diff options
| author | Sean Wang <sean.wang@mediatek.com> | 2021-10-19 00:30:18 +0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2021-10-25 16:36:23 +0300 |
| commit | 184ea403ccfc1ba04b75908de4eace979ce2ce4e (patch) | |
| tree | 4eda99a66a0e807d920b1a6b9779d69717f7d54a /drivers/bluetooth/btmtksdio.c | |
| parent | 5b23ac1adbc55fc0cda3553a12a6ec4785af748a (diff) | |
| download | linux-184ea403ccfc1ba04b75908de4eace979ce2ce4e.tar.xz | |
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: Mark-yw Chen <mark-yw.chen@mediatek.com>
Signed-off-by: Mark-yw Chen <mark-yw.chen@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btmtksdio.c')
| -rw-r--r-- | drivers/bluetooth/btmtksdio.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 3381c8844902..f816a7cb0a74 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -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 */ |