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gpio: virtio: reorder fields to reduce struct padding

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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@linaro.org>
Message-ID: <f1221bbc120df6adaba9006710a517f1e84a10b2.1767601130.git.mst@redhat.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2025-12-29 18:58:05 -05:00
parent 29615fe3fb
commit 1a266b6d9c
1 changed files with 2 additions and 1 deletions
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3
drivers/gpio/gpio-virtio.c
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@ -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 {