| Message ID | 1453381071-47571-1-git-send-email-pawelx.wodkowski@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 21 January 2016 at 13:57, Pawel Wodkowski <pawelx.wodkowski@intel.com> wrote: > From: Chuanxiao Dong <chuanxiao.dong@intel.com> > > Clock frequency values written to an mmc host should not be less than > the minimum clock frequency which the mmc host supports. > > Signed-off-by: Yuan Juntao <juntaox.yuan@intel.com> > Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com> Thanks, applied for next! Kind regards Uffe > > --- > > Changes in v2: > - Allow setting zero frequency. > > drivers/mmc/core/debugfs.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c > index 154aced0b91b..705586dcd9fa 100644 > --- a/drivers/mmc/core/debugfs.c > +++ b/drivers/mmc/core/debugfs.c > @@ -220,7 +220,7 @@ static int mmc_clock_opt_set(void *data, u64 val) > struct mmc_host *host = data; > > /* We need this check due to input value is u64 */ > - if (val > host->f_max) > + if (val != 0 && (val > host->f_max || val < host->f_min)) > return -EINVAL; > > mmc_claim_host(host); > -- > 1.9.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c index 154aced0b91b..705586dcd9fa 100644 --- a/drivers/mmc/core/debugfs.c +++ b/drivers/mmc/core/debugfs.c @@ -220,7 +220,7 @@ static int mmc_clock_opt_set(void *data, u64 val) struct mmc_host *host = data; /* We need this check due to input value is u64 */ - if (val > host->f_max) + if (val != 0 && (val > host->f_max || val < host->f_min)) return -EINVAL; mmc_claim_host(host);