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NVIDIA: SAUCE: tegra-epl: Map mission status reg if only required

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Mission status register is only required if either of the MISC EC
registers is mapped.

Bug 5100266
Bug 5415787
Bug 5405209

Change-Id: Idf9c64050d3d106ac1b78b7c1e0d64257f9195d3
Signed-off-by: Rahul Bedarkar <rabedarkar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/3rdparty/canonical/linux-noble/+/3430973
(cherry picked from commit c28c7e50c460912f60a1b4e265d37a88fc522136)
Reviewed-on: https://git-master.nvidia.com/r/c/3rdparty/canonical/linux-noble/+/3459570
Tested-by: Hiteshkumar Patel <hiteshkumarg@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
Reviewed-by: Dipen Patel <dipenp@nvidia.com>
This commit is contained in:
Rahul Bedarkar
2025-02-10 10:33:49 +00:00
committed by mobile promotions
parent 072b8487aa
commit d684657795
1 changed files with 11 additions and 6 deletions
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drivers/platform/tegra/tegra-epl.c
+11 -6
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@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2021-2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// Copyright (c) 2021-2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#include <linux/module.h>
#include <linux/fs.h>
@@ -333,6 +333,7 @@ static int epl_client_probe(struct platform_device *pdev)
const struct device_node *np = dev->of_node;
int iterator = 0;
char name[32] = "client-misc-sw-generic-err";
bool is_misc_ec_mapped = false;
hs_state = HANDSHAKE_PENDING;
@@ -359,6 +360,8 @@ static int epl_client_probe(struct platform_device *pdev)
ret = -1;
dev_err(&pdev->dev, "error in mapping misc err register for err #%d\n",
iterator);
} else {
is_misc_ec_mapped = true;
}
} else {
pr_info("Misc Sw Generic Err %d not configured for any client\n", iterator);
@@ -374,11 +377,13 @@ static int epl_client_probe(struct platform_device *pdev)
dev_info(dev, "handshake-retry-count %u\n", handshake_retry_count);
mission_err_status_va = devm_platform_ioremap_resource(pdev, NUM_SW_GENERIC_ERR * 2);
if (IS_ERR(mission_err_status_va)) {
isAddrMappOk = false;
dev_err(&pdev->dev, "error in mapping mission error status register\n");
return PTR_ERR(mission_err_status_va);
if (is_misc_ec_mapped == true) {
mission_err_status_va = devm_platform_ioremap_resource(pdev, NUM_SW_GENERIC_ERR * 2);
if (IS_ERR(mission_err_status_va)) {
isAddrMappOk = false;
dev_err(&pdev->dev, "error in mapping mission error status register\n");
return PTR_ERR(mission_err_status_va);
}
}
if (ret == 0) {