Re: [v5 1/4] mpt3sas: Separate out mpt3sas_wait_for_ioc_to_operational

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On Wed, Oct 17, 2018 at 11:17 AM Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
>
> On Wed, Oct 17, 2018 at 8:59 AM Suganath Prabu
> <suganath-prabu.subramani@xxxxxxxxxxxx> wrote:
> >
> > No functional changes. This section of code
> >  "wait for IOC to be operational" is used in many places
> >  across the driver, and hence moved this code in to
> >  a function "mpt3sas_wait_for_ioc_to_operational()"
>
> > +       ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
> > +       while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
> > +
>
> Do we need this blank line?
>
> > +               if (wait_state_count++ == timeout) {
> > +                       ioc_err(ioc, "%s: failed due to ioc not operational\n",
> > +                               __func__);
> > +                       return -EFAULT;
> > +               }
> > +               ssleep(1);
> > +               ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
> > +               ioc_info(ioc, "%s: waiting for operational state(count=%d)\n",
> > +                        __func__, wait_state_count);
> > +       }
>
> I understand this is part of existing code, but can you consider to
> modify it to something like
>
> do {
>     ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
>     if (ioc_state == MPI2_IOC_STATE_OPERATIONAL)
>       break;

Forgot ssleep(1); here.

>     ioc_info(ioc, "%s: waiting for operational state(count=%d)\n",
> __func__, ++wait_state_count);
> while (timeout--);
> if (!timeout) {
>     ioc_err(ioc, "%s: failed due to ioc not operational\n", __func__);
>     return -EFAULT;
> }
> Less lines, more understandable in my view.

-- 
With Best Regards,
Andy Shevchenko



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