[GIT PULL] MMC fixes for v.4.4 rc2

Hi Linus, Here are some mmc fixes intended for v4.4 rc2. It's based on a commit prior rc1 as I wanted to get them a bit more tested in next before sending you the pull request. Details are as usual found in the signed tag. Please pull this in! Kind regards Ulf Hansson The following changes

[GIT PULL] MMC fixes for v.4.4 rc2

Hi Linus, Here are some mmc fixes intended for v4.4 rc2. It's based on a commit prior rc1 as I wanted to get them a bit more tested in next before sending you the pull request. Details are as usual found in the signed tag. Please pull this in! Kind regards Ulf Hansson The following changes