diff options
Diffstat (limited to 'drivers/mmc/core/host.c')
| -rw-r--r-- | drivers/mmc/core/host.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 95cceae..d572b2b 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -452,6 +452,14 @@ int mmc_of_parse(struct mmc_host *host) if (of_find_property(np, "mmc-hs400-1_2v", &len)) host->caps2 |= MMC_CAP2_HS400_1_2V | MMC_CAP2_HS200_1_2V_SDR; + host->dsr_req = !of_property_read_u32(np, "dsr", &host->dsr); + if (host->dsr_req && (host->dsr & ~0xffff)) { + dev_err(host->parent, + "device tree specified broken value for DSR: 0x%x, ignoring\n", + host->dsr); + host->dsr_req = 0; + } + return 0; out: |
