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SubjectRe: [PATCH 2/6] interconnect: qcom: Implement xlate_extended() to parse tags
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Hey Georgi,

Thanks for the patch!

On 7/23/20 6:39 PM, Georgi Djakov wrote:
> Implement a function to parse the arguments of the "interconnects" DT
> property and populate the interconnect path tags if this information
> is available.
>
> Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
> ---
> drivers/interconnect/qcom/icc-rpmh.c | 27 +++++++++++++++++++++++++++
> drivers/interconnect/qcom/icc-rpmh.h | 1 +
> 2 files changed, 28 insertions(+)
>
> diff --git a/drivers/interconnect/qcom/icc-rpmh.c b/drivers/interconnect/qcom/icc-rpmh.c
> index 3ac5182c9ab2..44144fabec32 100644
> --- a/drivers/interconnect/qcom/icc-rpmh.c
> +++ b/drivers/interconnect/qcom/icc-rpmh.c
> @@ -6,6 +6,8 @@
> #include <linux/interconnect.h>
> #include <linux/interconnect-provider.h>
> #include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/slab.h>
>
> #include "bcm-voter.h"
> #include "icc-rpmh.h"
> @@ -92,6 +94,31 @@ int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
> }
> EXPORT_SYMBOL_GPL(qcom_icc_set);
>
> +struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data)
> +{
> + struct icc_node_data *ndata;
> + struct icc_node *node;
> +
> + if (!spec)
> + return ERR_PTR(-EINVAL);
> +

you could probably skip ^^ check

Tested-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>

> + node = of_icc_xlate_onecell(spec, data);
> + if (IS_ERR(node))
> + return ERR_CAST(node);
> +
> + ndata = kzalloc(sizeof(*ndata), GFP_KERNEL);
> + if (!ndata)
> + return ERR_PTR(-ENOMEM);
> +
> + ndata->node = node;
> +
> + if (spec->args_count == 2)
> + ndata->tag = spec->args[1];
> +
> + return ndata;
> +}
> +EXPORT_SYMBOL_GPL(qcom_icc_xlate_extended);
> +
> /**
> * qcom_icc_bcm_init - populates bcm aux data and connect qnodes
> * @bcm: bcm to be initialized
> diff --git a/drivers/interconnect/qcom/icc-rpmh.h b/drivers/interconnect/qcom/icc-rpmh.h
> index 903d25e61984..1dac39bc255d 100644
> --- a/drivers/interconnect/qcom/icc-rpmh.h
> +++ b/drivers/interconnect/qcom/icc-rpmh.h
> @@ -143,6 +143,7 @@ struct qcom_icc_desc {
> int qcom_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw,
> u32 peak_bw, u32 *agg_avg, u32 *agg_peak);
> int qcom_icc_set(struct icc_node *src, struct icc_node *dst);
> +struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data);
> int qcom_icc_bcm_init(struct qcom_icc_bcm *bcm, struct device *dev);
> void qcom_icc_pre_aggregate(struct icc_node *node);
>
>
>
>

--
Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc, is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

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