From d6831752367722e916bd15e5d1af79993c637a67 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Daniel=20Gonz=C3=A1lez=20Cabanelas?= Date: Fri, 23 Apr 2021 17:33:32 +0200 Subject: [PATCH] kernel: backport "mvmdio avoid error message for optional IRQ" MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Rid of kernel error message: [ 0.780828] orion-mdio d0072004.mdio: IRQ index 0 not found on Marvell targets backporting the kernel commit fa2632f74e57 Signed-off-by: Daniel González Cabanelas --- ...avoid-error-message-for-optional-IRQ.patch | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 target/linux/generic/backport-5.4/751-v5.6-net-mvmdio-avoid-error-message-for-optional-IRQ.patch diff --git a/target/linux/generic/backport-5.4/751-v5.6-net-mvmdio-avoid-error-message-for-optional-IRQ.patch b/target/linux/generic/backport-5.4/751-v5.6-net-mvmdio-avoid-error-message-for-optional-IRQ.patch new file mode 100644 index 0000000000..6d51de8372 --- /dev/null +++ b/target/linux/generic/backport-5.4/751-v5.6-net-mvmdio-avoid-error-message-for-optional-IRQ.patch @@ -0,0 +1,33 @@ +From fa2632f74e57bbc869c8ad37751a11b6147a3acc Mon Sep 17 00:00:00 2001 +From: Chris Packham +Date: Mon, 16 Mar 2020 20:49:07 +1300 +Subject: [PATCH] net: mvmdio: avoid error message for optional IRQ + +Per the dt-binding the interrupt is optional so use +platform_get_irq_optional() instead of platform_get_irq(). Since +commit 7723f4c5ecdb ("driver core: platform: Add an error message to +platform_get_irq*()") platform_get_irq() produces an error message + + orion-mdio f1072004.mdio: IRQ index 0 not found + +which is perfectly normal if one hasn't specified the optional property +in the device tree. + +Signed-off-by: Chris Packham +Reviewed-by: Andrew Lunn +Signed-off-by: David S. Miller +--- + drivers/net/ethernet/marvell/mvmdio.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/ethernet/marvell/mvmdio.c ++++ b/drivers/net/ethernet/marvell/mvmdio.c +@@ -347,7 +347,7 @@ static int orion_mdio_probe(struct platf + } + + +- dev->err_interrupt = platform_get_irq(pdev, 0); ++ dev->err_interrupt = platform_get_irq_optional(pdev, 0); + if (dev->err_interrupt > 0 && + resource_size(r) < MVMDIO_ERR_INT_MASK + 4) { + dev_err(&pdev->dev, -- 2.30.2