HI Jaehoon, I have not tried mmc-utils yet. Actually, our validation team developed their own test cases of eMMC features and requested us to export these sysfs interfaces. Thanks. Regards, Yunpeng -----Original Message----- From: Jaehoon Chung [mailto:jh80.chung@xxxxxxxxxxx] Sent: Tuesday, August 12, 2014 4:50 PM To: Gao, Yunpeng; linux-mmc@xxxxxxxxxxxxxxx Cc: Dong, Chuanxiao Subject: Re: [PATCH] mmc: core: export more sysfs for debugging purpose Hi, On 08/12/2014 04:28 PM, Yunpeng Gao wrote: > Add some more sysfs export related to eMMC BK Ops, HPI and Hardware > Reset features. It'll be helpful for debugging. Did you use "mmc-utils"? Best Regards, Jaehoon Chung > > Signed-off-by: Yunpeng Gao <yunpeng.gao@xxxxxxxxx> > Signed-off-by: Chuanxiao Xiao <chuanxiao.dong@xxxxxxxxx> > --- > drivers/mmc/core/mmc.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index > 793c6f7..15b7ab0 100644 > --- a/drivers/mmc/core/mmc.c > +++ b/drivers/mmc/core/mmc.c > @@ -710,6 +710,12 @@ MMC_DEV_ATTR(enhanced_area_offset, "%llu\n", > MMC_DEV_ATTR(enhanced_area_size, "%u\n", > card->ext_csd.enhanced_area_size); > MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", > card->ext_csd.raw_rpmb_size_mult); > MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors); > +MMC_DEV_ATTR(hpi_support, "%d\n", card->ext_csd.hpi); > +MMC_DEV_ATTR(hpi_enable, "%d\n", card->ext_csd.hpi_en); > +MMC_DEV_ATTR(hpi_command, "%d\n", card->ext_csd.hpi_cmd); > +MMC_DEV_ATTR(hw_reset_support, "%d\n", card->ext_csd.rst_n_function); > +MMC_DEV_ATTR(bkops_support, "%d\n", card->ext_csd.bkops); > +MMC_DEV_ATTR(bkops_enable, "%d\n", card->ext_csd.bkops_en); > > static struct attribute *mmc_std_attrs[] = { > &dev_attr_cid.attr, > @@ -728,6 +734,12 @@ static struct attribute *mmc_std_attrs[] = { > &dev_attr_enhanced_area_size.attr, > &dev_attr_raw_rpmb_size_mult.attr, > &dev_attr_rel_sectors.attr, > + &dev_attr_hpi_support.attr, > + &dev_attr_hpi_enable.attr, > + &dev_attr_hpi_command.attr, > + &dev_attr_hw_reset_support.attr, > + &dev_attr_bkops_support.attr, > + &dev_attr_bkops_enable.attr, > NULL, > }; > ATTRIBUTE_GROUPS(mmc_std); > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
