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authorArend van Spriel <arend.vanspriel@broadcom.com>2018-05-18 00:15:12 +0200
committerMarcel Holtmann <marcel@holtmann.org>2018-05-29 15:59:50 +0200
commit45650499ee1844c0a6cc1ff143ea02b359fdac9b (patch)
tree13f3e83e24dc471936b36b81987bd5143cb33bd6 /drivers/bluetooth/btmrvl_debugfs.c
parent803cdb8ce584198cd45825822910cac7de6378cb (diff)
downloadlinux-45650499ee1844c0a6cc1ff143ea02b359fdac9b.tar.gz
Bluetooth: btmrvl: support sysfs initiated firmware coredump
Since commit 3c47d19ff4dc ("drivers: base: add coredump driver ops")
it is possible to initiate a device coredump from user-space. This
patch adds support for it in btmrvl_sdio adding the .coredump()
driver callback. This makes dump through debugfs obsolete so removing
it.

Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btmrvl_debugfs.c')
-rw-r--r--drivers/bluetooth/btmrvl_debugfs.c31
1 files changed, 0 insertions, 31 deletions
diff --git a/drivers/bluetooth/btmrvl_debugfs.c b/drivers/bluetooth/btmrvl_debugfs.c
index 1828ed8cae7a..023d35e3c7a7 100644
--- a/drivers/bluetooth/btmrvl_debugfs.c
+++ b/drivers/bluetooth/btmrvl_debugfs.c
@@ -167,35 +167,6 @@ static const struct file_operations btmrvl_hscmd_fops = {
 	.llseek = default_llseek,
 };
 
-static ssize_t btmrvl_fwdump_write(struct file *file, const char __user *ubuf,
-				   size_t count, loff_t *ppos)
-{
-	struct btmrvl_private *priv = file->private_data;
-	char buf[16];
-	bool result;
-
-	memset(buf, 0, sizeof(buf));
-
-	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
-		return -EFAULT;
-
-	if (strtobool(buf, &result))
-		return -EINVAL;
-
-	if (!result)
-		return -EINVAL;
-
-	btmrvl_firmware_dump(priv);
-
-	return count;
-}
-
-static const struct file_operations btmrvl_fwdump_fops = {
-	.write	= btmrvl_fwdump_write,
-	.open	= simple_open,
-	.llseek = default_llseek,
-};
-
 void btmrvl_debugfs_init(struct hci_dev *hdev)
 {
 	struct btmrvl_private *priv = hci_get_drvdata(hdev);
@@ -226,8 +197,6 @@ void btmrvl_debugfs_init(struct hci_dev *hdev)
 			    priv, &btmrvl_hscmd_fops);
 	debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
 			    priv, &btmrvl_hscfgcmd_fops);
-	debugfs_create_file("fw_dump", 0200, dbg->config_dir,
-			    priv, &btmrvl_fwdump_fops);
 
 	dbg->status_dir = debugfs_create_dir("status", hdev->debugfs);
 	debugfs_create_u8("curpsmode", 0444, dbg->status_dir,