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Merge "drivers: uart: initialize spin_lock before use"

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This commit is contained in:
qctecmdr 2021-05-14 09:39:21 -07:00 • committed by Gerrit - the friendly Code Review server
commit d0ce056b72
1 changed files with 7 additions and 2 deletions
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9
drivers/tty/serial/msm_geni_serial.c
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@ -3305,6 +3305,13 @@ static int msm_geni_serial_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Failed to Read FW ver: %d\n", ret);
goto exit_geni_serial_probe;
}
/*
* In abrupt kill scenarios, previous state of the uart causing runtime
* resume, lead to spinlock bug in stop_rx_sequencer, so initializing it
* before
*/
if (!is_console)
spin_lock_init(&dev_port->rx_lock);
ret = uart_add_one_port(drv, uport);
if (ret)
@ -3316,8 +3323,6 @@ static int msm_geni_serial_probe(struct platform_device *pdev)
*/
if (uart_console(uport))
geni_se_remove_earlycon_icc_vote(dev_port->wrapper_dev);
else
spin_lock_init(&dev_port->rx_lock);
if (strcmp(id->compatible, "qcom,msm-geni-console") == 0)
snprintf(boot_marker, sizeof(boot_marker),