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Date:   Tue, 2 Aug 2022 12:56:13 +0200
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Subject: Re: [PATCH 2/3] drivers: bus: simple-pm-bus: Use clocks
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To:     Liu Ying <victor.liu@nxp.com>, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc:     robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de,
        festevam@gmail.com, linux-imx@nxp.com, saravanak@google.com,
        gregkh@linuxfoundation.org, geert+renesas@glider.be
References: <20220802071310.2650864-1-victor.liu@nxp.com>
 <20220802071310.2650864-3-victor.liu@nxp.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20220802071310.2650864-3-victor.liu@nxp.com>
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Precedence: bulk

On 02/08/2022 09:13, Liu Ying wrote:
> Simple Power-Managed bus controller may need functional clock(s)
> to be enabled before child devices connected to the bus can be
> accessed.  Get the clock(s) as a bulk and enable/disable the
> clock(s) when the bus is being power managed.
> 
> One example is that Freescale i.MX8qxp pixel link MSI bus controller
> needs MSI clock and AHB clock to be enabled before accessing child
> devices.

No, because it is not simple bus anymore.


Best regards,
Krzysztof