From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> To: vkoul@kernel.org Cc: yung-chuan.liao@linux.intel.com, pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, robh@kernel.org, devicetree@vger.kernel.org, Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Subject: [PATCH v4 4/9] soundwire: qcom: start the clock during initialization Date: Fri, 12 Mar 2021 12:00:04 +0000 [thread overview] Message-ID: <20210312120009.22386-5-srinivas.kandagatla@linaro.org> (raw) In-Reply-To: <20210312120009.22386-1-srinivas.kandagatla@linaro.org> 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> --- drivers/soundwire/qcom.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index 43ec22a5e332..2bcb4362f0e0 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 */ -- 2.21.0
WARNING: multiple messages have this Message-ID (diff)
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> To: vkoul@kernel.org Cc: robh@kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, pierre-louis.bossart@linux.intel.com, linux-kernel@vger.kernel.org, Srinivas Kandagatla <srinivas.kandagatla@linaro.org>, sanyog.r.kale@intel.com, yung-chuan.liao@linux.intel.com Subject: [PATCH v4 4/9] soundwire: qcom: start the clock during initialization Date: Fri, 12 Mar 2021 12:00:04 +0000 [thread overview] Message-ID: <20210312120009.22386-5-srinivas.kandagatla@linaro.org> (raw) In-Reply-To: <20210312120009.22386-1-srinivas.kandagatla@linaro.org> 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> --- drivers/soundwire/qcom.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index 43ec22a5e332..2bcb4362f0e0 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 */ -- 2.21.0
next prev parent reply other threads:[~2021-03-12 12:01 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-12 12:00 [PATCH v4 0/9] soundwire: qcom: various improvements Srinivas Kandagatla 2021-03-12 12:00 ` Srinivas Kandagatla 2021-03-12 12:00 ` [PATCH v4 1/9] dt-bindings: soundwire: qcom: clarify data port bus parameters Srinivas Kandagatla 2021-03-12 12:00 ` Srinivas Kandagatla 2021-03-23 22:47 ` Rob Herring 2021-03-23 22:47 ` Rob Herring 2021-03-12 12:00 ` [PATCH v4 2/9] soundwire: qcom: add support to missing transport params Srinivas Kandagatla 2021-03-12 12:00 ` Srinivas Kandagatla 2021-03-12 12:00 ` [PATCH v4 3/9] soundwire: qcom: set continue execution flag for ignored commands Srinivas Kandagatla 2021-03-12 12:00 ` Srinivas Kandagatla 2021-03-12 12:00 ` Srinivas Kandagatla [this message] 2021-03-12 12:00 ` [PATCH v4 4/9] soundwire: qcom: start the clock during initialization Srinivas Kandagatla 2021-03-12 12:00 ` [PATCH v4 5/9] soundwire: qcom: update register read/write routine Srinivas Kandagatla 2021-03-12 12:00 ` Srinivas Kandagatla 2021-03-12 12:00 ` [PATCH v4 6/9] soundwire: qcom: add support to new interrupts Srinivas Kandagatla 2021-03-12 12:00 ` Srinivas Kandagatla 2021-03-12 12:00 ` [PATCH v4 7/9] soundwire: export sdw_compare_devid() and sdw_extract_slave_id() Srinivas Kandagatla 2021-03-12 12:00 ` Srinivas Kandagatla 2021-03-12 12:00 ` [PATCH v4 8/9] soundwire: qcom: add auto enumeration support Srinivas Kandagatla 2021-03-12 12:00 ` Srinivas Kandagatla 2021-03-20 6:13 ` kernel test robot 2021-03-20 6:13 ` kernel test robot 2021-03-20 6:13 ` kernel test robot 2021-03-12 12:00 ` [PATCH v4 9/9] soundwire: qcom: wait for enumeration to be complete in probe Srinivas Kandagatla 2021-03-12 12:00 ` Srinivas Kandagatla 2021-03-12 16:33 ` [PATCH v4 0/9] soundwire: qcom: various improvements Pierre-Louis Bossart
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