other versions
| SPI_RES_ALLOC(9) | Serial Peripheral Interface (S | SPI_RES_ALLOC(9) |
NAME¶
spi_res_alloc - allocate a spi resource that is life-cycle managed during the processing of a spi_message while using spi_transfer_one
SYNOPSIS¶
void * spi_res_alloc(struct spi_device * spi, spi_res_release_t release, size_t size, gfp_t gfp);
ARGUMENTS¶
spi
the spi device for which we allocate memory
release
the release code to execute for this resource
size
size to alloc and return
gfp
GFP allocation flags
RETURN¶
the pointer to the allocated data
This may get enhanced in the future to allocate from a memory pool of the spi_device or spi_master to avoid repeated allocations.
COPYRIGHT¶
| January 2017 | Kernel Hackers Manual 4.8. |