[PATCH] Staging: ccree: Don't use volatile for monitor_lock
Srishti Sharma
srishtishar at gmail.com
Mon Sep 11 16:08:04 UTC 2017
On Mon, Sep 11, 2017 at 9:34 PM, Greg KH <gregkh at linuxfoundation.org> wrote:
> On Mon, Sep 11, 2017 at 09:29:31PM +0530, Srishti Sharma wrote:
>> The use of volatile for the variable monitor_lock is unnecessary.
>>
>> Signed-off-by: Srishti Sharma <srishtishar at gmail.com>
>> ---
>> drivers/staging/ccree/ssi_request_mgr.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c
>> index e5c2f92..7d77941 100644
>> --- a/drivers/staging/ccree/ssi_request_mgr.c
>> +++ b/drivers/staging/ccree/ssi_request_mgr.c
>> @@ -49,7 +49,7 @@ struct ssi_request_mgr_handle {
>> dma_addr_t dummy_comp_buff_dma;
>> struct cc_hw_desc monitor_desc;
>>
>> - volatile unsigned long monitor_lock;
>> + unsigned long monitor_lock;
>
> While volatile is not right, odds are, this is still totally wrong as
> well. How about using a "real" lock instead?
I tried to find where is this variable being used in the code, but I
didn't find any usage of it . It might be an important attribute of
this structure definition but, I don't see it's value being set to
anything or being used somewhere .
Regards,
Srishti
>
> thanks,
>
> greg k-h
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