Commit 5b23ac1a authored by Sean Wang's avatar Sean Wang Committed by Marcel Holtmann
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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: 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 26270bc1

drivers/bluetooth/btmtksdio.c

+6 −2
Original line number Diff line number Diff line
@@ -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;