Merge tag 'mmc-v4.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:
 "MMC core:
   - Fix mmc card initialization for hosts not supporting HW busy
     detection
   - Fix mmc_test for sending commands during non-blocking write

  MMC host:
   - mxs: Avoid using an uninitialized
   - sdhci: Restore enhanced strobe setting during runtime resume
   - sdhci: Fix a couple of reset related issues
   - dw_mmc: Fix a reset controller issue"

* tag 'mmc-v4.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: mxs: Initialize the spinlock prior to using it
  mmc: mmc: Use 500ms as the default generic CMD6 timeout
  mmc: mmc_test: Fix "Commands during non-blocking write" tests
  mmc: sdhci: Fix missing enhanced strobe setting during runtime resume
  mmc: sdhci: Reset cmd and data circuits after tuning failure
  mmc: sdhci: Fix unexpected data interrupt handling
  mmc: sdhci: Fix CMD line reset interfering with ongoing data transfer
  mmc: dw_mmc: add the "reset" as name of reset controller
  Documentation: synopsys-dw-mshc: add binding for reset-names