linux-kernel - [GIT pull] timers/urgent for v5.16-rc5

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Date:   Sun, 12 Dec 2021 11:34:23 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org
Subject: [GIT pull] timers/urgent for v5.16-rc5

Linus,

please pull the latest timers/urgent branch from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-urgent-2021-12-12

up to:  aa073d8b2a63: Merge tag 'timers-v5.16-rc4' of https://git.linaro.org/people/daniel.lezcano/linux into timers/urgent


Two fixes for clock chip drivers:

    - A regression fix for the Designware APB timer. A recent change to the
      error checking code transformed the error condition wrongly so it
      turned into a fail if good condition.

    - Fix a clang build fail of the ARM architected timer driver.

Thanks,

	tglx

------------------>
Alexey Sheplyakov (1):
      clocksource/drivers/dw_apb_timer_of: Fix probe failure

Marc Zyngier (1):
      clocksource/drivers/arm_arch_timer: Force inlining of erratum_set_next_event_generic()


 drivers/clocksource/arm_arch_timer.c  | 9 +++++++--
 drivers/clocksource/dw_apb_timer_of.c | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 9a04eacc4412..1ecd52f903b8 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -394,8 +394,13 @@ EXPORT_SYMBOL_GPL(timer_unstable_counter_workaround);
 
 static atomic_t timer_unstable_counter_workaround_in_use = ATOMIC_INIT(0);
 
-static void erratum_set_next_event_generic(const int access, unsigned long evt,
-						struct clock_event_device *clk)
+/*
+ * Force the inlining of this function so that the register accesses
+ * can be themselves correctly inlined.
+ */
+static __always_inline
+void erratum_set_next_event_generic(const int access, unsigned long evt,
+				    struct clock_event_device *clk)
 {
 	unsigned long ctrl;
 	u64 cval;
diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index 3819ef5b7098..3245eb0c602d 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -47,7 +47,7 @@ static int __init timer_get_base_and_rate(struct device_node *np,
 			pr_warn("pclk for %pOFn is present, but could not be activated\n",
 				np);
 
-	if (!of_property_read_u32(np, "clock-freq", rate) &&
+	if (!of_property_read_u32(np, "clock-freq", rate) ||
 	    !of_property_read_u32(np, "clock-frequency", rate))
 		return 0;