linux-kernel - Re: [PATCH v3 1/1] mfd: Add I2C based System Configuaration (SYSCON) access

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Date:   Thu, 18 Jun 2020 12:10:04 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Arnd Bergmann <arnd@...db.de>, michael@...le.cc,
        Rob Herring <robh+dt@...nel.org>,
        gregkh <gregkh@...uxfoundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        DTML <devicetree@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/1] mfd: Add I2C based System Configuaration (SYSCON)
 access

On Thu, Jun 18, 2020 at 11:07:04AM +0100, Lee Jones wrote:

> Does Regmap let you register/initialise an I2C address more than once?

> When I attempt it, I get:

> [    0.522988] i2c i2c-0: Failed to register i2c client tmp105 at 0x32 (-16)

That's not regmap, that's the I2C core.

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