Re: [PATCH 10/14] soundwire: Add sysfs for SoundWire DisCo properties

From: Vinod Koul
Date: Thu Nov 09 2017 - 23:49:13 EST


On Thu, Nov 09, 2017 at 09:14:35PM +0000, Srinivas Kandagatla wrote:
>
>
> On 19/10/17 04:03, Vinod Koul wrote:
> >It helps to read the properties for understanding and debug
> >SoundWire systems, so add sysfs files for SoundWire DisCo
> >properties.
> >
> >TODO: Add ABI files for sysfs
> >
> >Signed-off-by: Sanyog Kale <sanyog.r.kale@xxxxxxxxx>
> >Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx>
> >---
>
> >diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
> >index 6c4f41b64744..e3d7aea18892 100644
> >--- a/drivers/soundwire/bus.c
> >+++ b/drivers/soundwire/bus.c
> >@@ -90,6 +90,8 @@ int sdw_add_bus_master(struct sdw_bus *bus)
> > }
> > }
> >+ sdw_sysfs_bus_init(bus);
> >+
> > /*
> > * SDW is an enumerable bus, but devices can be powered off. So,
> > * they won't be able to report as present.
> >@@ -119,6 +121,8 @@ static int sdw_delete_slave(struct device *dev, void *data)
> > struct sdw_slave *slave = dev_to_sdw_dev(dev);
> > struct sdw_bus *bus = slave->bus;
> >+ sdw_sysfs_slave_exit(slave);
> >+
> > mutex_lock(&bus->bus_lock);
> > if (!list_empty(&bus->slaves))
> > list_del(&slave->node);
> >@@ -130,6 +134,7 @@ static int sdw_delete_slave(struct device *dev, void *data)
> > void sdw_delete_bus_master(struct sdw_bus *bus)
> > {
> >+ sdw_sysfs_bus_init(bus);
>
> Shouldn't this be sdw_sysfs_bus_exit() here?

yes thats right, fixes in for v2

--
~Vinod