From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com, srinivas.kandagatla@linaro.org, slawomir.blauciak@intel.com, Bard liao <yung-chuan.liao@linux.intel.com>, Rander Wang <rander.wang@linux.intel.com>, Ranjani Sridharan <ranjani.sridharan@linux.intel.com>, Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>, Sanyog Kale <sanyog.r.kale@intel.com> Subject: [PATCH 10/10] soundwire: bus: don't treat CMD_IGNORED as error on ClockStop Date: Tue, 14 Jan 2020 18:08:44 -0600 [thread overview] Message-ID: <20200115000844.14695-11-pierre-louis.bossart@linux.intel.com> (raw) In-Reply-To: <20200115000844.14695-1-pierre-louis.bossart@linux.intel.com> If a SoundWire link is enabled, but there are no Slave devices exposed in firmware tables for this link, or no Slaves in ATTACHED or ALERT mode, the CMD_IGNORED/-ENODATA error code on a broadcast write is perfectly legit. Filter this case to report errors and let the caller deal with the CMD_IGNORED case. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> --- drivers/soundwire/bus.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 3395abd2ed39..13887713f311 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -922,8 +922,12 @@ int sdw_bus_clk_stop(struct sdw_bus *bus) ret = sdw_bwrite_no_pm(bus, SDW_BROADCAST_DEV_NUM, SDW_SCP_CTRL, SDW_SCP_CTRL_CLK_STP_NOW); if (ret < 0) { - dev_err(bus->dev, - "ClockStopNow Broadcast message failed %d", ret); + if (ret == -ENODATA) + dev_dbg(bus->dev, + "ClockStopNow Broadcast msg ignored %d", ret); + else + dev_err(bus->dev, + "ClockStopNow Broadcast msg failed %d", ret); return ret; } -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> To: alsa-devel@alsa-project.org Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>, tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Ranjani Sridharan <ranjani.sridharan@linux.intel.com>, vkoul@kernel.org, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, slawomir.blauciak@intel.com, Sanyog Kale <sanyog.r.kale@intel.com>, Bard liao <yung-chuan.liao@linux.intel.com>, Rander Wang <rander.wang@linux.intel.com> Subject: [alsa-devel] [PATCH 10/10] soundwire: bus: don't treat CMD_IGNORED as error on ClockStop Date: Tue, 14 Jan 2020 18:08:44 -0600 [thread overview] Message-ID: <20200115000844.14695-11-pierre-louis.bossart@linux.intel.com> (raw) In-Reply-To: <20200115000844.14695-1-pierre-louis.bossart@linux.intel.com> If a SoundWire link is enabled, but there are no Slave devices exposed in firmware tables for this link, or no Slaves in ATTACHED or ALERT mode, the CMD_IGNORED/-ENODATA error code on a broadcast write is perfectly legit. Filter this case to report errors and let the caller deal with the CMD_IGNORED case. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> --- drivers/soundwire/bus.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 3395abd2ed39..13887713f311 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -922,8 +922,12 @@ int sdw_bus_clk_stop(struct sdw_bus *bus) ret = sdw_bwrite_no_pm(bus, SDW_BROADCAST_DEV_NUM, SDW_SCP_CTRL, SDW_SCP_CTRL_CLK_STP_NOW); if (ret < 0) { - dev_err(bus->dev, - "ClockStopNow Broadcast message failed %d", ret); + if (ret == -ENODATA) + dev_dbg(bus->dev, + "ClockStopNow Broadcast msg ignored %d", ret); + else + dev_err(bus->dev, + "ClockStopNow Broadcast msg failed %d", ret); return ret; } -- 2.20.1 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
next prev parent reply other threads:[~2020-01-15 0:10 UTC|newest] Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-15 0:08 [PATCH 00/10] soundwire: bus: fix race conditions, add suspend-resume Pierre-Louis Bossart 2020-01-15 0:08 ` [alsa-devel] " Pierre-Louis Bossart 2020-01-15 0:08 ` [PATCH 01/10] soundwire: bus: fix race condition with probe_complete signaling Pierre-Louis Bossart 2020-01-15 0:08 ` [alsa-devel] " Pierre-Louis Bossart 2020-01-15 0:08 ` [PATCH 02/10] soundwire: bus: fix race condition with enumeration_complete signaling Pierre-Louis Bossart 2020-01-15 0:08 ` [alsa-devel] " Pierre-Louis Bossart 2020-01-15 0:08 ` [PATCH 03/10] soundwire: bus: fix race condition with initialization_complete signaling Pierre-Louis Bossart 2020-01-15 0:08 ` [alsa-devel] " Pierre-Louis Bossart 2020-01-15 0:08 ` [PATCH 04/10] soundwire: bus: add PM/no-PM versions of read/write functions Pierre-Louis Bossart 2020-01-15 0:08 ` [alsa-devel] " Pierre-Louis Bossart 2020-01-15 0:08 ` [PATCH 05/10] soundwire: bus: write Slave Device Number without runtime_pm Pierre-Louis Bossart 2020-01-15 0:08 ` [alsa-devel] " Pierre-Louis Bossart 2020-01-15 0:08 ` [PATCH 06/10] soundwire: bus: add helper to clear Slave status to UNATTACHED Pierre-Louis Bossart 2020-01-15 0:08 ` [alsa-devel] " Pierre-Louis Bossart 2020-01-15 0:08 ` [PATCH 07/10] soundwire: bus: disable pm_runtime in sdw_slave_delete Pierre-Louis Bossart 2020-01-15 0:08 ` [alsa-devel] " Pierre-Louis Bossart 2020-01-15 0:08 ` [PATCH 08/10] soundwire: bus: fix io error when processing alert event Pierre-Louis Bossart 2020-01-15 0:08 ` [alsa-devel] " Pierre-Louis Bossart 2020-01-15 0:08 ` [PATCH 09/10] soundwire: bus: add clock stop helpers Pierre-Louis Bossart 2020-01-15 0:08 ` [alsa-devel] " Pierre-Louis Bossart 2020-01-15 0:08 ` Pierre-Louis Bossart [this message] 2020-01-15 0:08 ` [alsa-devel] [PATCH 10/10] soundwire: bus: don't treat CMD_IGNORED as error on ClockStop Pierre-Louis Bossart 2020-02-10 14:30 ` [alsa-devel] [PATCH 00/10] soundwire: bus: fix race conditions, add suspend-resume Pierre-Louis Bossart 2020-02-10 14:30 ` Pierre-Louis Bossart 2020-02-25 10:27 ` Vinod Koul 2020-02-25 10:27 ` Vinod Koul 2020-02-25 15:23 ` Pierre-Louis Bossart
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