diff options
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 9f23876..b876dcc 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -643,9 +643,14 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd) /* timeout in us */ if (!data) target_timeout = cmd->cmd_timeout_ms * 1000; - else - target_timeout = data->timeout_ns / 1000 + - data->timeout_clks / host->clock; + else { + /* patch added for divide by zero once issue. */ + if (host && host->clock) + target_timeout = data->timeout_ns / 1000 + + data->timeout_clks / host->clock; + else + return 0; + } if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK) host->timeout_clk = host->clock / 1000; |