diff options
| author | Sean Wang <sean.wang@mediatek.com> | 2021-10-19 05:30:17 +0800 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2021-10-25 15:36:23 +0200 |
| commit | 5b23ac1adbc55fc0cda3553a12a6ec4785af748a (patch) | |
| tree | 872b316438cd51c3a43ad43e9e29ca4f7848f285 /drivers/bluetooth | |
| parent | 26270bc189ea4b5a8356ec99561357fc87f00b32 (diff) | |
| download | linux-5b23ac1adbc55fc0cda3553a12a6ec4785af748a.tar.gz | |
Bluetooth: btmtksdio: update register CSDIOCSR operation
That is a preliminary patch to introduce mt7921s support. Update register CSDIOCSR operation that is suggested from the vendor driver and is compatible to the all devices. 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')
| -rw-r--r-- | drivers/bluetooth/btmtksdio.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index f712b52e5797..3381c8844902 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -520,8 +520,12 @@ static int btmtksdio_open(struct hci_dev *hdev) /* SDIO CMD 5 allows the SDIO device back to idle state an * synchronous interrupt is supported in SDIO 4-bit mode */ - sdio_writel(bdev->func, SDIO_INT_CTL | SDIO_RE_INIT_EN, - MTK_REG_CSDIOCSR, &err); + val = sdio_readl(bdev->func, MTK_REG_CSDIOCSR, &err); + if (err < 0) + goto err_release_irq; + + val |= SDIO_INT_CTL; + sdio_writel(bdev->func, val, MTK_REG_CSDIOCSR, &err); if (err < 0) goto err_release_irq; |