FreeBSD/sys/dev/drm2/radeon/radeon_asic.c
/**
 * radeon_invalid_rreg - dummy reg read function
 *
 * @rdev: radeon device pointer
 * @reg: offset of register
 *
 * Dummy register read function.  Used for register blocks
 * that certain asics don't have (all asics).
 * Returns the value in the register.
 */
dummy reg read function
@rdev: radeon device pointer
@reg: offset of register

Dummy register read function.  Used for register blocks
that certain asics don't have (all asics).
Returns the value in the register.
dummy reg read function @rdev : radeon device pointer @reg : offset of register Dummy register read function . Used for register blocks that certain asics don ' t have ( all asics ) . Returns the value in the register .
static uint32_t radeon_invalid_rreg(struct radeon_device *rdev, uint32_t reg)
{
	panic("Invalid callback to read register 0x%04X\n", reg);
	return 0;
}
static uint32_t radeon_invalid_rreg ( struct radeon_device * rdev , uint32_t reg ) { panic ( " \n " , reg ) ; return 0 ; }
radeon_invalid_rreg - dummy reg read function
 @rdev: radeon device pointer
 @reg: offset of register
radeon_invalid_rreg - dummy reg read function @rdev : radeon device pointer @reg : offset of register