From mboxrd@z Thu Jan 1 00:00:00 1970 From: mathieu.poirier@linaro.org (Mathieu Poirier) Date: Wed, 14 Jun 2017 11:50:42 -0600 Subject: [PATCH 06/12] coresight tmc: Expose DBA and AXICTL In-Reply-To: <1497278211-5001-7-git-send-email-suzuki.poulose@arm.com> References: <1497278211-5001-1-git-send-email-suzuki.poulose@arm.com> <1497278211-5001-7-git-send-email-suzuki.poulose@arm.com> Message-ID: <20170614175042.GB22030@xps15> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Jun 12, 2017 at 03:36:45PM +0100, Suzuki K Poulose wrote: > Expose DBALO,DBAHI and AXICTL registers Why is this needed? I fear we are exposing internal kernel information. > > Cc: Mathieu Poirier > Signed-off-by: Suzuki K Poulose > --- > drivers/hwtracing/coresight/coresight-tmc.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c > index 7025982..fd5a2e0 100644 > --- a/drivers/hwtracing/coresight/coresight-tmc.c > +++ b/drivers/hwtracing/coresight/coresight-tmc.c > @@ -228,9 +228,11 @@ coresight_tmc_simple_func(ffcr, TMC_FFCR); > coresight_tmc_simple_func(mode, TMC_MODE); > coresight_tmc_simple_func(pscr, TMC_PSCR); > coresight_tmc_simple_func(devid, CORESIGHT_DEVID); > +coresight_tmc_simple_func(axictl, TMC_AXICTL); > > coresight_simple_reg64(struct tmc_drvdata, rrp, TMC_RRP, TMC_RRPHI); > coresight_simple_reg64(struct tmc_drvdata, rwp, TMC_RWP, TMC_RWPHI); > +coresight_simple_reg64(struct tmc_drvdata, dba, TMC_DBALO, TMC_DBAHI); > > static struct attribute *coresight_tmc_mgmt_attrs[] = { > &dev_attr_rsz.attr, > @@ -244,6 +246,8 @@ static struct attribute *coresight_tmc_mgmt_attrs[] = { > &dev_attr_mode.attr, > &dev_attr_pscr.attr, > &dev_attr_devid.attr, > + &dev_attr_dba.attr, > + &dev_attr_axictl.attr, > NULL, > }; > > -- > 2.7.4 >