linux-kernel - Re: [PATCH i2c-next v2] i2c: aspeed: Add an explicit type casting for *get_clk_reg

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Date:   Wed, 1 Aug 2018 11:14:35 -0700
From:   Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>
To:     Brendan Higgins <brendanhiggins@...gle.com>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>, linux-i2c@...r.kernel.org,
        OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-aspeed@...ts.ozlabs.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        jarkko.nikula@...ux.intel.com, james.feist@...ux.intel.com,
        vernon.mauery@...ux.intel.com
Subject: Re: [PATCH i2c-next v2] i2c: aspeed: Add an explicit type casting for
 *get_clk_reg_val

On 7/31/2018 11:56 PM, Brendan Higgins wrote:
> On Tue, Jul 24, 2018 at 1:39 PM Jae Hyun Yoo
> <jae.hyun.yoo@...ux.intel.com> wrote:
>>
>> This commit fixes this sparse warning:
>> drivers/i2c/busses/i2c-aspeed.c:875:38: warning: incorrect type in assignment (different modifiers)
>> drivers/i2c/busses/i2c-aspeed.c:875:38:    expected unsigned int ( *get_clk_reg_val )( ... )
>> drivers/i2c/busses/i2c-aspeed.c:875:38:    got void const *const data
>>
>> Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>
>> ---
>> Changes since v1:
>> - Fixed title and added Reported-by tag.
>>
>>   drivers/i2c/busses/i2c-aspeed.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c
>> index efb89422d496..a4f956c6d567 100644
>> --- a/drivers/i2c/busses/i2c-aspeed.c
>> +++ b/drivers/i2c/busses/i2c-aspeed.c
>> @@ -872,7 +872,7 @@ static int aspeed_i2c_probe_bus(struct platform_device *pdev)
>>          if (!match)
>>                  bus->get_clk_reg_val = aspeed_i2c_24xx_get_clk_reg_val;
>>          else
>> -               bus->get_clk_reg_val = match->data;
>> +               bus->get_clk_reg_val = (u32 (*)(u32))match->data;
>>
>>          /* Initialize the I2C adapter */
>>          spin_lock_init(&bus->lock);
>> --
>> 2.18.0
>>
> 
> Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>
> 

Thanks a lot Brendan for your review!

Hi Wolfram,

I forgot adding 'Reported-by: Wolfram Sang <wsa@...-dreams.de>'. Please
add this tag when you apply this patch, or let me know if I need to
submit v3 for adding the tag.

Thanks,

Jae