[RESEND RFC 0/3] mmc: sdhci: sdhci-msm: Add more debug logs

[Ritesh Harjani]

Resending this small set of patches.

Below is a small set of patches which provide useful info for
debugging issues.

Patch 1 :- This provide callback mechanism for platform drivers
to dump their necessary register info at the time of sdhci_dumpregs.

Patch 2 :- This implements this callback (->platform_dumpregs)
for sdhci-msm.

Patch 3 :- Adds more logs for data errors to aid debugging.

Ritesh Harjani (1):
  mmc: sdhci: Add more debug info in case of data error

Sahitya Tummala (2):
  mmc: sdhci: Add platform_dumpregs callback support to sdhci_ops.
  mmc: sdhci-msm: Implement platform_dumpregs callback in sdhci-msm

 drivers/mmc/host/sdhci-msm.c | 34 ++++++++++++++++++++++++++++++++++
 drivers/mmc/host/sdhci.c     | 24 ++++++++++++++++++++++--
 drivers/mmc/host/sdhci.h     |  1 +
 3 files changed, 57 insertions(+), 2 deletions(-)

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