> -----Original Message----- > From: Borislav Petkov [mailto:bp@xxxxxxxxx] > Sent: Saturday, October 03, 2015 1:37 AM > To: Kweh, Hock Leong > Cc: Matt Fleming; Greg Kroah-Hartman; Ong, Boon Leong; LKML; linux- > efi@xxxxxxxxxxxxxxx; Sam Protsenko; Peter Jones; Andy Lutomirski; Roy > Franz; James Bottomley; Linux FS Devel; Fleming, Matt > Subject: Re: [PATCH v6 0/2] Enable capsule loader interface for efi firmware > updating > > On Fri, Oct 02, 2015 at 05:05:52AM +0800, Kweh, Hock Leong wrote: > > From: "Kweh, Hock Leong" <hock.leong.kweh@xxxxxxxxx> > > > > Dear maintainers & communities, > > > > This patchset is created on top of Matt's patchset: > > 1.)https://lkml.org/lkml/2014/10/7/390 > > "[PATCH 1/2] efi: Move efi_status_to_err() to efi.h" > > 2.)https://lkml.org/lkml/2014/10/7/391 > > "[PATCH 2/2] efi: Capsule update support" > > > > It expose a misc char interface for user to upload the capsule binary > > and calling efi_capsule_update() API to pass the binary to EFI firmware. > > > > The steps to update efi firmware are: > > 1.) cat firmware.cap > /dev/efi_capsule_loader > > 2.) reboot > > > > Any failed upload error message will be returned while doing "cat" > > through > > Write() function call. > > > > Tested the code with Intel Quark Galileo platform. > > What does the error case look like? A standard glibc message about > write(2) failing? > Any upload fail error like -ENOMEM, -EINVAL, -EIO as well as error returned by efi_capsule_update() API. Thanks. ��.n��������+%������w��{.n�����{����*jg��������ݢj����G�������j:+v���w�m������w�������h�����٥