diff options
Diffstat (limited to 'patches/0007-ARM-configs-at91-unselect-PIT.patch')
| -rw-r--r-- | patches/0007-ARM-configs-at91-unselect-PIT.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/patches/0007-ARM-configs-at91-unselect-PIT.patch b/patches/0007-ARM-configs-at91-unselect-PIT.patch new file mode 100644 index 000000000000..f5694ce09cb6 --- /dev/null +++ b/patches/0007-ARM-configs-at91-unselect-PIT.patch @@ -0,0 +1,35 @@ +From: Alexandre Belloni <alexandre.belloni@bootlin.com> +Date: Thu, 13 Sep 2018 13:30:24 +0200 +Subject: [PATCH 7/7] ARM: configs: at91: unselect PIT + +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> +Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +--- + arch/arm/configs/at91_dt_defconfig | 1 + + arch/arm/configs/sama5_defconfig | 1 + + 2 files changed, 2 insertions(+) + +--- a/arch/arm/configs/at91_dt_defconfig ++++ b/arch/arm/configs/at91_dt_defconfig +@@ -19,6 +19,7 @@ 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 +--- 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 |