diff options
| author | Sean Wang <sean.wang@mediatek.com> | 2025-03-11 18:25:22 -0700 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2025-03-25 12:51:26 -0400 |
| commit | 6ac4233afb9a389a7629b7f812395d1d1eca5a83 (patch) | |
| tree | f5329544ab166249b5f879c634bbe9e37fb069e3 | |
| parent | 33634e2ab7c6369391e0ca4b9b97dc861e33d20e (diff) | |
Bluetooth: btmtksdio: Prevent enabling interrupts after IRQ handler removal
Ensure interrupts are not re-enabled when the IRQ handler has already been
removed. This prevents unexpected IRQ handler execution due to stale or
unhandled interrupts.
Modify btmtksdio_txrx_work to check if bdev->func->irq_handler exists
before calling sdio_writel to enable interrupts.
Co-developed-by: Pedro Tsai <pedro.tsai@mediatek.com>
Signed-off-by: Pedro Tsai <pedro.tsai@mediatek.com>
Co-developed-by: Felix Freimann <felix.freimann@mediatek.com>
Signed-off-by: Felix Freimann <felix.freimann@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
| -rw-r--r-- | drivers/bluetooth/btmtksdio.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index bd5464bde174..edd5eead1e93 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -610,7 +610,8 @@ static void btmtksdio_txrx_work(struct work_struct *work) } while (int_status || time_is_before_jiffies(txrx_timeout)); /* Enable interrupt */ - sdio_writel(bdev->func, C_INT_EN_SET, MTK_REG_CHLPCR, NULL); + if (bdev->func->irq_handler) + sdio_writel(bdev->func, C_INT_EN_SET, MTK_REG_CHLPCR, NULL); sdio_release_host(bdev->func); |