mmc: atmel-mci: save and restore sdioirq when soft reset is performed
Sometimes a software reset is needed. Then some registers are saved and restored but the interrupt mask register is missing. It causes issues with sdio devices whose interrupts are masked after reset. Signed-off-by: NLudovic Desroches <ludovic.desroches@atmel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: NChris Ball <cjb@laptop.org>
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