linux-kernel - Re: [PATCH v3] i2c: add support for microchip fpga i2c controllers

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Date:   Sat, 21 May 2022 13:28:48 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Conor.Dooley@...rochip.com
Cc:     linux-i2c@...r.kernel.org, ben.dooks@...ethink.co.uk,
        Daire.McNamara@...rochip.com, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v3] i2c: add support for microchip fpga i2c controllers


> > > +	ret = devm_request_irq(&pdev->dev, irq, mchp_corei2c_isr, IRQF_SHARED,
> > > +			       pdev->name, idev);
> > 
> > Really SHARED?
> 
> Yeah, this driver supports both the hard peripherals & soft FPGA cores.
> The hard peripherals do not have shared IRQs, but we don't really have
> any control over what way the interrupts are wired for the soft cores.
> Worth adding a comment to explain the reason for it being shared?

Yes. Such information never hurst, I'd say.

Thanks, have a nice weekend,

   Wolfram


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