On Tue, Apr 16, 2019 at 10:27:47AM -0700, Ajay Gupta wrote: > From: Ajay Gupta <ajayg@xxxxxxxxxx> > > CCGx has two copies of the firmware in addition to the bootloader. > If the device is running FW1, FW2 can be updated with the new version. > Dual firmware mode allows the CCG device to stay in a PD contract and > support USB PD and Type-C functionality while a firmware update is in > progress. > > First we read the currently flashed firmware version of both > primary and secondary firmware and then compare it with > version of firmware file to determine if flashing is required. > > Command framework is added to support sending commands to CCGx > controller. We wait for response after sending the command and then > read the response from RAB_RESPONSE register. > > Below commands are supported, > - ENTER_FLASHING > - RESET > - PDPORT_ENABLE > - JUMP_TO_BOOT > - FLASH_ROW_RW > - VALIDATE_FW > > Command specific mutex lock is also added to sync between driver > and user threads. > > PD port number information is added which is required while sending > PD_PORT_ENABLE command > > Signed-off-by: Ajay Gupta <ajayg@xxxxxxxxxx> > Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > --- > Changes from v7->v8 > - Fixed comments from Greg by dropping do_flash_show() You still have a new sysfs file without a new Documentation/ABI/ update for it, so I will have to reject this patch again :( I thought I said that in the last review... thanks, greg k-h
