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

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Message-ID: <20171110045219.GK3187@localhost>
Date:   Fri, 10 Nov 2017 10:22:19 +0530
From:   Vinod Koul <vinod.koul@...el.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        ALSA <alsa-devel@...a-project.org>, Mark <broonie@...nel.org>,
        Takashi <tiwai@...e.de>,
        Pierre <pierre-louis.bossart@...ux.intel.com>,
        Sanyog Kale <sanyog.r.kale@...el.com>,
        Shreyas NC <shreyas.nc@...el.com>, patches.audio@...el.com,
        alan@...ux.intel.com,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Sagar Dharia <sdharia@...eaurora.org>, plai@...eaurora.org,
        Sudheer Papothi <spapothi@...eaurora.org>
Subject: Re: [PATCH 10/14] soundwire: Add sysfs for SoundWire DisCo properties

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@...el.com>
> >Signed-off-by: Vinod Koul <vinod.koul@...el.com>
> >---
> 
> >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