linux-kernel - [PATCH 1/3] Bluetooth: btmrvl

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Date:   Wed, 10 Jun 2020 18:53:53 -0700
From:   Abhishek Pandit-Subedi <abhishekpandit@...omium.org>
To:     marcel@...tman.org, linux-bluetooth@...r.kernel.org
Cc:     alainm@...omium.org, chromeos-bluetooth-upstreaming@...omium.org,
        mka@...omium.org, dianders@...omium.org, linux-pm@...r.kernel.org,
        Abhishek Pandit-Subedi <abhishekpandit@...omium.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Marcel Holtmann <marcel@...tmann.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] Bluetooth: btmrvl_sdio: Set parent dev to hdev

Set the correct parent dev when registering hdev. This allows userspace
tools to find the parent device (for example, to set the power/wakeup
property).

Before this change, the path was /sys/devices/virtual/bluetooth/hci0
and after this change, it looks more like:
/sys/bus/mmc/devices/mmc1:0001/mmc1:0001:2/bluetooth/hci0

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@...omium.org>
Reviewed-by: Douglas Anderson <dianders@...omium.org>
---

 drivers/bluetooth/btmrvl_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index 708ad21683eb31..47e450903af423 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c
@@ -669,6 +669,7 @@ static int btmrvl_service_main_thread(void *data)
 int btmrvl_register_hdev(struct btmrvl_private *priv)
 {
 	struct hci_dev *hdev = NULL;
+	struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
 	int ret;
 
 	hdev = hci_alloc_dev();
@@ -687,6 +688,7 @@ int btmrvl_register_hdev(struct btmrvl_private *priv)
 	hdev->send  = btmrvl_send_frame;
 	hdev->setup = btmrvl_setup;
 	hdev->set_bdaddr = btmrvl_set_bdaddr;
+	SET_HCIDEV_DEV(hdev, &card->func->dev);
 
 	hdev->dev_type = priv->btmrvl_dev.dev_type;
 
-- 
2.27.0.278.ge193c7cf3a9-goog