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Merge "net: qrtr: haven: Add doorbell retry for secondary"

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qctecmdr 2020-07-15 20:47:42 -07:00 • committed by Gerrit - the friendly Code Review server
commit 53e710e089
1 changed files with 17 additions and 1 deletions
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18
net/qrtr/haven.c
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@ -68,6 +68,7 @@ struct qrtr_haven_dev {
u32 label;
void *tx_dbl;
void *rx_dbl;
struct work_struct work;
struct haven_pipe tx_pipe;
struct haven_pipe rx_pipe;
@ -81,8 +82,20 @@ static void qrtr_haven_kick(struct qrtr_haven_dev *qdev)
int ret;
ret = hh_dbl_send(qdev->tx_dbl, &dbl_mask, HH_DBL_NONBLOCK);
if (ret)
if (ret) {
dev_err(qdev->dev, "failed to raise doorbell %d\n", ret);
if (!qdev->master)
schedule_work(&qdev->work);
}
}
static void qrtr_haven_retry_work(struct work_struct *work)
{
struct qrtr_haven_dev *qdev = container_of(work, struct qrtr_haven_dev,
work);
hh_dbl_flags_t dbl_mask = QRTR_DBL_MASK;
hh_dbl_send(qdev->tx_dbl, &dbl_mask, 0);
}
static void qrtr_haven_cb(int irq, void *data)
@ -477,6 +490,7 @@ static int qrtr_haven_probe(struct platform_device *pdev)
dev_err(qdev->dev, "failed to get haven tx dbl %d\n", ret);
return ret;
}
INIT_WORK(&qdev->work, qrtr_haven_retry_work);
qdev->rx_dbl = hh_dbl_rx_register(dbl_label, qrtr_haven_cb, qdev);
if (IS_ERR_OR_NULL(qdev->rx_dbl)) {
@ -498,6 +512,7 @@ static int qrtr_haven_probe(struct platform_device *pdev)
register_fail:
hh_dbl_rx_unregister(qdev->rx_dbl);
fail_rx_dbl:
cancel_work_sync(&qdev->work);
hh_dbl_tx_unregister(qdev->tx_dbl);
return ret;
@ -507,6 +522,7 @@ static int qrtr_haven_remove(struct platform_device *pdev)
{
struct qrtr_haven_dev *qdev = dev_get_drvdata(&pdev->dev);
cancel_work_sync(&qdev->work);
hh_dbl_tx_unregister(qdev->tx_dbl);
hh_dbl_rx_unregister(qdev->rx_dbl);