linux-kernel - [PATCH 3.10 42/43] ARM: at91/PMC: dont forget to write PMC

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Date:	Tue, 28 Oct 2014 11:36:40 +0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Nathalie Cyrille <nathalie.cyrille@...el.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH 3.10 42/43] ARM: at91/PMC: dont forget to write PMC_PCDR register to disable clocks

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

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

From: Ludovic Desroches <ludovic.desroches@...el.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@...el.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@...el.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/mach-at91/clock.c |    1 +
 1 file changed, 1 insertion(+)

--- 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);
 


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