Message ID | 22ea89c98e0e790526a98bd8fcd47f13c9f4ea38.1612857121.git.michal.simek@xilinx.com |
---|---|
State | Accepted |
Commit | 3aba25bc382beeb8a92b46d23fd1db47dfcb1121 |
Delegated to: | Michal Simek |
Headers | show |
Series | arm64: zynqmp: Do not clear reset reason | expand |
Ășt 9. 2. 2021 v 8:52 odesĂlatel Michal Simek <michal.simek@xilinx.com> napsal: > > There is no need to clear reset reason register because it is protected by > PMUFW already which is reported when verbose log is enabled as: > pm_core.c@733 APU> No write permission to 0xFF5E0220 > > Signed-off-by: Michal Simek <michal.simek@xilinx.com> > --- > > board/xilinx/zynqmp/zynqmp.c | 6 +----- > 1 file changed, 1 insertion(+), 5 deletions(-) > > diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c > index a216eeb35f15..6babc0ebce3e 100644 > --- a/board/xilinx/zynqmp/zynqmp.c > +++ b/board/xilinx/zynqmp/zynqmp.c > @@ -496,11 +496,7 @@ static int reset_reason(void) > > env_set("reset_reason", reason); > > - ret = zynqmp_mmio_write((ulong)&crlapb_base->reset_reason, ~0, ~0); > - if (ret) > - return -EINVAL; > - > - return ret; > + return 0; > } > > static int set_fdtfile(void) > -- > 2.30.0 > Applied. M
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c index a216eeb35f15..6babc0ebce3e 100644 --- a/board/xilinx/zynqmp/zynqmp.c +++ b/board/xilinx/zynqmp/zynqmp.c @@ -496,11 +496,7 @@ static int reset_reason(void) env_set("reset_reason", reason); - ret = zynqmp_mmio_write((ulong)&crlapb_base->reset_reason, ~0, ~0); - if (ret) - return -EINVAL; - - return ret; + return 0; } static int set_fdtfile(void)
There is no need to clear reset reason register because it is protected by PMUFW already which is reported when verbose log is enabled as: pm_core.c@733 APU> No write permission to 0xFF5E0220 Signed-off-by: Michal Simek <michal.simek@xilinx.com> --- board/xilinx/zynqmp/zynqmp.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)