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| author |   Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2021-03-30 15:47:14 +0100 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2021-03-30 22:55:07 +0530 |
| commit | a866a049024c789f6d6c35aefab3ae9837a2fa73 (patch) | |
| tree | 4cccc02c5748e04ee0e50e266e911eb410dbdf9b /drivers/soundwire | |
| parent | soundwire: qcom: set continue execution flag for ignored commands (diff) | |
| download | linux-dev-a866a049024c789f6d6c35aefab3ae9837a2fa73.tar.xz linux-dev-a866a049024c789f6d6c35aefab3ae9837a2fa73.zip | |
soundwire: qcom: start the clock during initialization
Start the clock during initialization, doing this explicitly
will add more clarity when we are adding clock stop feature.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210330144719.13284-5-srinivas.kandagatla@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
| -rw-r--r-- | drivers/soundwire/qcom.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index edc77d18c245..0f2167433d2f 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -47,6 +47,8 @@ #define SWRM_MCP_FRAME_CTRL_BANK_ADDR(m) (0x101C + 0x40 * (m)) #define SWRM_MCP_FRAME_CTRL_BANK_COL_CTRL_BMSK GENMASK(2, 0) #define SWRM_MCP_FRAME_CTRL_BANK_ROW_CTRL_BMSK GENMASK(7, 3) +#define SWRM_MCP_BUS_CTRL 0x1044 +#define SWRM_MCP_BUS_CLK_START BIT(1) #define SWRM_MCP_CFG_ADDR 0x1048 #define SWRM_MCP_CFG_MAX_NUM_OF_CMD_NO_PINGS_BMSK GENMASK(21, 17) #define SWRM_DEF_CMD_NO_PINGS 0x1f @@ -343,6 +345,7 @@ static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl) u32p_replace_bits(&val, SWRM_DEF_CMD_NO_PINGS, SWRM_MCP_CFG_MAX_NUM_OF_CMD_NO_PINGS_BMSK); ctrl->reg_write(ctrl, SWRM_MCP_CFG_ADDR, val); + ctrl->reg_write(ctrl, SWRM_MCP_BUS_CTRL, SWRM_MCP_BUS_CLK_START); /* Configure number of retries of a read/write cmd */ if (ctrl->version > 0x01050001) { /* Only for versions >= 1.5.1 */ |