Messages in this thread | | | Subject | Re: [PATCH v4 7/8] mmc: block: register RPMB partition with the RPMB subsystem | From | Adrian Hunter <> | Date | Thu, 23 Jun 2016 09:17:52 +0300 |
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On 02/06/16 00:41, Tomas Winkler wrote: > Register eMMC RPMB partition with the RPMB subsystem and provide > implementation for the RPMB access operations abstracting > actual multi step process. > > V2: resend > V3: commit message fix > V4: Kconfig: use select RPMB to ensure valid configuration > Switch back to main area after RPMB access > > Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> > Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> > ---
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> +static void mmc_blk_rpmb_add(struct mmc_card *card) > +{ > + struct mmc_blk_data *md = dev_get_drvdata(&card->dev); > + struct mmc_blk_data *part_md = mmc_blk_rpmb_part_get(md); > + struct rpmb_dev *rdev; > + > + if (!part_md) > + return; > + > + mmc_blk_rpmb_set_dev_id(&mmc_rpmb_dev_ops, card); > + > + /* RPMB blocks are written in half sectors hence '* 2' */ > + mmc_rpmb_dev_ops.reliable_wr_cnt = card->ext_csd.rel_sectors * 2;
This looks like it does not support 8KB writes added in v5.1 spec. Can that be supported?
> + > + rdev = rpmb_dev_register(disk_to_dev(part_md->disk), > + &mmc_rpmb_dev_ops); > + if (IS_ERR(rdev)) { > + pr_warn("%s: cannot register to rpmb %ld\n", > + part_md->disk->disk_name, PTR_ERR(rdev)); > + } > +}
<SNIP>
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