Merge branch 'xgene-next'

Merge branch 'xgene-next'

Iyappan Subramanian says:

====================
Fix warning and issues

This patch set fixes the following warning and issues,

  1. Fix compiler warnings
  	- drivers: net: xgene: Fix compiler warnings
  2. unmap DMA memory on xgene_Enet_delete_bufpoool()
	- drivers: net: xgene: fix: Add dma_unmap_single
  3. Delete descriptor rings and buffer pools on error
	- drivers: net: xgene: fix: Delete descriptor rings and buffer pools
  4. Fix error desconstruction on probe()
 	- drivers: net: xgene: Fix error deconstruction path
  5. Fix RSS indirection table fields
 	- drivers: net: xgene: Fix RSS indirection table fields
  6. Change the port init sequence as per hardware specification
	- drivers: net: xgene: Change port init sequence
  7. Fix link not recovered after link is down issue
	- drivers: net: xgene: XFI PCS reset when link is down
  8. Fix link up is reported when no SFP+ module is plugged in issue
	- drivers: net: xgene: Poll link status via GPIO
	- dtb: xgene: Add rxlos-gpios property
	- Documentation: dtb: xgene: Add rxlos GPIO mapping
  9. Fix backward compatibility when used with older driver
	- drivers: net: xgene: Fix backward compatibility
	- dtb: xgene: Fix backward compatibility

v2: Address review comments from v1
	- Fixed compiler warnings
	- Removed kbuild fix patch, since Arnd submitted the same
	- Changed Kconfig to select GPIOLIB (to fix kbuild warning)
	- Added rxlos-gpio documentation
	- Fixed backward compatibility with older driver

v1:
	- Initial version
====================

Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Tested-by: Fushen Chen <fchen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>