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soundwire: cadence: move clock/SSP related inits to dedicated function

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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>
This commit is contained in:
Pierre-Louis Bossart 2020-03-17 11:33:21 -05:00 committed by Vinod Koul
parent 12632459f1
commit 0cdcdedc15
1 changed files with 13 additions and 5 deletions
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18
drivers/soundwire/cadence_master.c
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@ -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);