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| author | Alexander Sverdlin <alexander.sverdlin@nokia.com> | 2020-11-27 11:19:53 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-04 16:51:40 +0100 |
| commit | 0b60525b4e88b0ae656b89733f577a76d474f07a (patch) | |
| tree | 4a110550f112bd11e8bbef6abca7345da41cfc4e /drivers/tty | |
| parent | 62dcd9c59f324e484c1d655884e0101a988f6671 (diff) | |
| download | linux-0b60525b4e88b0ae656b89733f577a76d474f07a.tar.gz linux-0b60525b4e88b0ae656b89733f577a76d474f07a.tar.bz2 linux-0b60525b4e88b0ae656b89733f577a76d474f07a.zip | |
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>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/uartlite.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c index 09379db613d8..f42ccc40ffa6 100644 --- a/drivers/tty/serial/uartlite.c +++ b/drivers/tty/serial/uartlite.c @@ -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)) { |