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Subject: Re: [PATCH v11 06/24] coresight: add try_get_module() in
 coresight_grab_device()
To:     tingwei@codeaurora.org, mathieu.poirier@linaro.org,
        alexander.shishkin@linux.intel.com, mike.leach@linaro.org
Cc:     gregkh@linuxfoundation.org, leo.yan@linaro.org,
        rdunlap@infradead.org, linux@armlinux.org.uk, kim.phillips@arm.com,
        ykaukab@suse.de, tsoni@codeaurora.org,
        saiprakash.ranjan@codeaurora.org, jinlmao@codeaurora.org,
        coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org
References: <20200915104116.16789-1-tingwei@codeaurora.org>
 <20200915104116.16789-7-tingwei@codeaurora.org>
From:   Suzuki K Poulose <suzuki.poulose@arm.com>
Message-ID: <12e78abe-f5e0-0016-8984-f16aed77c755@arm.com>
Date:   Tue, 15 Sep 2020 12:08:08 +0100
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On 09/15/2020 11:40 AM, Tingwei Zhang wrote:
> When coresight device is in an active session, driver module of
> that device should not be removed. Use try_get_module() in
> coresight_grab_device() to prevent module to be unloaded.
> Use get_device()/put_device() to protect device data
> in the middle of active session.
> 
> Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>
> Tested-by: Mike Leach <mike.leach@linaro.org>
> Suggested-by: Suzuki K Poulose <suzuki.poulose@arm.com>

Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>