[5.9,085/152] bus: ti-sysc: suppress err msg for timers used as clockevent/source
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Message ID 20201201084723.007191985@linuxfoundation.org
State New, archived
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Series
  • Untitled series #474541
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Commit Message

Greg Kroah-Hartman Dec. 1, 2020, 8:53 a.m. UTC
From: Grygorii Strashko <grygorii.strashko@ti.com>

[ Upstream commit 65fb73676112f6fd107c5e542b2cbcfb206fe881 ]

GP Timers used as clockevent/source are not available for ti-sysc bus and
handled by Kernel timekeeping core. Now ti-sysc produces error message
every time such timer is detected:

 "ti-sysc: probe of 48040000.target-module failed with error -16"

Such messages are not necessary, so suppress them by returning -ENXIO
instead of -EBUSY.

Fixes: 6cfcd5563b4f ("clocksource/drivers/timer-ti-dm: Fix suspend and resume for am3 and am4")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/bus/ti-sysc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 16132e6e91f8d..92ecf1a78ec73 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -2889,7 +2889,7 @@  static int sysc_check_active_timer(struct sysc *ddata)
 
 	if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) &&
 	    (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE))
-		return -EBUSY;
+		return -ENXIO;
 
 	return 0;
 }