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Commit 39438567 authored by Thomas Petazzoni's avatar Thomas Petazzoni Committed by Jason Cooper
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ARM: mvebu: conditionalize Armada 375 coherency workaround 



The Armada 375 coherency workaround only needs to be applied to the Z1
revision of the SoC. The A0 and later revisions have been fixed, and
no longer need this workaround.

Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1399302326-6917-6-git-send-email-thomas.petazzoni@free-electrons.com


Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent a58d5af7

arch/arm/mach-mvebu/coherency.c

+8 −2
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#include <asm/cacheflush.h>

#include "armada-370-xp.h"

#include "coherency.h"

#include "mvebu-soc-id.h"



unsigned long coherency_phys_base;

void __iomem *coherency_base;
@@ -365,8 +366,13 @@ static int __init coherency_late_init(void) 
	if (type == COHERENCY_FABRIC_TYPE_NONE)

		return 0;



	if (type == COHERENCY_FABRIC_TYPE_ARMADA_375)

	if (type == COHERENCY_FABRIC_TYPE_ARMADA_375) {

		u32 dev, rev;



		if (mvebu_get_soc_id(&dev, &rev) == 0 &&

		    rev == ARMADA_375_Z1_REV)

			armada_375_coherency_init_wa();

	}



	bus_register_notifier(&platform_bus_type,

			      &mvebu_hwcc_platform_nb);