On Thu, Mar 20, 2025 at 03:00:35PM +0100, Ulf Hansson wrote: > An mmc host driver may allow to unbind from its corresponding host device. > If an eMMC card is attached to the host, the mmc core will just try to cut > the power for it, without obeying to the eMMC spec. > > Potentially this may damage the card and it may also prevent us from > successfully doing a re-initialization of it, which would typically happen > if/when we try to re-bind the mmc host driver. > > To fix these problems, let's implement a graceful power-down of the card at > host removal. > > Reported-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> Tested-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
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