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authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2020-03-17 19:33:21 +0300
committerVinod Koul <vkoul@kernel.org>2020-03-19 10:13:04 +0300
commit0cdcdedc15b4fc340c0e1c9c57e6bd3d92cac9d3 (patch)
tree5a38bb579031e95356ee2554133102f7faba638d /drivers/soundwire
parent12632459f11a3e082207d48dca53555dfcf95585 (diff)
downloadlinux-0cdcdedc15b4fc340c0e1c9c57e6bd3d92cac9d3.tar.xz
soundwire: cadence: move clock/SSP related inits to dedicated function
This helps isolate code and align with recommended programming flows Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20200317163329.25501-10-pierre-louis.bossart@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
-rw-r--r--drivers/soundwire/cadence_master.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c
index 7d9fc2c645e3..fb697ff665f5 100644
--- a/drivers/soundwire/cadence_master.c
+++ b/drivers/soundwire/cadence_master.c
@@ -1043,11 +1043,7 @@ static u32 cdns_set_initial_frame_shape(int n_rows, int n_cols)
return val;
}
-/**
- * sdw_cdns_init() - Cadence initialization
- * @cdns: Cadence instance
- */
-int sdw_cdns_init(struct sdw_cdns *cdns)
+static void cdns_init_clock_ctrl(struct sdw_cdns *cdns)
{
struct sdw_bus *bus = &cdns->bus;
struct sdw_master_prop *prop = &bus->prop;
@@ -1073,6 +1069,18 @@ int sdw_cdns_init(struct sdw_cdns *cdns)
/* Set SSP interval to default value */
cdns_writel(cdns, CDNS_MCP_SSP_CTRL0, CDNS_DEFAULT_SSP_INTERVAL);
cdns_writel(cdns, CDNS_MCP_SSP_CTRL1, CDNS_DEFAULT_SSP_INTERVAL);
+}
+
+/**
+ * sdw_cdns_init() - Cadence initialization
+ * @cdns: Cadence instance
+ */
+int sdw_cdns_init(struct sdw_cdns *cdns)
+{
+ u32 val;
+ int ret;
+
+ cdns_init_clock_ctrl(cdns);
/* reset msg_count to default value of FIFOLEVEL */
cdns->msg_count = cdns_readl(cdns, CDNS_MCP_FIFOLEVEL);