tegra: mc: Add resume function for mc

mc_err is not reported after device resume as MC_INTMASK register is in
reset state. Restore this register in resume.

Bug 3418979

Change-Id: I04884b81164a4b95e1f11e6e78e35499b6f5e977
Signed-off-by: Ketan Patil <ketanp@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2622984
(cherry picked from commit c9638f54e8b3dc48158cce548c24bae6dbf09adc)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2638812
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: Puneet Saxena <puneets@nvidia.com>
Reviewed-by: Pritesh Raithatha <praithatha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/platform/tegra/mcerr.h b/include/linux/platform/tegra/mcerr.h
index 512b43e22..ead72f330 100644
--- a/include/linux/platform/tegra/mcerr.h
+++ b/include/linux/platform/tegra/mcerr.h
@@ -2,7 +2,7 @@
  * MC error interrupt handling header file. Various defines and declarations
  * across tegra chips.
  *
- * Copyright (c) 2010-2018, NVIDIA Corporation. All rights reserved.
+ * Copyright (c) 2010-2021, 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
@@ -53,6 +53,7 @@
 
 struct platform_device;
 int tegra_mcerr_init(struct dentry *mc_paren, struct platform_device *pdev);
+void tegra_mcerr_resume(void);
 irqreturn_t tegra_mc_handle_general_fault(int src_chan, int intstatus);
 
 /*