| Message ID | 20191009194814.15034-1-alexandre.belloni@bootlin.com (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | 0fc21fdf4e1023d0e5f8d42a42cdd372177699e2 |
| Headers | show |
| Series | ARM: configs: at91: unselect PIT | expand |
On 09/10/2019 at 21:48, Alexandre Belloni wrote: > The PIT is not required anymore to successfully boot and may actually harm > in case preempt-rt is used because the PIT interrupt is shared. > Disable it so the TCB clocksource is used. > > Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> > --- > arch/arm/configs/at91_dt_defconfig | 1 + > arch/arm/configs/sama5_defconfig | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_dt_defconfig > index 63d09e61b6dc..7e5ffdab47da 100644 > --- a/arch/arm/configs/at91_dt_defconfig > +++ b/arch/arm/configs/at91_dt_defconfig > @@ -18,6 +18,7 @@ CONFIG_ARCH_MULTI_V5=y > CONFIG_ARCH_AT91=y > CONFIG_SOC_AT91RM9200=y > CONFIG_SOC_AT91SAM9=y > +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set > CONFIG_AEABI=y > CONFIG_UACCESS_WITH_MEMCPY=y > CONFIG_ZBOOT_ROM_TEXT=0x0 > diff --git a/arch/arm/configs/sama5_defconfig b/arch/arm/configs/sama5_defconfig > index 7255709d46ea..ee7db6cedaa6 100644 > --- a/arch/arm/configs/sama5_defconfig > +++ b/arch/arm/configs/sama5_defconfig > @@ -20,6 +20,7 @@ CONFIG_ARCH_AT91=y > CONFIG_SOC_SAMA5D2=y > CONFIG_SOC_SAMA5D3=y > CONFIG_SOC_SAMA5D4=y > +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set > CONFIG_AEABI=y > CONFIG_UACCESS_WITH_MEMCPY=y > CONFIG_ZBOOT_ROM_TEXT=0x0 >
Am Mittwoch, 9. Oktober 2019, 21:48:14 CEST schrieb Alexandre Belloni: > The PIT is not required anymore to successfully boot and may actually harm > in case preempt-rt is used because the PIT interrupt is shared. > Disable it so the TCB clocksource is used. > > Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Alexander Dahl <ada@thorsis.com> > --- > arch/arm/configs/at91_dt_defconfig | 1 + > arch/arm/configs/sama5_defconfig | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/arch/arm/configs/at91_dt_defconfig > b/arch/arm/configs/at91_dt_defconfig index 63d09e61b6dc..7e5ffdab47da > 100644 > --- a/arch/arm/configs/at91_dt_defconfig > +++ b/arch/arm/configs/at91_dt_defconfig > @@ -18,6 +18,7 @@ CONFIG_ARCH_MULTI_V5=y > CONFIG_ARCH_AT91=y > CONFIG_SOC_AT91RM9200=y > CONFIG_SOC_AT91SAM9=y > +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set > CONFIG_AEABI=y > CONFIG_UACCESS_WITH_MEMCPY=y > CONFIG_ZBOOT_ROM_TEXT=0x0 > diff --git a/arch/arm/configs/sama5_defconfig > b/arch/arm/configs/sama5_defconfig index 7255709d46ea..ee7db6cedaa6 100644 > --- a/arch/arm/configs/sama5_defconfig > +++ b/arch/arm/configs/sama5_defconfig > @@ -20,6 +20,7 @@ CONFIG_ARCH_AT91=y > CONFIG_SOC_SAMA5D2=y > CONFIG_SOC_SAMA5D3=y > CONFIG_SOC_SAMA5D4=y > +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set > CONFIG_AEABI=y > CONFIG_UACCESS_WITH_MEMCPY=y > CONFIG_ZBOOT_ROM_TEXT=0x0
diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_dt_defconfig index 63d09e61b6dc..7e5ffdab47da 100644 --- a/arch/arm/configs/at91_dt_defconfig +++ b/arch/arm/configs/at91_dt_defconfig @@ -18,6 +18,7 @@ CONFIG_ARCH_MULTI_V5=y CONFIG_ARCH_AT91=y CONFIG_SOC_AT91RM9200=y CONFIG_SOC_AT91SAM9=y +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set CONFIG_AEABI=y CONFIG_UACCESS_WITH_MEMCPY=y CONFIG_ZBOOT_ROM_TEXT=0x0 diff --git a/arch/arm/configs/sama5_defconfig b/arch/arm/configs/sama5_defconfig index 7255709d46ea..ee7db6cedaa6 100644 --- a/arch/arm/configs/sama5_defconfig +++ b/arch/arm/configs/sama5_defconfig @@ -20,6 +20,7 @@ CONFIG_ARCH_AT91=y CONFIG_SOC_SAMA5D2=y CONFIG_SOC_SAMA5D3=y CONFIG_SOC_SAMA5D4=y +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set CONFIG_AEABI=y CONFIG_UACCESS_WITH_MEMCPY=y CONFIG_ZBOOT_ROM_TEXT=0x0
The PIT is not required anymore to successfully boot and may actually harm in case preempt-rt is used because the PIT interrupt is shared. Disable it so the TCB clocksource is used. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> --- arch/arm/configs/at91_dt_defconfig | 1 + arch/arm/configs/sama5_defconfig | 1 + 2 files changed, 2 insertions(+)