ struct virtio_gpio_line {
 	struct mutex lock; /* Protects line operation */
 	struct completion completion;
 
+	unsigned int rxlen;
+
 	__dma_from_device_group_begin();
 	struct virtio_gpio_request req;
 	struct virtio_gpio_response res;
 	__dma_from_device_group_end();
-	unsigned int rxlen;
 };
 
 struct vgpio_irq_line {
-- 
MST