From: Ludovic Desroches <ludovic.desroches@atmel.com>
Date: Mon, 22 Sep 2014 13:51:33 +0000 (+0200)
Subject: ARM: at91/PMC: don't forget to write PMC_PCDR register to disable clocks
X-Git-Tag: firefly_0821_release~3679^2~1330
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=26aca22946dc127ee5f72d031aa6dfe7f1328b44;p=firefly-linux-kernel-4.4.55.git

ARM: at91/PMC: don't forget to write PMC_PCDR register to disable clocks

commit cfa1950e6c6b72251e80adc736af3c3d2907ab0e upstream.

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

Reported-by: Nathalie Cyrille <nathalie.cyrille@atmel.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index da841885d01c..64f9f1045539 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -947,6 +947,7 @@ 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);