From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ch1outboundpool.messaging.microsoft.com (ch1ehsobe005.messaging.microsoft.com [216.32.181.185]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Microsoft Secure Server Authority" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 70B02B6F71 for ; Mon, 8 Aug 2011 20:12:54 +1000 (EST) From: Liu Gang To: Subject: [PATCH] fsl-rio: Correct IECSR register clear value Date: Mon, 8 Aug 2011 18:13:39 +0800 Message-ID: <1312798419-3912-1-git-send-email-b34182@freescale.com> MIME-Version: 1.0 Content-Type: text/plain Cc: r58472@freescale.com, Liu Gang , r61911@freescale.com, Liu Gang , akpm@linux-foundation.org, B11780@freescale.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , The RETE bit in IECSR is cleared by writing a 1 to it. Signed-off-by: Liu Gang --- arch/powerpc/sysdev/fsl_rio.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index b3fd081..cdd765b 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -54,6 +54,7 @@ #define ODSR_CLEAR 0x1c00 #define LTLEECSR_ENABLE_ALL 0xFFC000FC #define ESCSR_CLEAR 0x07120204 +#define IECSR_CLEAR 0x80000000 #define RIO_PORT1_EDCSR 0x0640 #define RIO_PORT2_EDCSR 0x0680 @@ -1089,11 +1090,11 @@ static void port_error_handler(struct rio_mport *port, int offset) if (offset == 0) { out_be32((u32 *)(rio_regs_win + RIO_PORT1_EDCSR), 0); - out_be32((u32 *)(rio_regs_win + RIO_PORT1_IECSR), 0); + out_be32((u32 *)(rio_regs_win + RIO_PORT1_IECSR), IECSR_CLEAR); out_be32((u32 *)(rio_regs_win + RIO_ESCSR), ESCSR_CLEAR); } else { out_be32((u32 *)(rio_regs_win + RIO_PORT2_EDCSR), 0); - out_be32((u32 *)(rio_regs_win + RIO_PORT2_IECSR), 0); + out_be32((u32 *)(rio_regs_win + RIO_PORT2_IECSR), IECSR_CLEAR); out_be32((u32 *)(rio_regs_win + RIO_PORT2_ESCSR), ESCSR_CLEAR); } } -- 1.7.3.1