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mailbox: mailbox-test: fix debugfs in multi-instances 

Create one debug entry directory per instance to support the multi
instantiation.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
This commit is contained in:
Fabien Dessenne 2019-01-04 14:47:15 +01:00 committed by Jassi Brar
parent a904327e98
commit 10cfc5a92e
1 changed files with 6 additions and 6 deletions
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12
drivers/mailbox/mailbox-test.c
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@ -31,7 +31,6 @@
(MBOX_MAX_MSG_LEN / MBOX_BYTES_PER_LINE))
static bool mbox_data_ready;
static struct dentry *root_debugfs_dir;
struct mbox_test_device {
struct device *dev;
@ -45,6 +44,7 @@ struct mbox_test_device {
spinlock_t lock;
wait_queue_head_t waitq;
struct fasync_struct *async_queue;
struct dentry *root_debugfs_dir;
};
static ssize_t mbox_test_signal_write(struct file *filp,
@ -262,16 +262,16 @@ static int mbox_test_add_debugfs(struct platform_device *pdev,
if (!debugfs_initialized())
return 0;
root_debugfs_dir = debugfs_create_dir("mailbox", NULL);
if (!root_debugfs_dir) {
tdev->root_debugfs_dir = debugfs_create_dir(dev_name(&pdev->dev), NULL);
if (!tdev->root_debugfs_dir) {
dev_err(&pdev->dev, "Failed to create Mailbox debugfs\n");
return -EINVAL;
}
debugfs_create_file("message", 0600, root_debugfs_dir,
debugfs_create_file("message", 0600, tdev->root_debugfs_dir,
tdev, &mbox_test_message_ops);
debugfs_create_file("signal", 0200, root_debugfs_dir,
debugfs_create_file("signal", 0200, tdev->root_debugfs_dir,
tdev, &mbox_test_signal_ops);
return 0;
@ -416,7 +416,7 @@ static int mbox_test_remove(struct platform_device *pdev)
{
struct mbox_test_device *tdev = platform_get_drvdata(pdev);
debugfs_remove_recursive(root_debugfs_dir);
debugfs_remove_recursive(tdev->root_debugfs_dir);
if (tdev->tx_channel)
mbox_free_channel(tdev->tx_channel);