Re: [PATCH v2 2/2] staging: gdm724x: gdm_tty: replaced macro with a function

From: Randy Dunlap
Date: Wed Sep 02 2020 - 13:14:41 EST


On 9/2/20 10:07 AM, antoni.przybylik@xxxxx wrote:
> On 02.09.2020 18:21, Randy Dunlap wrote:
>> On 9/2/20 9:16 AM, Antoni Przybylik wrote:
>>> Changed return type to bool and removed inline specifier. Also added
>>>   static specifier.
>> why remove the inline specifier?
>
> Greg KH wrote to me:
>
> And really, no need to make it inline, just make it a normal function
> and the compiler will inline it if needed.
>
>> thanks.

OK, thanks.
Sometimes the compiler will also ignore inline if it wants to.
That's why we have to use __always_inline.

>>
>>> Signed-off-by: Antoni Przybylik <antoni.przybylik@xxxxx>
>>> ---
>>>   drivers/staging/gdm724x/gdm_tty.c | 2 +-
>>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/staging/gdm724x/gdm_tty.c b/drivers/staging/gdm724x/gdm_tty.c
>>> index 34a13d98c029..179fc9b9400b 100644
>>> --- a/drivers/staging/gdm724x/gdm_tty.c
>>> +++ b/drivers/staging/gdm724x/gdm_tty.c
>>> @@ -34,7 +34,7 @@ static DEFINE_MUTEX(gdm_table_lock);
>>>   static const char *DRIVER_STRING[TTY_MAX_COUNT] = {"GCTATC", "GCTDM"};
>>>   static char *DEVICE_STRING[TTY_MAX_COUNT] = {"GCT-ATC", "GCT-DM"};
>>>   -inline int gdm_tty_ready(struct gdm *gdm)
>>> +static bool gdm_tty_ready(struct gdm *gdm)
>>>   {
>>>       return (gdm && gdm->tty_dev && gdm->port.count);
>>>   }
>>>
>>
> Antoni Przybylik


--
~Randy
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>