Hi, Shu-hsiang: On Wed, 2024-10-09 at 19:15 +0800, Shu-hsiang Yang wrote: > Introduces utility files for the MediaTek ISP7.x camsys driver. These > utilities provide essential platform definitions, debugging tools, and > management functions to support ISP operations and SCP communication. > Key functionalities include: > 1.Hardware pipeline and register definitions for managing image > processing modules. > 2.DMA debugging utilities and buffer management functions. > 3.Definitions of supported image formats for proper data handling. > 4.IPI and SCP communication structures for module state management and > configuring ISP. > 5.Metadata parameters for configuring image processing. > > Signed-off-by: Shu-hsiang Yang <Shu-hsiang.Yang@xxxxxxxxxxxx> > --- [snip] > +/* > + * struct mtkcam_ipi_hw_buffer - DMA buffer for CAM DMA device. > + * > + * @iova: DMA address for CAM DMA device. isp7_1: u64. > + * @size: buffer size. > + */ > +struct mtkcam_ipi_hw_buffer { > + u64 iova; > + u32 size; > +} __packed; > + mtkcam_ipi_hw_buffer is useless, so drop it. Regards, CK