| Message ID | 1433920705-13068-1-git-send-email-m-karicheri2@ti.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | e0b047bd8fc73b35ba1081097e0223eb778d982c |
| Headers | show |
On 06/10/2015 03:18 AM, Murali Karicheri wrote: > SPI hardware spec for Keystone specifies a lower value of 0 for pre-scale > divider that is used for generating spi clock which translates to a > clock divider of 2. So fix the lower limit to allow using a higher SPI > clock. > > Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> > Acked-by: Sekhar Nori <nsekhar@ti.com> > --- > drivers/spi/spi-davinci.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c > index 5e99106..987afeb 100644 > --- a/drivers/spi/spi-davinci.c > +++ b/drivers/spi/spi-davinci.c > @@ -265,7 +265,7 @@ static inline int davinci_spi_get_prescale(struct davinci_spi *dspi, > > ret = DIV_ROUND_UP(clk_get_rate(dspi->clk), max_speed_hz); > > - if (ret < 3 || ret > 256) > + if (ret < 1 || ret > 256) > return -EINVAL; > > return ret - 1; > Please ignore this as I messed up the PATCH prefix. I will re-send it with v1 and some updates to the commit log.
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index 5e99106..987afeb 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -265,7 +265,7 @@ static inline int davinci_spi_get_prescale(struct davinci_spi *dspi, ret = DIV_ROUND_UP(clk_get_rate(dspi->clk), max_speed_hz); - if (ret < 3 || ret > 256) + if (ret < 1 || ret > 256) return -EINVAL; return ret - 1;