On Mon, Jan 25, 2021 at 02:56:23PM -0600, richard.gong@xxxxxxxxxxxxxxx wrote: > From: Richard Gong <richard.gong@xxxxxxxxx> > > Add COMMAND_AUTHENTICATE_BITSTREAM command flag for new added bitstream > authentication feature. Authenticating a bitstream is to make sure a signed > bitstream has the valid signatures. > > Except for the actual configuration of the device, the bitstream > authentication works the same way as FPGA configuration does. If the > authentication passes, the signed bitstream will be programmed into QSPI > flash memory and will be expected to boot without issues. > > Clean up COMMAND_RECONFIG_FLAG_PARTIAL flag by resetting it to 0, which > aligns with the firmware settings. > > Signed-off-by: Richard Gong <richard.gong@xxxxxxxxx> > --- > v3: no change > v2: new added > --- > include/linux/firmware/intel/stratix10-svc-client.h | 11 ++++++++--- > 1 file changed, 8 insertions(+), 3 deletions(-) > > diff --git a/include/linux/firmware/intel/stratix10-svc-client.h b/include/linux/firmware/intel/stratix10-svc-client.h > index ebc2956..7ada1f2 100644 > --- a/include/linux/firmware/intel/stratix10-svc-client.h > +++ b/include/linux/firmware/intel/stratix10-svc-client.h > @@ -51,12 +51,17 @@ > #define SVC_STATUS_NO_SUPPORT 6 > > /* > - * Flag bit for COMMAND_RECONFIG > + * Flag for COMMAND_RECONFIG, in bit number > * > * COMMAND_RECONFIG_FLAG_PARTIAL: > - * Set to FPGA configuration type (full or partial). > + * Set for partial FPGA configuration. > + * > + * COMMAND_AUTHENTICATE_BITSTREAM: > + * Set for bitstream authentication, which makes sure a signed bitstream > + * has valid signatures before committing it to QSPI flash memory. > */ > -#define COMMAND_RECONFIG_FLAG_PARTIAL 1 > +#define COMMAND_RECONFIG_FLAG_PARTIAL 0 So is this a bugfix, changing this value to the correct one? If so, shouldn't this be a stand-alone patch and get backported to stable kernel releases? If not, then no one uses this flag today? thanks, greg k-h