Messages in this thread | | | From | Sudeep Holla <> | Subject | [PATCH 00/15] firmware: arm_scmi: Add support for multiple device per protocol | Date | Tue, 10 Dec 2019 14:53:30 +0000 |
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Currently only one scmi device is created for each protocol enumerated. However, there is requirement to make use of some procotols by multiple kernel subsystems/frameworks. One such example is SCMI PERFORMANCE protocol which can be used by both cpufreq and devfreq drivers. Similarly, SENSOR protocol may be used by hwmon and iio subsystems, and POWER protocol may be used by genpd and regulator drivers.
This series adds support for multiple device per protocol using scmi device name if one is available. It also updates existing drivers to add scmi device names to driver id tables.
Regards, Sudeep
Sudeep Holla (15): firmware: arm_scmi: Add support for multiple device per protocol firmware: arm_scmi: Skip scmi mbox channel setup for addtional devices firmware: arm_scmi: Skip protocol initialisation for additional devices firmware: arm_scmi: Add names to scmi devices created firmware: arm_scmi: Add versions and identifier attributes using dev_groups firmware: arm_scmi: Update scmi_prot_init_fn_t to use device instead of handle firmware: arm_scmi: Stash version in protocol init functions firmware: arm_scmi: Add and initialise protocol version to scmi_device structure firmware: arm_scmi: Add scmi protocol version and id device attributes firmware: arm_scmi: Drop logging individual scmi protocol version firmware: arm_scmi: Match scmi device by both name and protocol id clk: scmi: Match scmi device by both name and protocol id cpufreq: scmi: Match scmi device by both name and protocol id hwmon: (scmi-hwmon) Match scmi device by both name and protocol id reset: reset-scmi: Match scmi device by both name and protocol id
drivers/clk/clk-scmi.c | 2 +- drivers/cpufreq/scmi-cpufreq.c | 2 +- drivers/firmware/arm_scmi/bus.c | 53 +++++++++++-- drivers/firmware/arm_scmi/clock.c | 15 +++- drivers/firmware/arm_scmi/driver.c | 92 +++++++++++++++++++++- drivers/firmware/arm_scmi/perf.c | 15 +++- drivers/firmware/arm_scmi/power.c | 15 +++- drivers/firmware/arm_scmi/reset.c | 15 +++- drivers/firmware/arm_scmi/scmi_pm_domain.c | 2 +- drivers/firmware/arm_scmi/sensors.c | 15 +++- drivers/hwmon/scmi-hwmon.c | 2 +- drivers/reset/reset-scmi.c | 2 +- include/linux/scmi_protocol.h | 8 +- 13 files changed, 202 insertions(+), 36 deletions(-)
-- 2.17.1
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