linux-kernel - Re: [PATCH] clk: bcm: rpi: Fix error handling of raspberrypi_fw_get

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Message-ID: <0765e37c-be81-33dc-b4a0-8a5786417eb6@i2se.com>
Date:   Fri, 5 Aug 2022 10:32:51 +0200
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     bcm-kernel-feedback-list@...adcom.com,
        Maxime Ripard <maxime@...no.tech>, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: bcm: rpi: Fix error handling of
 raspberrypi_fw_get_rate

Am 27.06.22 um 18:24 schrieb Florian Fainelli:
> On 6/25/22 01:36, Stefan Wahren wrote:
>> The function raspberrypi_fw_get_rate (e.g. used for the recalc_rate
>> hook) can fail to get the clock rate from the firmware. In this case
>> we cannot return a signed error value, which would be casted to
>> unsigned long. Fix this by returning 0 instead.
>>
>> Signed-off-by: Stefan Wahren <stefan.wahren@...e.com>
>
> Fixes: 4e85e535e6cc ("clk: bcm283x: add driver interfacing with 
> Raspberry Pi's firmware")
>
> Acked-by: Florian Fainelli <f.fainelli@...il.com>

gentle ping