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    Subject[PATCH 5.7 191/244] uio_pdrv_genirq: Remove warning when irq is not specified
    Date
    From: Esben Haabendal <esben@geanix.com>

    commit 324ac45f25e634eca6346953ae531e8da3e0c73d upstream.

    Since e3a3c3a20555 ("UIO: fix uio_pdrv_genirq with device tree but no
    interrupt"), the uio_pdrv_genirq has supported use without interrupt,
    so the change in 7723f4c5ecdb ("driver core: platform: Add an error
    message to") added false warnings for those cases.

    Fixes: 7723f4c5ecdb ("driver core: platform: Add an error message to platform_get_irq*()")
    Signed-off-by: Esben Haabendal <esben@geanix.com>
    Cc: stable@vger.kernel.org
    Link: https://lore.kernel.org/r/20200701145659.3978-2-esben@geanix.com
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/uio/uio_pdrv_genirq.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/drivers/uio/uio_pdrv_genirq.c
    +++ b/drivers/uio/uio_pdrv_genirq.c
    @@ -159,7 +159,7 @@ static int uio_pdrv_genirq_probe(struct
    priv->pdev = pdev;

    if (!uioinfo->irq) {
    - ret = platform_get_irq(pdev, 0);
    + ret = platform_get_irq_optional(pdev, 0);
    uioinfo->irq = ret;
    if (ret == -ENXIO && pdev->dev.of_node)
    uioinfo->irq = UIO_IRQ_NONE;

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