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From: Cristian Marussi <cristian.marussi@arm.com>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, lukasz.luba@arm.com,
	james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com,
	f.fainelli@gmail.com, etienne.carriere@linaro.org,
	thara.gopinath@linaro.org, vincent.guittot@linaro.org,
	souvik.chakravarty@arm.com
Subject: Re: [PATCH v6 02/37] firmware: arm_scmi: introduce protocol handle definitions
Date: Mon, 8 Mar 2021 11:37:04 +0000	[thread overview]
Message-ID: <20210308113704.GD30179@e120937-lin> (raw)
In-Reply-To: <20210308055030.ljgyybawujmaf2gg@bogus>

On Mon, Mar 08, 2021 at 05:50:30AM +0000, Sudeep Holla wrote:
> On Tue, Feb 02, 2021 at 10:15:20PM +0000, Cristian Marussi wrote:
> > Add basic protocol handles definitions and private data helpers support.
> > 
> > A protocol handle identifies a protocol instance initialized against a
> > specific handle; it embeds all the references to the core SCMI xfer methods
> > that will be needed by a protocol implementation to build and send its own
> > protocol specific messages using common core methods.
> > 
> > As such, in the interface, a protocol handle will be passed down from the
> > core to the protocol specific initialization callback at init time.
> > 
> > Anyway at this point only definitions are introduced, all protocols
> > initialization code and SCMI drivers probing is still based on the old
> > interface, so no functional change.
> > 
> > Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
> > ---
> >  drivers/firmware/arm_scmi/common.h | 59 ++++++++++++++++++++++++++++++
> >  drivers/firmware/arm_scmi/driver.c | 45 +++++++++++++++++++++++
> >  2 files changed, 104 insertions(+)
> > 
> 
> [...]
> 
> > diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
> > index ed94efbecd61..2328a468bbd1 100644
> > --- a/drivers/firmware/arm_scmi/driver.c
> > +++ b/drivers/firmware/arm_scmi/driver.c
> 
> [...]
> 
> >  /**
> >   * scmi_get_protocol_instance  - Protocol initialization helper.
> >   * @handle: A reference to the SCMI platform instance.
> > @@ -588,6 +629,10 @@ scmi_get_protocol_instance(struct scmi_handle *handle, u8 protocol_id)
> >  
> >  		pi->gid = gid;
> >  		pi->proto = proto;
> > +		pi->handle = handle;
> > +		pi->ph.dev = handle->dev;
> > +		pi->ph.set_priv = scmi_set_protocol_priv;
> > +		pi->ph.get_priv = scmi_get_protocol_priv;
> 
> 
> Sorry missed this in earlier patch. Not a must, but I prefer if you can move
> all these initialisation into separate functions so that scmi_get_protocol_instance
> can be simplified to read.
> 
> if (pi)
> 	increment refcount
> else
> 	scmi_get_protocol
> 	alloc and init protocol instance
> 	register events
> 
> How about some thing like above ?
> 

Sure I'll do.

> --
> Regards,
> Sudeep

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  reply	other threads:[~2021-03-08 11:38 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-02 22:15 [PATCH v6 0/37] SCMI vendor protocols and modularization Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 01/37] firmware: arm_scmi: review protocol registration interface Cristian Marussi
2021-03-08  4:38   ` Sudeep Holla
2021-03-08 11:24     ` Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 02/37] firmware: arm_scmi: introduce protocol handle definitions Cristian Marussi
2021-03-08  5:50   ` Sudeep Holla
2021-03-08 11:37     ` Cristian Marussi [this message]
2021-02-02 22:15 ` [PATCH v6 03/37] firmware: arm_scmi: introduce devres get/put protocols operations Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 04/37] firmware: arm_scmi: add devm_acquire_protocol helper Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 05/37] firmware: arm_scmi: make notifications aware of protocols users Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 06/37] firmware: arm_scmi: introduce new devres notification ops Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 07/37] firmware: arm_scmi: refactor events registration Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 08/37] firmware: arm_scmi: convert events registration to protocol handles Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 09/37] firmware: arm_scmi: add new protocol handle core xfer ops Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 10/37] firmware: arm_scmi: add helper to access revision area memory Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 11/37] firmware: arm_scmi: port Base protocol to new interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 12/37] firmware: arm_scmi: port Perf protocol to new protocols interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 13/37] cpufreq: scmi: port driver to the new scmi_perf_proto_ops interface Cristian Marussi
2021-02-03  3:03   ` Viresh Kumar
2021-02-03 12:10     ` Cristian Marussi
2021-02-04 11:43       ` Sudeep Holla
2021-02-04  2:14   ` Viresh Kumar
2021-02-02 22:15 ` [PATCH v6 14/37] firmware: arm_scmi: remove legacy scmi_perf_ops protocol interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 15/37] firmware: arm_scmi: port Power protocol to new protocols interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 16/37] firmware: arm_scmi: port GenPD driver to the new scmi_power_proto_ops interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 17/37] firmware: arm_scmi: remove legacy scmi_power_ops protocol interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 18/37] firmware: arm_scmi: port Clock protocol to new protocols interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 19/37] clk: scmi: port driver to the new scmi_clk_proto_ops interface Cristian Marussi
2021-03-10 14:19   ` Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 20/37] firmware: arm_scmi: remove legacy scmi_clk_ops protocol interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 21/37] firmware: arm_scmi: port Reset protocol to new protocols interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 22/37] reset: reset-scmi: port driver to the new scmi_reset_proto_ops interface Cristian Marussi
2021-03-03 14:46   ` Philipp Zabel
2021-02-02 22:15 ` [PATCH v6 23/37] firmware: arm_scmi: remove legacy scmi_reset_ops protocol interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 24/37] firmware: arm_scmi: port Sensor protocol to new protocols interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 25/37] hwmon: (scmi) port driver to the new scmi_sensor_proto_ops interface Cristian Marussi
2021-02-03  1:30   ` Guenter Roeck
2021-02-02 22:15 ` [PATCH v6 26/37] firmware: arm_scmi: remove legacy scmi_sensor_ops protocol interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 27/37] firmware: arm_scmi: port SystemPower protocol to new protocols interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 28/37] firmware: arm_scmi: port Voltage " Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 29/37] regulator: scmi: port driver to the new scmi_voltage_proto_ops interface Cristian Marussi
2021-02-03 13:24   ` Mark Brown
2021-02-03 14:39     ` Cristian Marussi
2021-02-03 16:18   ` Mark Brown
2021-02-02 22:15 ` [PATCH v6 30/37] firmware: arm_scmi: remove legacy scmi_voltage_ops protocol interface Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 31/37] firmware: arm_scmi: make references to handle const Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 32/37] firmware: arm_scmi: cleanup legacy protocol init code Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 33/37] firmware: arm_scmi: cleanup unused core xfer wrappers Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 34/37] firmware: arm_scmi: cleanup events registration transient code Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 35/37] firmware: arm_scmi: make notify_priv really private Cristian Marussi
2021-03-08  6:12   ` Sudeep Holla
2021-03-08 11:39     ` Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 36/37] firmware: arm_scmi: add protocol modularization support Cristian Marussi
2021-03-08  7:34   ` Sudeep Holla
2021-03-09  8:04     ` Cristian Marussi
2021-02-02 22:15 ` [PATCH v6 37/37] firmware: arm_scmi: add dynamic scmi devices creation Cristian Marussi
2021-03-15  8:33   ` Sudeep Holla
2021-03-15  9:03     ` Cristian Marussi

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