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Date:   Thu, 30 Aug 2018 11:05:43 +0200
From:   Linus Walleij <>
Cc:     "open list:GPIO SUBSYSTEM" <>,
        Gregory Fong <>,
        Brian Norris <>,
        Florian Fainelli <>,
        bcm-kernel-feedback-list <>,
        Linux ARM <>,
        "" <>
Subject: Re: [PATCH v2] gpio: brcmstb: allow 0 width GPIO banks

On Sat, Aug 18, 2018 at 1:47 AM <> wrote:

> From: Justin Chen <>
> Sometimes we have empty banks within the GPIO block. This commit allows
> proper handling of 0 width GPIO banks. We handle 0 width GPIO banks by
> incrementing the bank and number of GPIOs, but not initializing them.
> This will mean a call into the non-existent GPIOs will return an error.
> Also remove "GPIO registered" dev print. This information is misleading
> since the incremented banks and gpio_base do not reflect the actual GPIOs
> that get initialized. We leave this information out since it is already
> printed with dev_dbg.
> Signed-off-by: Justin Chen <>

Patch applied with Florian's ACK.

Linus Walleij

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