linux-kernel - RE: [PATCH 3/6] ACPICA: make use of new strtolower() function

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Date:	Fri, 1 Jul 2016 04:32:12 +0000
From:	"Moore, Robert" <robert.moore@...el.com>
To:	Markus Mayer <markus.mayer@...adcom.com>
CC:	"Zheng, Lv" <lv.zheng@...el.com>,
	"Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
	Len Brown <lenb@...nel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"devel@...ica.org" <devel@...ica.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Box, David E" <david.e.box@...el.com>
Subject: RE: [PATCH 3/6] ACPICA: make use of new strtolower() function



> -----Original Message-----
> From: Markus Mayer [mailto:markus.mayer@...adcom.com]
> Sent: Thursday, June 30, 2016 9:13 PM
> To: Moore, Robert
> Cc: Zheng, Lv; Wysocki, Rafael J; Len Brown; linux-acpi@...r.kernel.org;
> devel@...ica.org; linux-kernel@...r.kernel.org; Box, David E
> Subject: Re: [PATCH 3/6] ACPICA: make use of new strtolower() function
> 
> On 30 June 2016 at 19:59, Moore, Robert <robert.moore@...el.com> wrote:
> > This is linux-specific code, ACPICA is os-independent. So we cannot
> > accept such patch.
> 
> Understood. I wasn't aware that this was shared code.

Ok. Glad to take fixes and optimizations, however.
Bob



> 
> > From: Markus Mayer [mailto:markus.mayer@...adcom.com]
> > Sent: Thursday, June 30, 2016 7:50 PM
> > To: Moore, Robert
> > Cc: Zheng, Lv; Wysocki, Rafael J; Len Brown;
> > linux-acpi@...r.kernel.org; devel@...ica.org;
> > linux-kernel@...r.kernel.org; Box, David E
> > Subject: Re: [PATCH 3/6] ACPICA: make use of new strtolower() function
> >
> > On Thursday, 30 June 2016, Moore, Robert <robert.moore@...el.com> wrote:
> >
> > Where is "strtolower" implemented?
> >
> > First patch of the series:
> >
> > https://lkml.org/lkml/2016/6/30/733
> >
> >> -----Original Message-----
> >> From: Markus Mayer [mailto:mmayer@...adcom.com]
> >> Sent: Thursday, June 30, 2016 4:50 PM
> >> To: Moore, Robert; Zheng, Lv; Wysocki, Rafael J; Len Brown
> >> Cc: Markus Mayer; linux-acpi@...r.kernel.org; devel@...ica.org;
> >> linux- kernel@...r.kernel.org
> >> Subject: [PATCH 3/6] ACPICA: make use of new strtolower() function
> >>
> >> Call strtolower() rather than walking the string explicitly to
> >> convert it to lowercase.
> >>
> >> Signed-off-by: Markus Mayer <mmayer@...adcom.com>
> >> ---
> >>
> >> *** Please note that there don't seem to be any callers of
> >> acpi_ut_strlwr().
> >> *** It may be possible to remove the function altogether.
> >>
> >>  drivers/acpi/acpica/utnonansi.c | 13 +------------
> >>  1 file changed, 1 insertion(+), 12 deletions(-)
> >>
> >> diff --git a/drivers/acpi/acpica/utnonansi.c
> >> b/drivers/acpi/acpica/utnonansi.c index 3465fe2..b6e11dc 100644
> >> --- a/drivers/acpi/acpica/utnonansi.c
> >> +++ b/drivers/acpi/acpica/utnonansi.c
> >> @@ -64,19 +64,8 @@ ACPI_MODULE_NAME("utnonansi")
> >>
> >> *********************************************************************
> >> *****
> >> ****/
> >>  void acpi_ut_strlwr(char *src_string)  {
> >> -     char *string;
> >> -
> >>       ACPI_FUNCTION_ENTRY();
> >> -
> >> -     if (!src_string) {
> >> -             return;
> >> -     }
> >> -
> >> -     /* Walk entire string, lowercasing the letters */
> >> -
> >> -     for (string = src_string; *string; string++) {
> >> -             *string = (char)tolower((int)*string);
> >> -     }
> >> +     strtolower(src_string);
> >>  }
> >>
> >>
> >> /********************************************************************
> >> *****
> >> ******
> >> --
> >> 2.7.4