From c4e6445c32e70df835849e129cc52bdb5aa3d7f6 Mon Sep 17 00:00:00 2001 From: Bibek Basu Date: Tue, 8 Dec 2015 10:51:02 +0530 Subject: [PATCH] tegra: ictlr: clear error status register Clear error status register during init Bug 1709814 Change-Id: I348526828015c84027b647bc728355ac9271a5fe Signed-off-by: Bibek Basu Reviewed-on: http://git-master/r/842868 Reviewed-by: Matthew Pedro --- drivers/platform/tegra/hier_ictlr/hier_ictlr.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/platform/tegra/hier_ictlr/hier_ictlr.c b/drivers/platform/tegra/hier_ictlr/hier_ictlr.c index 65999eeeb12..0720b5d0e67 100644 --- a/drivers/platform/tegra/hier_ictlr/hier_ictlr.c +++ b/drivers/platform/tegra/hier_ictlr/hier_ictlr.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2014, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2013-2015, NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -40,6 +40,7 @@ #define MSELECT_TIMEOUT_TIMER_0 0x5c #define MSELECT_ERROR_STATUS_0 0x60 #define MSELECT_DEFAULT_TIMEOUT 0xFFFFFF +#define MSELECT_ERROR_STATUS_CLEAR 0x3FF static irqreturn_t tegra_hier_ictlr_irq_handler(int irq, void *data) { @@ -126,6 +127,9 @@ static int tegra_hier_ictlr_mselect_init(struct platform_device *pdev, tegra_hier_ictlr_set_mselect_timeout(ictlr, MSELECT_DEFAULT_TIMEOUT); + /*clear error status register */ + writel(MSELECT_ERROR_STATUS_CLEAR, + ictlr->mselect_base + MSELECT_ERROR_STATUS_0); reg = readl(ictlr->mselect_base + MSELECT_CONFIG_0); writel(reg | ((1 << MSELECT_CONFIG_0_READ_TIMEOUT_EN_SLAVE0_SHIFT) | -- 2.39.2