[09/17] ARM: davinci: dm646x: WARN() if clk_get() fails
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Message ID 20190111172134.30147-10-brgl@bgdev.pl
State New
Headers show
Series
  • ARM: davinci: modernize the timer support
Related show

Commit Message

Bartosz Golaszewski Jan. 11, 2019, 5:21 p.m. UTC
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

Currently the timer code checks if the clock pointer passed to it is
good (!IS_ERR(clk)). The new clocksource driver expects the clock to
be functional and doesn't perform any checks so emit a warning if
clk_get() fails.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 arch/arm/mach-davinci/dm646x.c | 1 +
 1 file changed, 1 insertion(+)

Patch
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diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 7dc54b2a610f..018315fa9aa9 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -665,6 +665,7 @@  void __init dm646x_init_time(unsigned long ref_clk_rate,
 	dm646x_psc_init(NULL, psc);
 
 	clk = clk_get(NULL, "timer0");
+	WARN(IS_ERR(clk), "Unable to get the timer clock\n");
 
 	davinci_timer_init(clk);
 }