linux-kernel - RE: [PATCH mfd v1] mfd: Add Renesas Synchronization Management Unit (SMU) support

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Message-ID: <OS3PR01MB6593170DE2814540F6C3F900BA259@OS3PR01MB6593.jpnprd01.prod.outlook.com>
Date:   Tue, 25 May 2021 15:20:51 +0000
From:   Min Li <min.li.xe@...esas.com>
To:     Lee Jones <lee.jones@...aro.org>
CC:     "sameo@...ux.intel.com" <sameo@...ux.intel.com>,
        "grant.likely@...aro.org" <grant.likely@...aro.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: RE: [PATCH mfd v1] mfd: Add Renesas Synchronization Management Unit
 (SMU) support

> 
> > +/* Current mfd device index */
> > +static atomic_t rsmu_ndevs = ATOMIC_INIT(0);
> 
> Counting/indexing this way is generally not good/required.
> 

Hi Lee

Since there could be more than one devices attached to the system, I am using this counter to track the index of each device.
How would you suggest to do it? Thanks

Min