Thread (49 messages) flat view 49 messages, 3 authors, 2020-08-04

Re: [PATCH v6 15/25] coresight: replicator: remove multiple init calls

From: Mike Leach <hidden>
Date: 2020-08-03 17:14:14

On Fri, 31 Jul 2020 at 07:41, Tingwei Zhang [off-list ref] wrote:
quoted hunk ↗ jump to hunk
From: Mian Yousaf Kaukab <redacted>

Dynamic-replicator uses module_amba_driver to register. Whereas
static-replicator uses builtin_platform_driver. Combine these init
calls into a single module_init/exit pair in preparation to make the
driver modular.

Signed-off-by: Mian Yousaf Kaukab <redacted>
Signed-off-by: Tingwei Zhang <redacted>
---
 .../coresight/coresight-replicator.c          | 30 +++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/hwtracing/coresight/coresight-replicator.c
index 78acf29c49ca..6b30bcee7458 100644
--- a/drivers/hwtracing/coresight/coresight-replicator.c
+++ b/drivers/hwtracing/coresight/coresight-replicator.c
@@ -360,7 +360,6 @@ static struct platform_driver static_replicator_driver = {
                .suppress_bind_attrs = true,
        },
 };
-builtin_platform_driver(static_replicator_driver);

 static int dynamic_replicator_probe(struct amba_device *adev,
                                    const struct amba_id *id)
@@ -383,4 +382,31 @@ static struct amba_driver dynamic_replicator_driver = {
        .probe          = dynamic_replicator_probe,
        .id_table       = dynamic_replicator_ids,
 };
-builtin_amba_driver(dynamic_replicator_driver);
+
+static int __init replicator_init(void)
+{
+       int ret;
+
+       ret = platform_driver_register(&static_replicator_driver);
+       if (ret) {
+               pr_info("Error registering platform driver\n");
+               return ret;
+       }
+
+       ret = amba_driver_register(&dynamic_replicator_driver);
+       if (ret) {
+               pr_info("Error registering amba driver\n");
+               platform_driver_unregister(&static_replicator_driver);
+       }
+
+       return ret;
+}
+
+static void __exit replicator_exit(void)
+{
+       platform_driver_unregister(&static_replicator_driver);
+       amba_driver_unregister(&dynamic_replicator_driver);
+}
+
+module_init(replicator_init);
+module_exit(replicator_exit);
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
Tested by: Mike Leach [off-list ref]


--
Mike Leach
Principal Engineer, ARM Ltd.
Manchester Design Centre. UK

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