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Date: Tue, 25 Aug 2020 20:01:50 +0300 From: Georgi Djakov <georgi.djakov@...aro.org> To: linux-pm@...r.kernel.org Cc: saravanak@...gle.com, mdtipton@...eaurora.org, okukatla@...eaurora.org, bjorn.andersson@...aro.org, vincent.guittot@...aro.org, akashast@...eaurora.org, georgi.djakov@...aro.org, linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v3 1/3] interconnect: Add get_bw() callback The interconnect controller hardware may support querying the current bandwidth settings, so add a callback for providers to implement this functionality if supported. Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org> --- include/linux/interconnect-provider.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/interconnect-provider.h b/include/linux/interconnect-provider.h index 4735518de515..520f70fe5a31 100644 --- a/include/linux/interconnect-provider.h +++ b/include/linux/interconnect-provider.h @@ -38,6 +38,7 @@ struct icc_node *of_icc_xlate_onecell(struct of_phandle_args *spec, * @aggregate: pointer to device specific aggregate operation function * @pre_aggregate: pointer to device specific function that is called * before the aggregation begins (optional) + * @get_bw: pointer to device specific function to get current bandwidth * @xlate: provider-specific callback for mapping nodes from phandle arguments * @dev: the device this interconnect provider belongs to * @users: count of active users @@ -51,6 +52,7 @@ struct icc_provider { int (*aggregate)(struct icc_node *node, u32 tag, u32 avg_bw, u32 peak_bw, u32 *agg_avg, u32 *agg_peak); void (*pre_aggregate)(struct icc_node *node); + int (*get_bw)(struct icc_node *node, u32 *avg, u32 *peak); struct icc_node* (*xlate)(struct of_phandle_args *spec, void *data); struct device *dev; int users;
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