Re: [PATCH 1/2] staging: vme_user: Replace printk() with pr_*(),dev_*()

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On Wed, Oct 18, 2023 at 12:38:56PM -0700, Soumya Negi wrote:
> Hi Greg,
> 
> On Wed, Oct 18, 2023 at 03:26:07PM +0200, Greg Kroah-Hartman wrote:
> > On Tue, Oct 17, 2023 at 09:36:32PM -0700, Soumya Negi wrote:
> > > vme.c uses printk() to log messages. To improve and standardize message
> > > formatting, use logging mechanisms pr_err()/pr_warn() and
> > > dev_err()/dev_warn() instead. Retain the printk log levels of the
> > > messages during replacement.
> > > 
> > > Issue found by checkpatch.pl
> > > 
> > > Signed-off-by: Soumya Negi <soumya.negi97@xxxxxxxxx>
> > > ---
> > >  drivers/staging/vme_user/vme.c | 175 ++++++++++++++++++---------------
> > >  1 file changed, 94 insertions(+), 81 deletions(-)
> > > 
> > > diff --git a/drivers/staging/vme_user/vme.c b/drivers/staging/vme_user/vme.c
> > > index 6519a7c994a0..e8c2c1e77b7d 100644
> > > --- a/drivers/staging/vme_user/vme.c
> > > +++ b/drivers/staging/vme_user/vme.c
> > > @@ -9,6 +9,8 @@
> > >   * Copyright 2004 Motorola Inc.
> > >   */
> > >  
> > > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> > 
> > No, this is a driver, as others have pointed out, always use dev_*()
> > calls instead.
> 
> Some of the pr_ fns can be dev_, but I don't think all can.
> e.g. device NULL-check error messages

I would argue that those are pointless and can be removed and also the
check is probably not needed either.

> Also, there are portions of the driver where we have no access to
> any 'struct device' to feed into dev_.

Then you can fix that :)

thanks,

greg k-h




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