linux-kernel - Re: [PATCH 6/8 V2] staging: dgap: remove unneeded dgap

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Message-ID: <CAHb8M2BxN0hwJErX5F7E0KeoiPFBvnkGT7eQSXxHktRQCHv0Dw@mail.gmail.com>
Date:	Wed, 16 Jul 2014 18:26:17 +0900
From:	DaeSeok Youn <daeseok.youn@...il.com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	Lidza Louina <lidza.louina@...il.com>,
	devel <devel@...verdev.osuosl.org>,
	driverdev-devel@...uxdriverproject.org,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/8 V2] staging: dgap: remove unneeded dgap_err()

2014-07-16 8:50 GMT+09:00 Greg KH <gregkh@...uxfoundation.org>:
> On Wed, Jul 16, 2014 at 08:21:30AM +0900, DaeSeok Youn wrote:
>> Hi,
>>
>> 2014-07-16 0:29 GMT+09:00 Greg KH <gregkh@...uxfoundation.org>:
>> > On Tue, Jul 15, 2014 at 06:11:44PM +0900, Daeseok Youn wrote:
>> >> The dgap_err() is printing a message with pr_err(),
>> >> so all those are replaced.
>> >>
>> >> Use definition "pr_fmt" and then all of "dgap:" in
>> >> the beginning of print messages are removed.
>> >>
>> >> And also removed "out of memory" message because
>> >> the kernel has own message for that.
>> >>
>> >> Signed-off-by: Daeseok Youn <daeseok.youn@...il.com>
>> >> ---
>> >> V2: use pr_fmt "dgap:" prefix on print message on dgap.
>> >>     remove "out of memory" message.
>> >>
>> >>     Adds Mark to TO list and CC list for checking send
>> >>     this email properly to him.
>> >>
>> >>  drivers/staging/dgap/dgap.c |  306 +++++++++++++++++++------------------------
>> >>  1 files changed, 133 insertions(+), 173 deletions(-)
>> >>
>> >> diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
>> >> index 06c55cb..9e750fb 100644
>> >> --- a/drivers/staging/dgap/dgap.c
>> >> +++ b/drivers/staging/dgap/dgap.c
>> >> @@ -41,6 +41,8 @@
>> >>   */
>> >>  #undef DIGI_CONCENTRATORS_SUPPORTED
>> >>
>> >> +#define pr_fmt(fmt) "dgap: " fmt
>> >> +
>> >>  #include <linux/kernel.h>
>> >>  #include <linux/module.h>
>> >>  #include <linux/pci.h>
>> >> @@ -153,7 +155,6 @@ static void dgap_firmware_reset_port(struct channel_t *ch);
>> >>  static int dgap_gettok(char **in);
>> >>  static char *dgap_getword(char **in);
>> >>  static int dgap_checknode(struct cnode *p);
>> >> -static void dgap_err(char *s);
>> >>
>> >>  /*
>> >>   * Function prototypes from dgap_sysfs.h
>> >> @@ -815,7 +816,7 @@ static struct board_t *dgap_found_board(struct pci_dev *pdev, int id,
>> >>       if (ret)
>> >>               goto free_brd;
>> >>
>> >> -     pr_info("dgap: board %d: %s (rev %d), irq %ld\n",
>> >> +     pr_info("board %d: %s (rev %d), irq %ld\n",
>> >>               boardnum, brd->name, brd->rev, brd->irq);
>> >
>> > Almost all of the pr_*() calls in this driver should be converted over
>> > to use dev_*() calls instead.  And some of them, like this one, should
>> > be removed entirely (no need for a driver to be "noisy" when a device
>> > for it is found, it should be quiet if at all possible, unless something
>> > went wrong.)
>> >
>> > So can you do that here instead?  I've applied the earlier patches in
>> > this series, and stopped here.
>> OK. I can. pr_*() calls are replaced with dev_*() calls.
>> And also removes some of print message which are useless like "out
>> of memory"
>
> Yes, please do that, that would be great.
I have been working to change pr_*() to dev_*(), but dgap_parse() has no
"struct device" for using dev_*(). If dgap_parse still need for this driver,
it need to take a parameter for using dev_*(), it may be "pdev" but
configuration
file doesn't need to parse in kernel at all, dgap_parse() will be removed.

So I will wait to verify by Mark about parsing configuration file.

Thanks.

regards,
Daeseok Youn.

>
> thanks,
>
> greg k-h
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