Re: [RESEND] soc: qcom: rpmh: Use __fill_rpmh_msg API during rpmh_write()

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On Thu 26 Nov 02:31 CST 2020, Maulik Shah wrote:

> Use __fill_rpmh_msg API during rpmh_write(). This allows to
> remove duplication of code in error checking, copying commands
> and setting message state.
> 

Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

> Signed-off-by: Maulik Shah <mkshah@xxxxxxxxxxxxxx>
> ---
>  drivers/soc/qcom/rpmh.c | 12 +++---------
>  1 file changed, 3 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c
> index ad1f062..01765ee 100644
> --- a/drivers/soc/qcom/rpmh.c
> +++ b/drivers/soc/qcom/rpmh.c
> @@ -181,8 +181,6 @@ static int __rpmh_write(const struct device *dev, enum rpmh_state state,
>  	struct cache_req *req;
>  	int i;
>  
> -	rpm_msg->msg.state = state;
> -
>  	/* Cache the request in our store and link the payload */
>  	for (i = 0; i < rpm_msg->msg.num_cmds; i++) {
>  		req = cache_rpm_request(ctrlr, state, &rpm_msg->msg.cmds[i]);
> @@ -190,8 +188,6 @@ static int __rpmh_write(const struct device *dev, enum rpmh_state state,
>  			return PTR_ERR(req);
>  	}
>  
> -	rpm_msg->msg.state = state;
> -
>  	if (state == RPMH_ACTIVE_ONLY_STATE) {
>  		WARN_ON(irqs_disabled());
>  		ret = rpmh_rsc_send_data(ctrlr_to_drv(ctrlr), &rpm_msg->msg);
> @@ -268,11 +264,9 @@ int rpmh_write(const struct device *dev, enum rpmh_state state,
>  	DEFINE_RPMH_MSG_ONSTACK(dev, state, &compl, rpm_msg);
>  	int ret;
>  
> -	if (!cmd || !n || n > MAX_RPMH_PAYLOAD)
> -		return -EINVAL;
> -
> -	memcpy(rpm_msg.cmd, cmd, n * sizeof(*cmd));
> -	rpm_msg.msg.num_cmds = n;
> +	ret = __fill_rpmh_msg(&rpm_msg, state, cmd, n);
> +	if (ret)
> +		return ret;
>  
>  	ret = __rpmh_write(dev, state, &rpm_msg);
>  	if (ret)
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation
> 



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