diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 4cfb26152a58..8df0ba0f63f4 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -540,9 +540,12 @@ static int sdhci_adma_table_pre(struct sdhci_host *host, BUG_ON(len > 65536); - /* tran, valid */ - sdhci_adma_write_desc(host, desc, addr, len, ADMA2_TRAN_VALID); - desc += host->desc_sz; + if (len) { + /* tran, valid */ + sdhci_adma_write_desc(host, desc, addr, len, + ADMA2_TRAN_VALID); + desc += host->desc_sz; + } /* * If this triggers then we have a calculation bug |