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serial-uartlite: Change logic how console_port is setup 

Change logic how console_port is setup by using CON_ENABLED flag
instead of index. There will be unique uart_console
structure that's why code can't use id for console_port
assignment.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/1573555271-2579-1-git-send-email-shubhrajyoti.datta@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shubhrajyoti Datta 2019-11-12 16:11:08 +05:30 committed by Greg Kroah-Hartman
parent 74887542fd
commit d338838c09
1 changed files with 8 additions and 2 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
* is cleanup.
*/
if (ulite_uart_driver.cons->index == -1)
if (!console_port)
console_port = port;
#endif
@ -680,7 +680,8 @@ static int ulite_assign(struct device *dev, int id, u32 base, int irq,
#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE
/* This is not port which is used for console that's why clean it up */
if (ulite_uart_driver.cons->index == -1)
if (console_port == port &&
!(ulite_uart_driver.cons->flags & CON_ENABLED))
console_port = NULL;
#endif
@ -864,6 +865,11 @@ static int ulite_remove(struct platform_device *pdev)
clk_disable_unprepare(pdata->clk);
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_set_suspended(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev);