From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: Borislav Petkov <bp@amd64.org>
Cc: "rwhitton@iee.org" <rwhitton@iee.org>,
Clemens Ladisch <clemens@ladisch.de>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH] edac: Remove debugging output in scrub rate handling
Date: Wed, 20 Apr 2011 20:28:45 +0200 [thread overview]
Message-ID: <20110420182845.GA1614@x4.trippels.de> (raw)
In-Reply-To: <20110420173627.GE2734@aftab>
On 2011.04.20 at 19:36 +0200, Borislav Petkov wrote:
> On Wed, Apr 20, 2011 at 12:55:33PM -0400, Markus Trippelsdorf wrote:
> > > > This is KERN_DEBUG since .38 (commit 24f9a7fe3f19f3fd310f556364d01a22911724b3)
> > > > and it shouldn't appear on the console if you don't change your default log level.
> > >
> > > Yes. Sorry, but I was referring to dmesg and not the console.
> > > What I mean is that maybe debugf1 or debugf2 is more appropriate than
> > > amd64_debug?
> >
> > In other words:
>
> Ok, that whole debugging output there is partly historical remains and
> we don't really need them if we're smart about it. But you'll have to
> change your patch and make a proper commit message :).
This patch removes superfluous debugging output in the sysfs scrub rate
handler. It also consolidates the error handling in
mci_sdram_scrub_rate_store.
Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
---
drivers/edac/amd64_edac.c | 2 --
drivers/edac/edac_mc_sysfs.c | 11 +++++------
2 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 31e71c4f..4b4071e 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -211,8 +211,6 @@ static int amd64_get_scrub_rate(struct mem_ctl_info *mci)
scrubval = scrubval & 0x001F;
- amd64_debug("pci-read, sdram scrub control value: %d\n", scrubval);
-
for (i = 0; i < ARRAY_SIZE(scrubrates); i++) {
if (scrubrates[i].scrubval == scrubval) {
retval = scrubrates[i].bandwidth;
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 26343fd..6ffe438 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -458,13 +458,13 @@ static ssize_t mci_sdram_scrub_rate_store(struct mem_ctl_info *mci,
return -EINVAL;
new_bw = mci->set_sdram_scrub_rate(mci, bandwidth);
- if (new_bw >= 0) {
- edac_printk(KERN_DEBUG, EDAC_MC, "Scrub rate set to %d\n", new_bw);
- return count;
+ if (new_bw < 0) {
+ edac_printk(KERN_WARNING, EDAC_MC,
+ "Error setting scrub rate to: %lu\n", bandwidth);
+ return -EINVAL;
}
- edac_printk(KERN_DEBUG, EDAC_MC, "Error setting scrub rate to: %lu\n", bandwidth);
- return -EINVAL;
+ return count;
}
/*
@@ -483,7 +483,6 @@ static ssize_t mci_sdram_scrub_rate_show(struct mem_ctl_info *mci, char *data)
return bandwidth;
}
- edac_printk(KERN_DEBUG, EDAC_MC, "Read scrub rate: %d\n", bandwidth);
return sprintf(data, "%d\n", bandwidth);
}
--
Markus
next prev parent reply other threads:[~2011-04-20 18:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-20 14:40 Background memory scrubbing Robert Whitton
2011-04-20 15:19 ` Clemens Ladisch
2011-04-20 15:35 ` Borislav Petkov
2011-04-20 15:46 ` Markus Trippelsdorf
2011-04-20 15:58 ` Borislav Petkov
2011-04-20 16:45 ` Markus Trippelsdorf
2011-04-20 16:55 ` Markus Trippelsdorf
2011-04-20 17:36 ` Borislav Petkov
2011-04-20 18:28 ` Markus Trippelsdorf [this message]
2011-04-21 11:55 ` [PATCH] edac: Remove debugging output in scrub rate handling Borislav Petkov
2011-04-20 19:23 ` Background memory scrubbing Bill Gatliff
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