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DMAM_DECLARE_COHEREN(9) Device drivers infrastructure DMAM_DECLARE_COHEREN(9)

NAME

dmam_declare_coherent_memory - Managed dma_declare_coherent_memory

SYNOPSIS

int dmam_declare_coherent_memory(struct device * dev, phys_addr_t phys_addr, dma_addr_t device_addr, size_t size, int flags);

ARGUMENTS

dev

Device to declare coherent memory for

phys_addr

Physical address of coherent memory to be declared

device_addr

Device address of coherent memory to be declared

size

Size of coherent memory to be declared

flags

Flags

DESCRIPTION

Managed dma_declare_coherent_memory.

RETURNS

0 on success, -errno on failure.

COPYRIGHT

June 2024 Kernel Hackers Manual 3.10