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tty: serial: uartlite: Move uart register to probe

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Move uart register to probe.
This is in preparation of removing the hardcoding of number of uarts.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shubhrajyoti Datta 2018-08-06 14:22:12 +05:30 committed by Greg Kroah-Hartman
parent ea42d7a67a
commit 415b43bdb0
1 changed files with 10 additions and 17 deletions
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27
drivers/tty/serial/uartlite.c
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@ -782,6 +782,15 @@ static int ulite_probe(struct platform_device *pdev)
return ret;
}
if (!ulite_uart_driver.state) {
dev_dbg(&pdev->dev, "uartlite: calling uart_register_driver()\n");
ret = uart_register_driver(&ulite_uart_driver);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to register driver\n");
return ret;
}
}
ret = ulite_assign(&pdev->dev, id, res->start, irq, pdata);
clk_disable(pdata->clk);
@ -817,25 +826,9 @@ static struct platform_driver ulite_platform_driver = {
static int __init ulite_init(void)
{
int ret;
pr_debug("uartlite: calling uart_register_driver()\n");
ret = uart_register_driver(&ulite_uart_driver);
if (ret)
goto err_uart;
pr_debug("uartlite: calling platform_driver_register()\n");
ret = platform_driver_register(&ulite_platform_driver);
if (ret)
goto err_plat;
return 0;
err_plat:
uart_unregister_driver(&ulite_uart_driver);
err_uart:
pr_err("registering uartlite driver failed: err=%i\n", ret);
return ret;
return platform_driver_register(&ulite_platform_driver);
}
static void __exit ulite_exit(void)