On Tue, 31 Jan 2023, Xu Yilun wrote: > From: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> > > Add support for PMCI-based flash access path and N6000 sec update > support. Access to flash staging area is different for N6000 from that > of the SPI interfaced counterparts. > > Introduce intel_m10bmc_flash_bulk_ops to allow interface specific > differentiations for the flash access path for sec update and make > m10bmc_sec_read/write() in sec update driver to use the new operations. > The .flash_mutex serializes read/read. Flash update (erase+write) must > use ->lock/unlock_write() to prevent reads during update (reads would > timeout on setting flash MUX as BMC will prevent it). > > Create a type specific RSU status reg handler for N6000 because the > field has moved from doorbell to auth result register. > > If a failure is detected while altering the flash MUX, it seems safer > to try to set it back and doesn't seem harmful. Likely there are enough > troubles in that case anyway so setting it back fails too (which is > harmless sans the small extra delay) or just confirms that the value > wasn't changed. > > Co-developed-by: Tianfei zhang <tianfei.zhang@xxxxxxxxx> > Signed-off-by: Tianfei zhang <tianfei.zhang@xxxxxxxxx> > Co-developed-by: Russ Weight <russell.h.weight@xxxxxxxxx> > Signed-off-by: Russ Weight <russell.h.weight@xxxxxxxxx> > Acked-by: Xu Yilun <yilun.xu@xxxxxxxxx> > Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> > Signed-off-by: Lee Jones <lee@xxxxxxxxxx> > Link: https://lore.kernel.org/r/20230116100845.6153-12-ilpo.jarvinen@xxxxxxxxxxxxxxx > --- > drivers/fpga/intel-m10-bmc-sec-update.c | 51 ++++- > drivers/mfd/intel-m10-bmc-pmci.c | 242 +++++++++++++++++++++++- > include/linux/mfd/intel-m10-bmc.h | 51 +++++ > 3 files changed, 336 insertions(+), 8 deletions(-) I'm confused, what are you trying to achieve? Who are you sending this to? -- Lee Jones [李琼斯]
