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Bluetooth: btmtksdio: update register CSDIOCSR operation

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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>
This commit is contained in:
Sean Wang 2021-10-19 05:30:17 +08:00 committed by Marcel Holtmann
parent 26270bc189
commit 5b23ac1adb
1 changed files with 6 additions and 2 deletions
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8
drivers/bluetooth/btmtksdio.c
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@ -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;