linux-kernel - [PATCH] soundwire: export sdw_compute_slave

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Message-ID: <20230201165944.3169125-1-Vijendar.Mukunda@amd.com>
Date:   Wed, 1 Feb 2023 22:29:44 +0530
From:   Vijendar Mukunda <Vijendar.Mukunda@....com>
To:     <broonie@...nel.org>, <alsa-devel@...a-project.org>
CC:     <Basavaraj.Hiregoudar@....com>, <Sunilkumar.Dommati@....com>,
        <Mario.Limonciello@....com>, <Mastan.Katragadda@....com>,
        <arungopal.kondaveeti@....com>,
        Vijendar Mukunda <Vijendar.Mukunda@....com>,
        Vinod Koul <vkoul@...nel.org>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Sanyog Kale <sanyog.r.kale@...el.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: [PATCH] soundwire: export sdw_compute_slave_ports() function

Export sdw_compute_slave_ports() function to use it in another
soundwire manager module.
Move sdw_transport_data structure to bus header file to export
sdw_compute_slave_ports() function.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@....com>
---
 drivers/soundwire/bus.h                          |  9 +++++++++
 drivers/soundwire/generic_bandwidth_allocation.c | 12 +++---------
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/soundwire/bus.h b/drivers/soundwire/bus.h
index 7631ef5e71fb..141b99ac58de 100644
--- a/drivers/soundwire/bus.h
+++ b/drivers/soundwire/bus.h
@@ -144,6 +144,13 @@ struct sdw_master_runtime {
 	struct list_head bus_node;
 };
 
+struct sdw_transport_data {
+	int hstart;
+	int hstop;
+	int block_offset;
+	int sub_block_offset;
+};
+
 struct sdw_dpn_prop *sdw_get_slave_dpn_prop(struct sdw_slave *slave,
 					    enum sdw_data_direction direction,
 					    unsigned int port_num);
@@ -213,5 +220,7 @@ int sdw_bwrite_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr, u8 val
 
 void sdw_clear_slave_status(struct sdw_bus *bus, u32 request);
 int sdw_slave_modalias(const struct sdw_slave *slave, char *buf, size_t size);
+void sdw_compute_slave_ports(struct sdw_master_runtime *m_rt,
+			     struct sdw_transport_data *t_data);
 
 #endif /* __SDW_BUS_H */
diff --git a/drivers/soundwire/generic_bandwidth_allocation.c b/drivers/soundwire/generic_bandwidth_allocation.c
index f7c66083a4dd..39543048baa7 100644
--- a/drivers/soundwire/generic_bandwidth_allocation.c
+++ b/drivers/soundwire/generic_bandwidth_allocation.c
@@ -28,15 +28,8 @@ struct sdw_group {
 	unsigned int *rates;
 };
 
-struct sdw_transport_data {
-	int hstart;
-	int hstop;
-	int block_offset;
-	int sub_block_offset;
-};
-
-static void sdw_compute_slave_ports(struct sdw_master_runtime *m_rt,
-				    struct sdw_transport_data *t_data)
+void sdw_compute_slave_ports(struct sdw_master_runtime *m_rt,
+			     struct sdw_transport_data *t_data)
 {
 	struct sdw_slave_runtime *s_rt = NULL;
 	struct sdw_port_runtime *p_rt;
@@ -85,6 +78,7 @@ static void sdw_compute_slave_ports(struct sdw_master_runtime *m_rt,
 		}
 	}
 }
+EXPORT_SYMBOL(sdw_compute_slave_ports);
 
 static void sdw_compute_master_ports(struct sdw_master_runtime *m_rt,
 				     struct sdw_group_params *params,
-- 
2.34.1