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.kandaga...@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

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