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Revert "serial-uartlite: Change logic how console_port is setup" 

This reverts commit d338838c09.

As Johan says, this driver needs a lot more work and these changes are
only going in the wrong direction:
    https://lkml.kernel.org/r/20190523091839.GC568@localhost

Reported-by: Johan Hovold <johan@kernel.org>
Cc: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2019-11-14 06:22:56 +08:00
parent 61ad2a021d
commit 5042ffbc95
1 changed files with 2 additions and 8 deletions
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10
drivers/tty/serial/uartlite.c
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@ -665,7 +665,7 @@ static int ulite_assign(struct device *dev, int id, u32 base, int irq,
* If register_console() don't assign value, then console_port pointer * If register_console() don't assign value, then console_port pointer
* is cleanup. * is cleanup.
*/ */
if (!console_port) if (ulite_uart_driver.cons->index == -1)
console_port = port; console_port = port;
#endif #endif
@ -680,8 +680,7 @@ static int ulite_assign(struct device *dev, int id, u32 base, int irq,
#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE #ifdef CONFIG_SERIAL_UARTLITE_CONSOLE
/* This is not port which is used for console that's why clean it up */ /* This is not port which is used for console that's why clean it up */
if (console_port == port && if (ulite_uart_driver.cons->index == -1)
!(ulite_uart_driver.cons->flags & CON_ENABLED))
console_port = NULL; console_port = NULL;
#endif #endif
@ -865,11 +864,6 @@ static int ulite_remove(struct platform_device *pdev)
clk_disable_unprepare(pdata->clk); clk_disable_unprepare(pdata->clk);
rc = ulite_release(&pdev->dev); rc = ulite_release(&pdev->dev);
#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE
if (console_port == port)
console_port = NULL;
#endif
pm_runtime_disable(&pdev->dev); pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev); pm_runtime_set_suspended(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev); pm_runtime_dont_use_autosuspend(&pdev->dev);