From: Prasad J Pandit <p...@fedoraproject.org> In SDHCI protocol, the transfer mode register is defined to be of 6 bits. Mask its value with '0x0037' so that an invalid value couldn't be assigned.
Signed-off-by: Prasad J Pandit <p...@fedoraproject.org> --- hw/sd/sdhci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Update: mask s->trnmod register value -> https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg02354.html diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index a9c744b..0307b8c 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -1050,7 +1050,7 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size) if (!(s->capareg & SDHC_CAN_DO_DMA)) { value &= ~SDHC_TRNS_DMA; } - MASKED_WRITE(s->trnmod, mask, value); + MASKED_WRITE(s->trnmod, mask, value & 0x0037); MASKED_WRITE(s->cmdreg, mask >> 16, value >> 16); /* Writing to the upper byte of CMDREG triggers SD command generation */ -- 2.9.3
