Commit 184ea403 authored by Sean Wang's avatar Sean Wang Committed by Marcel Holtmann
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Bluetooth: btmtksdio: use register CRPLR to read packet length 



That is a preliminary patch to introduce mt7921s support.

Use the register CRPLR to read packet length to make all the devices
share the common logic.

Co-developed-by: default avatarMark-yw Chen <mark-yw.chen@mediatek.com>
Signed-off-by: default avatarMark-yw Chen <mark-yw.chen@mediatek.com>
Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 5b23ac1a

drivers/bluetooth/btmtksdio.c

+5 −4
Original line number Diff line number Diff line
@@ -83,6 +83,8 @@ MODULE_DEVICE_TABLE(sdio, btmtksdio_table); 


#define MTK_REG_CRDR		0x1c



#define MTK_REG_CRPLR		0x24



#define MTK_SDIO_BLOCK_SIZE	256



#define BTMTKSDIO_TX_WAIT_VND_EVT	1
@@ -404,9 +406,8 @@ static void btmtksdio_txrx_work(struct work_struct *work) 
	struct btmtksdio_dev *bdev = container_of(work, struct btmtksdio_dev,

						  txrx_work);

	unsigned long txrx_timeout;

	u32 int_status, rx_size;

	struct sk_buff *skb;

	u32 int_status;

	u16 rx_size;

	int err;



	pm_runtime_get_sync(bdev->dev);
@@ -450,11 +451,11 @@ static void btmtksdio_txrx_work(struct work_struct *work) 
			bt_dev_warn(bdev->hdev, "Tx fifo overflow");



		if (int_status & RX_DONE_INT) {

			rx_size = (int_status & RX_PKT_LEN) >> 16;

			rx_size = sdio_readl(bdev->func, MTK_REG_CRPLR, NULL);

			rx_size = (rx_size & RX_PKT_LEN) >> 16;

			if (btmtksdio_rx_packet(bdev, rx_size) < 0)

				bdev->hdev->stat.err_rx++;

		}



	} while (int_status || time_is_before_jiffies(txrx_timeout));



	/* Enable interrupt */