On Wed, Feb 28, 2018 at 11:40 AM, Sebastian Panceac <[email protected]> wrote: > When powering Intel Edison module with 3.3V, the "reboot" command makes > the module stuck. > If the module is powered at a greater voltage, like 4.4V (as the Edison > Mini Breakout board does), reboot works OK. > > This patch copies the behaviour from the official Intel Edison BSP, > where "IPCMSG_COLD_RESET" message was sent to SCU by default at > reboot time. > > In the official BSP, sending the "IPCMSG_COLD_BOOT" message instead of > "IPCMSG_COLD_RESET" was possible, by using a kernel command > line parameter. >
Acked-by: Andy Shevchenko <[email protected]> > Signed-off-by: Sebastian Panceac <[email protected]> > --- > > Hi, > > I submitted again the patch, after taking into consideration Andy's > suggestions. > > Regards! > > arch/x86/platform/intel-mid/intel-mid.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/platform/intel-mid/intel-mid.c > b/arch/x86/platform/intel-mid/intel-mid.c > index 2c67bae..fb1df94 100644 > --- a/arch/x86/platform/intel-mid/intel-mid.c > +++ b/arch/x86/platform/intel-mid/intel-mid.c > @@ -79,7 +79,7 @@ static void intel_mid_power_off(void) > > static void intel_mid_reboot(void) > { > - intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0); > + intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 0); > } > > static unsigned long __init intel_mid_calibrate_tsc(void) > -- > 2.7.4 -- With Best Regards, Andy Shevchenko
