linux-kernel - [PATCH 16/17] Change RapidIO doorbell source and target ID field to 16-bit.

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Message-Id: <1205226478-7641-16-git-send-email-wei.zhang@freescale.com>
Date:	Tue, 11 Mar 2008 17:07:57 +0800
From:	Zhang Wei <wei.zhang@...escale.com>
To:	mporter@...nel.crashing.org, akpm@...ux-foundation.org,
	galak@...nel.crashing.org
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	Zhang Wei <wei.zhang@...escale.com>
Subject: [PATCH 16/17] Change RapidIO doorbell source and target ID field to 16-bit.

Change RapidIO doorbell source and target ID field to 16-bit for
support large system size, which max rio devid is 65535.

Signed-off-by: Zhang Wei <wei.zhang@...escale.com>
---
 arch/powerpc/sysdev/fsl_rio.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 656f754..f67f7df 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -75,13 +75,13 @@
 #define DOORBELL_DSR_TE		0x00000080
 #define DOORBELL_DSR_QFI	0x00000010
 #define DOORBELL_DSR_DIQI	0x00000001
-#define DOORBELL_TID_OFFSET	0x03
-#define DOORBELL_SID_OFFSET	0x05
+#define DOORBELL_TID_OFFSET	0x02
+#define DOORBELL_SID_OFFSET	0x04
 #define DOORBELL_INFO_OFFSET	0x06
 
 #define DOORBELL_MESSAGE_SIZE	0x08
-#define DBELL_SID(x)		(*(u8 *)(x + DOORBELL_SID_OFFSET))
-#define DBELL_TID(x)		(*(u8 *)(x + DOORBELL_TID_OFFSET))
+#define DBELL_SID(x)		(*(u16 *)(x + DOORBELL_SID_OFFSET))
+#define DBELL_TID(x)		(*(u16 *)(x + DOORBELL_TID_OFFSET))
 #define DBELL_INF(x)		(*(u16 *)(x + DOORBELL_INFO_OFFSET))
 
 struct rio_atmu_regs {
-- 
1.5.4

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