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From: Vinod Koul <vkoul@kernel.org>
To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: yung-chuan.liao@linux.intel.com,
	pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com,
	linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org
Subject: Re: [PATCH 3/6] soundwire: qcom: set continue execution flag for ignored commands
Date: Mon, 1 Feb 2021 19:46:42 +0530	[thread overview]
Message-ID: <20210201141642.GB2771@vkoul-mobl> (raw)
In-Reply-To: <20210129173248.5941-4-srinivas.kandagatla@linaro.org>

On 29-01-21, 17:32, Srinivas Kandagatla wrote:
> version 1.5.1 and higher IPs of this controller required to set
> continue execution on ingored command flag. This patch sets this flag.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
>  drivers/soundwire/qcom.c | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
> index da6e0d4e9622..3669bac11a32 100644
> --- a/drivers/soundwire/qcom.c
> +++ b/drivers/soundwire/qcom.c
> @@ -40,6 +40,7 @@
>  #define SWRM_CMD_FIFO_CMD					0x308
>  #define SWRM_CMD_FIFO_STATUS					0x30C
>  #define SWRM_CMD_FIFO_CFG_ADDR					0x314
> +#define SWRM_CONTINUE_EXEC_ON_CMD_IGNORE			BIT(31)
>  #define SWRM_RD_WR_CMD_RETRIES					0x7
>  #define SWRM_CMD_FIFO_RD_FIFO_ADDR				0x318
>  #define SWRM_ENUMERATOR_CFG_ADDR				0x500
> @@ -345,7 +346,16 @@ static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
>  	ctrl->reg_write(ctrl, SWRM_MCP_CFG_ADDR, val);
>  
>  	/* Configure number of retries of a read/write cmd */
> -	ctrl->reg_write(ctrl, SWRM_CMD_FIFO_CFG_ADDR, SWRM_RD_WR_CMD_RETRIES);
> +	if (ctrl->version_major == 1 && ctrl->version_minor >= 5 &&
> +	    ctrl->version_step >= 1) {

why not use raw version value?

        if (ctrl->raw > 0x10501 )

> +		/* Only for versions >= 1.5.1 */
> +		ctrl->reg_write(ctrl, SWRM_CMD_FIFO_CFG_ADDR,
> +				SWRM_RD_WR_CMD_RETRIES |
> +				SWRM_CONTINUE_EXEC_ON_CMD_IGNORE);
> +	} else {
> +		ctrl->reg_write(ctrl, SWRM_CMD_FIFO_CFG_ADDR,
> +				SWRM_RD_WR_CMD_RETRIES);
> +	}
>  
>  	/* Set IRQ to PULSE */
>  	ctrl->reg_write(ctrl, SWRM_COMP_CFG_ADDR,
> -- 
> 2.21.0

-- 
~Vinod

  parent reply	other threads:[~2021-02-01 14:17 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-29 17:32 [PATCH 0/6] soundwire: qcom: various improvements Srinivas Kandagatla
2021-01-29 17:32 ` [PATCH 1/6] soundwire: qcom: add support to missing transport params Srinivas Kandagatla
2021-01-29 19:20   ` Pierre-Louis Bossart
2021-02-01 15:50     ` Srinivas Kandagatla
2021-02-01 16:33       ` Pierre-Louis Bossart
2021-02-01 14:13   ` Vinod Koul
2021-02-01 15:50     ` Srinivas Kandagatla
2021-01-29 17:32 ` [PATCH 2/6] soundwire: qcom: extract version field Srinivas Kandagatla
2021-01-29 17:32 ` [PATCH 3/6] soundwire: qcom: set continue execution flag for ignored commands Srinivas Kandagatla
2021-01-29 19:21   ` Pierre-Louis Bossart
2021-02-01 14:16   ` Vinod Koul [this message]
2021-02-01 15:50     ` Srinivas Kandagatla
2021-02-02  4:46       ` Vinod Koul
2021-01-29 17:32 ` [PATCH 4/6] soundwire: qcom: start the clock during initialization Srinivas Kandagatla
2021-02-01 14:21   ` Vinod Koul
2021-02-01 15:50     ` Srinivas Kandagatla
2021-02-02  4:46       ` Vinod Koul
2021-01-29 17:32 ` [PATCH 5/6] soundwire: qcom: update register read/write routine Srinivas Kandagatla
2021-01-29 19:33   ` Pierre-Louis Bossart
2021-02-01 15:50     ` Srinivas Kandagatla
2021-02-01 16:42       ` Pierre-Louis Bossart
2021-02-02 10:19         ` Srinivas Kandagatla
2021-02-02 16:58           ` Pierre-Louis Bossart
2021-02-01 14:26   ` Vinod Koul
2021-02-01 15:50     ` Srinivas Kandagatla
2021-01-29 17:32 ` [PATCH 6/6] soundwire: qcom: add support to new interrupts Srinivas Kandagatla
2021-01-29 19:38   ` Pierre-Louis Bossart
2021-02-01 15:51     ` Srinivas Kandagatla
2021-02-01 14:31   ` Vinod Koul
2021-02-01 15:51     ` Srinivas Kandagatla

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