| Message ID | E1aO3re-0005jh-W2@rmk-PC.arm.linux.org.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 5e249360a108..7fa9b2e8cfb2 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -633,7 +633,7 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd) if (!data) target_timeout = cmd->busy_timeout * 1000; else { - target_timeout = data->timeout_ns / 1000; + target_timeout = DIV_ROUND_UP(data->timeout_ns, 1000); if (host->clock) target_timeout += data->timeout_clks / host->clock; }
The data timeout gives the minimum amount of time that should be waited before timing out if no data is received from the card. Simply dividing the nanosecond part by 1000 does not give this required guarantee, since such a division rounds down. Use DIV_ROUND_UP() to give the desired timeout. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> --- drivers/mmc/host/sdhci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)