From 5c4ba3cc85296398855d621bf90b78866ea80444 Mon Sep 17 00:00:00 2001 From: Sudeep Holla Date: Fri, 21 Jul 2017 11:42:24 +0100 Subject: firmware: arm_scmi: add option for polling based performance domain operations In order to implement fast CPU DVFS switching, we need to perform all DVFS operations atomically. Since SCMI transfer already provide option to choose between pooling vs interrupt driven(default), we can opt for polling based transfers for set,get performance domain operations. This patch adds option to choose between polling vs interrupt driven SCMI transfers for set,get performance level operations. Cc: Arnd Bergmann Cc: Greg Kroah-Hartman Signed-off-by: Sudeep Holla --- include/linux/scmi_protocol.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'include/linux/scmi_protocol.h') diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index 5d63da9435ba..b458c87b866c 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -98,18 +98,18 @@ struct scmi_perf_ops { int (*limits_get)(const struct scmi_handle *handle, u32 domain, u32 *max_perf, u32 *min_perf); int (*level_set)(const struct scmi_handle *handle, u32 domain, - u32 level); + u32 level, bool poll); int (*level_get)(const struct scmi_handle *handle, u32 domain, - u32 *level); + u32 *level, bool poll); int (*device_domain_id)(struct device *dev); int (*get_transition_latency)(const struct scmi_handle *handle, struct device *dev); int (*add_opps_to_device)(const struct scmi_handle *handle, struct device *dev); int (*freq_set)(const struct scmi_handle *handle, u32 domain, - unsigned long rate); + unsigned long rate, bool poll); int (*freq_get)(const struct scmi_handle *handle, u32 domain, - unsigned long *rate); + unsigned long *rate, bool poll); }; /** -- cgit v1.2.3