Hi Leif Tein Hock has reviewed this patch. Please help to merge in edk2.
Regards Gaurav Jain > -----Original Message----- > From: Loh, Tien Hock <tien.hock....@intel.com> > Sent: Thursday, April 30, 2020 6:47 AM > To: Leif Lindholm <l...@nuviainc.com> > Cc: Pankaj Bansal <pankaj.ban...@nxp.com>; Ard Biesheuvel > <ard.biesheu...@arm.com>; Gaurav Jain <gaurav.j...@nxp.com>; > Meenakshi Aggarwal <meenakshi.aggar...@nxp.com>; > devel@edk2.groups.io; Haojian Zhuang <haojian.zhu...@linaro.org>; Varun > Sethi <v.se...@nxp.com> > Subject: [EXT] RE: [PATCH 1/1] EmbeddedPkg/MmcDxe: Added MaxBlock > Transfer Limit 65535 in R/W. > > Caution: EXT Email > > Hi Leif, > > Yes, that's a Reviewed-by. > > Thanks. > > > -----Original Message----- > > From: Leif Lindholm <l...@nuviainc.com> > > Sent: Wednesday, April 29, 2020 7:16 PM > > To: Loh, Tien Hock <tien.hock....@intel.com> > > Cc: Pankaj Bansal <pankaj.ban...@nxp.com>; Ard Biesheuvel > > <ard.biesheu...@arm.com>; Gaurav Jain <gaurav.j...@nxp.com>; > Meenakshi > > Aggarwal <meenakshi.aggar...@nxp.com>; devel@edk2.groups.io; > Haojian > > Zhuang <haojian.zhu...@linaro.org>; Varun Sethi <v.se...@nxp.com> > > Subject: Re: [PATCH 1/1] EmbeddedPkg/MmcDxe: Added MaxBlock > Transfer > > Limit 65535 in R/W. > > > > Hi Tien Hock, > > > > Can I take that as a Reviewed-by:? > > > > Regards, > > > > Leif > > > > On Wed, Apr 29, 2020 at 05:17:18 +0000, Loh, Tien Hock wrote: > > > Hi Ard, > > > > > > I have checked the patch and it looks good. > > > > > > However, I can no longer test the patch as the new DwMmc driver no > > > longer > > uses the protocol. > > > Sorry for the delay, I initially thought I can test it until I > > > investigated further > > today. > > > > > > Thanks > > > > > > > > > > -----Original Message----- > > > > From: Pankaj Bansal <pankaj.ban...@nxp.com> > > > > Sent: Monday, April 27, 2020 2:19 PM > > > > To: Ard Biesheuvel <ard.biesheu...@arm.com>; Leif Lindholm > > > > <l...@nuviainc.com>; Gaurav Jain <gaurav.j...@nxp.com>; Meenakshi > > > > Aggarwal <meenakshi.aggar...@nxp.com> > > > > Cc: devel@edk2.groups.io; Haojian Zhuang > > > > <haojian.zhu...@linaro.org>; Loh, Tien Hock > > > > <tien.hock....@intel.com>; Varun Sethi <v.se...@nxp.com> > > > > Subject: RE: [PATCH 1/1] EmbeddedPkg/MmcDxe: Added MaxBlock > > Transfer > > > > Limit 65535 in R/W. > > > > > > > > + Meenakshi > > > > > > > > > -----Original Message----- > > > > > From: Ard Biesheuvel <ard.biesheu...@arm.com> > > > > > Sent: Monday, April 6, 2020 7:42 PM > > > > > To: Leif Lindholm <l...@nuviainc.com>; Gaurav Jain > > > > > <gaurav.j...@nxp.com> > > > > > Cc: devel@edk2.groups.io; Pankaj Bansal <pankaj.ban...@nxp.com>; > > > > > Haojian Zhuang <haojian.zhu...@linaro.org>; Loh, Tien Hock > > > > > <tien.hock....@intel.com> > > > > > Subject: Re: [PATCH 1/1] EmbeddedPkg/MmcDxe: Added MaxBlock > > > > > Transfer Limit 65535 in R/W. > > > > > > > > > > On 4/6/20 4:08 PM, Leif Lindholm wrote: > > > > > > Hi Gaurav, > > > > > > > > > > > > Haojian, Tien Hock - can you help review/test this change? > > > > > > > > > > > > Best Regards, > > > > > > > > > > > > Leif > > > > > > > > > > > > On Fri, Apr 03, 2020 at 14:54:07 +0530, Gaurav Jain wrote: > > > > > >> Moved BlockCount calculation below BufferSize Validation checks. > > > > > >> First Ensure Buffersize is Not Zero and multiple of Media > > > > > >> BlockSize. > > > > > >> then calculate BlockCount and perform Block checks. > > > > > >> > > > > > >> Corrected BlockCount calculation, as BufferSize is multiple > > > > > >> of BlockSize, So adding (BlockSize-1) bytes to BufferSize and > > > > > >> then divide by BlockSize will have no impact on BlockCount. > > > > > >> > > > > > >> Reading Large Images from MMC causes errors. > > > > > >> As per SD Host Controller Spec version 4.20, Restriction of > > > > > >> 16-bit Block Count transfer is 65535. > > > > > >> Max block transfer limit in single cmd is 65535 blocks. > > > > > >> Added Max Block check that can be processed is 0xFFFF. > > > > > >> then Update BlockCount on the basis of MaxBlock. > > > > > >> > > > > > >> Signed-off-by: Gaurav Jain <gaurav.j...@nxp.com> > > > > > > > > > > > > > > > Hello Gaurav, > > > > > > > > > > Could you please elaborate on the underlying need for this change? > > > > > If you are considering using this driver for future NXP > > > > > platforms, I should point out that this legacy driver is only > > > > > kept around for existing users, and new users should use the > > > > > driver stack in MdeModulePkg, which is based on the UEFI spec. > > > > > > > > > > -- > > > > > Ard. > > > > > > > > > > > > > > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#60335): https://edk2.groups.io/g/devel/message/60335 Mute This Topic: https://groups.io/mt/74497516/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-