diff options
| author | Bibek Basu <bbasu@nvidia.com> | 2015-12-08 10:51:02 +0530 |
|---|---|---|
| committer | Matthew Pedro <mapedro@nvidia.com> | 2015-12-10 21:29:07 -0800 |
| commit | c4e6445c32e70df835849e129cc52bdb5aa3d7f6 (patch) | |
| tree | e600c593525e9f51f94091973545d15bab110e40 /drivers/platform | |
| parent | fa425425dc12dbb8266354307244edb3b962fc06 (diff) | |
tegra: ictlr: clear error status register
Clear error status register during init
Bug 1709814
Change-Id: I348526828015c84027b647bc728355ac9271a5fe
Signed-off-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-on: http://git-master/r/842868
Reviewed-by: Matthew Pedro <mapedro@nvidia.com>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/tegra/hier_ictlr/hier_ictlr.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/platform/tegra/hier_ictlr/hier_ictlr.c b/drivers/platform/tegra/hier_ictlr/hier_ictlr.c index 65999eeeb128..0720b5d0e679 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) | |