linux-kernel - [PATCH 5.4 168/191] phy: renesas: rcar-gen3-usb2: Use platform_get_irq

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Date:   Tue,  7 Jan 2020 21:54:48 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Stephen Boyd <swboyd@...omium.org>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>
Subject: [PATCH 5.4 168/191] phy: renesas: rcar-gen3-usb2: Use platform_get_irq_optional() for optional irq

From: Geert Uytterhoeven <geert+renesas@...der.be>

commit b049e03ca57f238e74a79e44ffc85904db465e72 upstream.

As platform_get_irq() now prints an error when the interrupt does not
exist, a scary warning may be printed for an optional interrupt:

    phy_rcar_gen3_usb2 ee0a0200.usb-phy: IRQ index 0 not found

Fix this by calling platform_get_irq_optional() instead.

Fixes: 7723f4c5ecdb8d83 ("driver core: platform: Add an error message to platform_get_irq*()")
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Signed-off-by: Felipe Balbi <felipe.balbi@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/phy/renesas/phy-rcar-gen3-usb2.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
+++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
@@ -615,7 +615,7 @@ static int rcar_gen3_phy_usb2_probe(stru
 		return PTR_ERR(channel->base);
 
 	/* call request_irq for OTG */
-	irq = platform_get_irq(pdev, 0);
+	irq = platform_get_irq_optional(pdev, 0);
 	if (irq >= 0) {
 		INIT_WORK(&channel->work, rcar_gen3_phy_usb2_work);
 		irq = devm_request_irq(dev, irq, rcar_gen3_phy_usb2_irq,