Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index ec6f28e..f488176 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -69,7 +69,11 @@
static bool arch_timer_c3stop;
static bool arch_timer_mem_use_virtual;
static bool arch_counter_suspend_stop;
-static enum vdso_arch_clockmode vdso_default = VDSO_CLOCKMODE_ARCHTIMER;
+#ifdef CONFIG_GENERIC_GETTIMEOFDAY
+static enum vdso_clock_mode vdso_default = VDSO_CLOCKMODE_ARCHTIMER;
+#else
+static enum vdso_clock_mode vdso_default = VDSO_CLOCKMODE_NONE;
+#endif /* CONFIG_GENERIC_GETTIMEOFDAY */
static cpumask_t evtstrm_available = CPU_MASK_NONE;
static bool evtstrm_enable = IS_ENABLED(CONFIG_ARM_ARCH_TIMER_EVTSTREAM);
@@ -568,11 +572,11 @@
* change both the default value and the vdso itself.
*/
if (wa->read_cntvct_el0) {
- clocksource_counter.archdata.clock_mode = VDSO_CLOCKMODE_NONE;
+ clocksource_counter.vdso_clock_mode = VDSO_CLOCKMODE_NONE;
vdso_default = VDSO_CLOCKMODE_NONE;
} else if (wa->disable_compat_vdso && vdso_default != VDSO_CLOCKMODE_NONE) {
vdso_default = VDSO_CLOCKMODE_ARCHTIMER_NOCOMPAT;
- clocksource_counter.archdata.clock_mode = vdso_default;
+ clocksource_counter.vdso_clock_mode = vdso_default;
}
}
@@ -905,6 +909,17 @@
return 0;
}
+static int validate_timer_rate(void)
+{
+ if (!arch_timer_rate)
+ return -EINVAL;
+
+ /* Arch timer frequency < 1MHz can cause trouble */
+ WARN_ON(arch_timer_rate < 1000000);
+
+ return 0;
+}
+
/*
* For historical reasons, when probing with DT we use whichever (non-zero)
* rate was probed first, and don't verify that others match. If the first node
@@ -920,7 +935,7 @@
arch_timer_rate = rate;
/* Check the timer frequency. */
- if (arch_timer_rate == 0)
+ if (validate_timer_rate())
pr_warn("frequency not available\n");
}
@@ -999,7 +1014,7 @@
}
arch_timer_read_counter = rd;
- clocksource_counter.archdata.clock_mode = vdso_default;
+ clocksource_counter.vdso_clock_mode = vdso_default;
} else {
arch_timer_read_counter = arch_counter_get_cntvct_mem;
}
@@ -1593,10 +1608,8 @@
arch_timers_present |= ARCH_TIMER_TYPE_CP15;
ret = acpi_gtdt_init(table, &platform_timer_count);
- if (ret) {
- pr_err("Failed to init GTDT table.\n");
+ if (ret)
return ret;
- }
arch_timer_ppi[ARCH_TIMER_PHYS_NONSECURE_PPI] =
acpi_gtdt_map_ppi(ARCH_TIMER_PHYS_NONSECURE_PPI);
@@ -1614,9 +1627,10 @@
* CNTFRQ value. This *must* be correct.
*/
arch_timer_rate = arch_timer_get_cntfrq();
- if (!arch_timer_rate) {
+ ret = validate_timer_rate();
+ if (ret) {
pr_err(FW_BUG "frequency not available.\n");
- return -EINVAL;
+ return ret;
}
arch_timer_uses_ppi = arch_timer_select_ppi();