linux-kernel - [PATCH 2/3] soundwire: intel: add SDW_MASTER_QUIRKS_CLEAR_INITIAL

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Message-Id: <20210126083746.3238-3-yung-chuan.liao@linux.intel.com>
Date:   Tue, 26 Jan 2021 16:37:45 +0800
From:   Bard Liao <yung-chuan.liao@...ux.intel.com>
To:     alsa-devel@...a-project.org, vkoul@...nel.org
Cc:     vinod.koul@...aro.org, linux-kernel@...r.kernel.org,
        gregkh@...uxfoundation.org, jank@...ence.com,
        srinivas.kandagatla@...aro.org, rander.wang@...ux.intel.com,
        ranjani.sridharan@...ux.intel.com, hui.wang@...onical.com,
        pierre-louis.bossart@...ux.intel.com, sanyog.r.kale@...el.com,
        bard.liao@...el.com
Subject: [PATCH 2/3] soundwire: intel: add SDW_MASTER_QUIRKS_CLEAR_INITIAL_CLASH quirk

There is nothing we can do to handle the bus clash interrupt before
interrupt mask is enabled.

Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
Reviewed-by: Rander Wang <rander.wang@...ux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
---
 drivers/soundwire/intel.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index a2d5cdaa9998..f7ba1a77a1df 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1286,6 +1286,8 @@ static int sdw_master_read_intel_prop(struct sdw_bus *bus)
 	if (quirk_mask & SDW_INTEL_QUIRK_MASK_BUS_DISABLE)
 		prop->hw_disabled = true;
 
+	prop->quirks = SDW_MASTER_QUIRKS_CLEAR_INITIAL_CLASH;
+
 	return 0;
 }
 
-- 
2.17.1