linux-kernel - Re: [PATCH v2 2/2] regulator: hi655x: Bump parent pmic module use count

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Date:   Mon, 3 Apr 2017 18:19:12 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Jeremy Linton <lintonrjeremy@...il.com>
Cc:     linux-kernel@...r.kernel.org, lgirdwood@...il.com,
        puck.chen@...ilicon.com, lee.jones@...aro.org
Subject: Re: [PATCH v2 2/2] regulator: hi655x: Bump parent pmic module use
 count

On Mon, Apr 03, 2017 at 12:28:43AM -0500, Jeremy Linton wrote:
> The hi655x-regulator driver depends on the parent pmic/mfc
> device driver but doesn't increase its use count. This results
> in system crashes if the parent module is unloaded while the
> regulators are still in use. Add explicit module get/put
> calls to keep the parent from being unloaded.

Once again, it is a complete hack to do this at the individual driver
level.  Please don't ignore review feedback.

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