linux-kernel - [PATCH 4/5] [SCSI] Do not use platform

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Date:	Fri, 25 Jul 2014 15:23:52 +0100
From:	Pawel Moll <pawel.moll@....com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Olof Johansson <olof@...om.net>,
	Stephen Warren <swarren@...dotorg.org>,
	Catalin Marinas <Catalin.Marinas@....com>, paul@...an.com,
	Arnd Bergmann <arnd@...db.de>,
	Peter De Schrijver <pdeschrijver@...dia.com>, arm@...nel.org,
	linux-tegra@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, Pawel Moll <pawel.moll@....com>,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	linux-scsi@...r.kernel.org
Subject: [PATCH 4/5] [SCSI] Do not use platform_bus as a parent

The host devices without a parent were "forcefully adopted"
by platform bus. This patch removes this assignment. In
effect the dev_dev may be NULL now, which means ISA.

Cc: James E.J. Bottomley <JBottomley@...allels.com>
Cc: linux-scsi@...r.kernel.org
Signed-off-by: Pawel Moll <pawel.moll@....com>
---

This patch is a part of effort to remove references to platform_bus
and make it static.

James, could you please have a look and advice if the change is
correct? Would you happen to know the "real reasons" behind
using the root platform_bus device a parent?

 drivers/scsi/hosts.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 3cbb57a..0c7389f 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -218,7 +218,7 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
 		goto fail;
 
 	if (!shost->shost_gendev.parent)
-		shost->shost_gendev.parent = dev ? dev : &platform_bus;
+		shost->shost_gendev.parent = dev;
 	if (!dma_dev)
 		dma_dev = shost->shost_gendev.parent;
 
-- 
1.9.1

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