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tty: serial: uartlite: Support probe deferral 

Give uartlite a chance to be probed when IRQ controller will be finally
available and return potential -EPROBE_DEFER as-is. The condition "<="
has been changed to "<" to follow the recommendation in the header of
platform_get_irq().

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Link: https://lore.kernel.org/r/20201127101953.23700-1-alexander.sverdlin@nokia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Sverdlin 2020-11-27 11:19:53 +01:00 committed by Greg Kroah-Hartman
parent 62dcd9c59f
commit 0b60525b4e
1 changed files with 2 additions and 2 deletions
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4
drivers/tty/serial/uartlite.c
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@ -773,8 +773,8 @@ static int ulite_probe(struct platform_device *pdev)
return -ENODEV;
irq = platform_get_irq(pdev, 0);
if (irq <= 0)
return -ENXIO;
if (irq < 0)
return irq;
pdata->clk = devm_clk_get(&pdev->dev, "s_axi_aclk");
if (IS_ERR(pdata->clk)) {