[PATCH 3.13 044/105] ARM: at91/PMC: don't forget to write PMC_PCDR register to disable clocks

Kamal Mostafa kamal at canonical.com
Mon Oct 27 18:56:19 UTC 2014


3.13.11.10 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ludovic Desroches <ludovic.desroches at atmel.com>

commit cfa1950e6c6b72251e80adc736af3c3d2907ab0e upstream.

When introducing support for sama5d3, the write to PMC_PCDR register has
been accidentally removed.

Reported-by: Nathalie Cyrille <nathalie.cyrille at atmel.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches at atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre at atmel.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 arch/arm/mach-at91/clock.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index 6b2630a..0778e54 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -963,6 +963,7 @@ static int __init at91_clock_reset(void)
 	}
 
 	at91_pmc_write(AT91_PMC_SCDR, scdr);
+	at91_pmc_write(AT91_PMC_PCDR, pcdr);
 	if (cpu_is_sama5d3())
 		at91_pmc_write(AT91_PMC_PCDR1, pcdr1);
 
-- 
1.9.1





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