On Wed, Aug 29, 2012 at 07:06:18AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote: > poll the READY bit in PMT_CTRL. Any other access to the device is > forbidden while this bit isn't set. Try for 100ms > > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx> > --- > drivers/net/smc911x.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c > index cfcd83f..3695d32 100644 > --- a/drivers/net/smc911x.c > +++ b/drivers/net/smc911x.c > @@ -422,6 +422,7 @@ static int smc911x_probe(struct device_d *dev) > uint32_t val; > int is_32bit; > struct smc911x_plat *pdata = dev->platform_data; > + unsigned int to = 100; > > priv = xzalloc(sizeof(*priv)); > is_32bit = dev->resource[0].flags & IORESOURCE_MEM_TYPE_MASK; > @@ -452,6 +453,17 @@ static int smc911x_probe(struct device_d *dev) > } > } > > + /* > + * poll the READY bit in PMT_CTRL. Any other access to the device is > + * forbidden while this bit isn't set. Try for 100ms > + */ > + while (!(smc911x_reg_read(priv, PMT_CTRL) & PMT_CTRL_READY) && --to) > + udelay(1000); please use a regular timeout loop Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
