Pull s390 updates from Martin Schwidefsky:
 "This is the bulk of the s390 patches for the 3.11 merge window.

  Notable enhancements are: the block timeout patches for dasd from
  Hannes, and more work on the PCI support front.  In addition some
  cleanup and the usual bug fixing."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (42 commits)
  s390/dasd: Fail all requests when DASD_FLAG_ABORTIO is set
  s390/dasd: Add 'timeout' attribute
  block: check for timeout function in blk_rq_timed_out()
  block/dasd: detailed I/O errors
  s390/dasd: Reduce amount of messages for specific errors
  s390/dasd: Implement block timeout handling
  s390/dasd: process all requests in the device tasklet
  s390/dasd: make number of retries configurable
  s390/dasd: Clarify comment
  s390/hwsampler: Updated misleading member names in hws_data_entry
  s390/appldata_net_sum: do not use static data
  s390/appldata_mem: do not use static data
  s390/vmwatchdog: do not use static data
  s390/airq: simplify adapter interrupt code
  s390/pci: remove per device debug attribute
  s390/dma: remove gratuitous brackets
  s390/facility: decompose test_facility()
  s390/sclp: remove duplicated include from sclp_ctl.c
  s390/irq: store interrupt information in pt_regs
  s390/drivers: Cocci spatch "ptr_ret.spatch"
  ...