Author: manu
Date: Thu Aug 23 18:33:42 2018
New Revision: 338271
URL: https://svnweb.freebsd.org/changeset/base/338271
Log:
aw_mmc: Handle MMCBR_IVAR_RETUNE_REQ
Without this the mmc stack sometimes think that we are in in a retune
operation and some command like switch the bus width to 4 bits failed.
We now switch correctly to 4 bits mode for sd card.
Reported by: jmg, others in pine64 irc channel
Modified:
head/sys/arm/allwinner/aw_mmc.c
Modified: head/sys/arm/allwinner/aw_mmc.c
==============================================================================
--- head/sys/arm/allwinner/aw_mmc.c Thu Aug 23 18:19:33 2018
(r338270)
+++ head/sys/arm/allwinner/aw_mmc.c Thu Aug 23 18:33:42 2018
(r338271)
@@ -1198,6 +1198,9 @@ aw_mmc_read_ivar(device_t bus, device_t child, int whi
*(int *)result = (sc->aw_mmc_conf->dma_xferlen *
AW_MMC_DMA_SEGS) / MMC_SECTOR_SIZE;
break;
+ case MMCBR_IVAR_RETUNE_REQ:
+ *(int *)result = retune_req_none;
+ break;
}
return (0);
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