From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Subject: Re: [PATCH] mmc: core: export more sysfs for debugging purpose Date: Tue, 12 Aug 2014 17:49:59 +0900 Message-ID: <53E9D537.6080104@samsung.com> References: <1407828534-15846-1-git-send-email-yunpeng.gao@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout4.samsung.com ([203.254.224.34]:57341 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752869AbaHLIuC (ORCPT ); Tue, 12 Aug 2014 04:50:02 -0400 Received: from epcpsbgr3.samsung.com (u143.gpu120.samsung.co.kr [203.254.230.143]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NA600FAOR7CAP70@mailout4.samsung.com> for linux-mmc@vger.kernel.org; Tue, 12 Aug 2014 17:50:00 +0900 (KST) In-reply-to: <1407828534-15846-1-git-send-email-yunpeng.gao@intel.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Yunpeng Gao , linux-mmc@vger.kernel.org Cc: Chuanxiao Xiao 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 > Signed-off-by: Chuanxiao Xiao > --- > 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); >