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| FSL_RIO_CONFIG_READ(9) | Internals | FSL_RIO_CONFIG_READ(9) |
NAME¶
fsl_rio_config_read - Generate a MPC85xx read maintenance transaction
SYNOPSIS¶
int fsl_rio_config_read(struct rio_mport * mport, int index, u16 destid, u8 hopcount, u32 offset, int len, u32 * val);
ARGUMENTS¶
struct rio_mport * mport
RapidIO master port info
int index
ID of RapdiIO interface
u16 destid
Destination ID of transaction
u8 hopcount
Number of hops to target device
u32 offset
Offset into configuration space
int len
Length (in bytes) of the maintenance transaction
u32 * val
Location to be read into
DESCRIPTION¶
Generates a MPC85xx read maintenance transaction. Returns 0 on success or -EINVAL on failure.
AUTHOR¶
Matt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com>
Author.
COPYRIGHT¶
| September 2017 | Kernel Hackers Manual 4.12 |