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

ldesroches · gregkh · commit 26aca22946dc · 2014-10-30T09:35:13.000-07:00
commit cfa1950 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
@@ -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);
 

Original file line number	Diff line number	Diff line change
`@@ -947,6 +947,7 @@ static int __init at91_clock_reset(void)`
`947`	`947`	`}`
`948`	`948`
`949`	`949`	`at91_pmc_write(AT91_PMC_SCDR, scdr);`
	`950`	`+ at91_pmc_write(AT91_PMC_PCDR, pcdr);`
`950`	`951`	`if (cpu_is_sama5d3())`
`951`	`952`	`at91_pmc_write(AT91_PMC_PCDR1, pcdr1);`
`952`	`953`