Hi Simon, -----"Simon Glass" <s...@chromium.org> schrieb: ----- > Betreff: [PATCH v2 34/44] x86: apl: Fix save/restore of ITSS priorities > > The FSP-S changes the ITSS priorities. The code that tries to save it > before running FSP-S and restore it afterwards does not work as U-Boot > relocates in between the save and restore. This means that the driver > data saved before relocation is lost and the new driver just sees zeroes. > > Fix this by allocating space in the relocated memory for the ITSS data. > Save it there and access it from the driver after relocation. > > This fixes interrupt handling on coral. > > Also drop the log_msg_ret() in irq_first_device_type() since this function > can be called speculatively in places where we are not sure if there is > an interrupt controller of that type. The resulting log errors are > confusing when there is no error. > > Signed-off-by: Simon Glass <s...@chromium.org> > --- > > Changes in v2: > - Add mention of why log_msg_ret() is dropped > > arch/x86/cpu/apollolake/fsp_s.c | 11 +++++------ > arch/x86/cpu/cpu.c | 13 +++++++++++++ > arch/x86/cpu/intel_common/itss.c | 25 +++++++++++++++++++++++-- > arch/x86/include/asm/global_data.h | 1 + > arch/x86/include/asm/itss.h | 2 +- > drivers/misc/irq-uclass.c | 2 +- > 6 files changed, 44 insertions(+), 10 deletions(-)
Reviewed-by: Wolfgang Wallner <wolfgang.wall...@br-automation.com>