On Thu, Oct 20, 2016 at 07:34:37AM +0000, Winkler, Tomas wrote:
> > On Tue, Oct 18, 2016 at 08:49:45PM -0400, Nayna Jain wrote:
> > > This patch removes the unnecessary error messages on failing to
> > > allocate memory and replaces pr_err/printk with dev_dbg/dev_info as
> > > applicable.
> > >
> > > Suggested-by: Jason Gunthorpe <jguntho...@obsidianresearch.com>
> > > Signed-off-by: Nayna Jain <na...@linux.vnet.ibm.com>
> >
> > Reviewed-by: Jarkko Sakkinen <jarkko.sakki...@linux.intel.com>
> >
> > /Jarkko
> >
> > > ---
> > > drivers/char/tpm/tpm_acpi.c | 17 +++++------------
> > > drivers/char/tpm/tpm_of.c | 30 ++++++++++--------------------
> > > 2 files changed, 15 insertions(+), 32 deletions(-)
> > >
> > > diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c
> > > index 859bdba..22e42da 100644
> > > --- a/drivers/char/tpm/tpm_acpi.c
> > > +++ b/drivers/char/tpm/tpm_acpi.c
> > > @@ -60,11 +60,8 @@ int read_log_acpi(struct tpm_chip *chip)
> > > status = acpi_get_table(ACPI_SIG_TCPA, 1,
> > > (struct acpi_table_header **)&buff);
> > >
> > > - if (ACPI_FAILURE(status)) {
> > > - printk(KERN_ERR "%s: ERROR - Could not get TCPA table\n",
> > > - __func__);
> > > + if (ACPI_FAILURE(status))
> > > return -EIO;
> > > - }
> > >
> > > switch(buff->platform_class) {
> > > case BIOS_SERVER:
> > > @@ -78,25 +75,21 @@ int read_log_acpi(struct tpm_chip *chip)
> > > break;
> > > }
> > > if (!len) {
> > > - printk(KERN_ERR "%s: ERROR - TCPA log area empty\n",
> > __func__);
> > > + dev_dbg(&chip->dev, "%s: ERROR - TCPA log area empty\n",
> > > + __func__);
>
>
> Why to keep __func__ here, dev_dbg already does it for you.
Good catch. I would actually consider also changing this to
dev_err(dev, FW_BUG "TCPA log area empty\n");
If TCPA exists but it's empty, that's most likely a FW bug.
/Jarkko
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