Commit a866a049 authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Vinod Koul
Browse files

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: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210330144719.13284-5-srinivas.kandagatla@linaro.org


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 542d3491

drivers/soundwire/qcom.c

+3 −0
Original line number Diff line number Diff line
@@ -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 */