diff options
Diffstat (limited to 'target/linux/mvebu/patches-5.4/319-ARM-dts-turris-omnia-configure-LED-2--INTn-pin-as-interrupt-pin.patch')
| -rw-r--r-- | target/linux/mvebu/patches-5.4/319-ARM-dts-turris-omnia-configure-LED-2--INTn-pin-as-interrupt-pin.patch | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/target/linux/mvebu/patches-5.4/319-ARM-dts-turris-omnia-configure-LED-2--INTn-pin-as-interrupt-pin.patch b/target/linux/mvebu/patches-5.4/319-ARM-dts-turris-omnia-configure-LED-2--INTn-pin-as-interrupt-pin.patch deleted file mode 100644 index 1fbbe8b506..0000000000 --- a/target/linux/mvebu/patches-5.4/319-ARM-dts-turris-omnia-configure-LED-2--INTn-pin-as-interrupt-pin.patch +++ /dev/null @@ -1,64 +0,0 @@ -From: "Marek Behún" <kabel@kernel.org> -To: Gregory CLEMENT <gregory.clement@bootlin.com> -Cc: "Marek Behún" <kabel@kernel.org>, Rui Salvaterra <rsalvaterra@gmail.com>, "Uwe Kleine-König" <uwe@kleine-koenig.org>, linux-arm-kernel@lists.infradead.org, Andrew Lunn <andrew@lunn.ch>, stable@vger.kernel.org -Subject: [PATCH mvebu-dt] ARM: dts: turris-omnia: configure LED[2]/INTn pin as interrupt pin -Date: Sun, 21 Feb 2021 00:11:44 +0100 -Message-Id: <20210220231144.32325-1-kabel@kernel.org> -X-Mailer: git-send-email 2.26.2 -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Use the `marvell,reg-init` DT property to configure the LED[2]/INTn pin -of the Marvell 88E1514 ethernet PHY on Turris Omnia into interrupt mode. - -Without this the pin is by default in LED[2] mode, and the Marvell PHY -driver configures LED[2] into "On - Link, Blink - Activity" mode. - -This fixes the issue where the pca9538 GPIO/interrupt controller (which -can't mask interrupts in HW) received too many interrupts and after a -time started ignoring the interrupt with error message: - IRQ 71: nobody cared - -There is a work in progress to have the Marvell PHY driver support -parsing PHY LED nodes from OF and registering the LEDs as Linux LED -class devices. Once this is done the PHY driver can also automatically -set the pin into INTn mode if it does not find LED[2] in OF. - -Until then, though, we fix this via `marvell,reg-init` DT property. - -Signed-off-by: Marek Behún <kabel@kernel.org> -Reported-by: Rui Salvaterra <rsalvaterra@gmail.com> -Fixes: 26ca8b52d6e1 ("ARM: dts: add support for Turris Omnia") -Cc: Uwe Kleine-König <uwe@kleine-koenig.org> -Cc: linux-arm-kernel@lists.infradead.org -Cc: Andrew Lunn <andrew@lunn.ch> -Cc: Gregory CLEMENT <gregory.clement@bootlin.com> -Cc: <stable@vger.kernel.org> - ---- - -This patch fixes bug introduced with the commit that added Turris -Omnia's DTS (26ca8b52d6e1), but will not apply cleanly because there is -commit 8ee4a5f4f40d which changed node name and node compatible -property and this commit did not go into stable. - -So either commit 8ee4a5f4f40d has also to go into stable before this, or -this patch has to be fixed a little in order to apply to 4.14+. - -Please let me know how should I handle this. - ---- - arch/arm/boot/dts/armada-385-turris-omnia.dts | 1 + - 1 file changed, 1 insertion(+) - ---- a/arch/arm/boot/dts/armada-385-turris-omnia.dts -+++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts -@@ -254,6 +254,7 @@ - status = "okay"; - compatible = "ethernet-phy-id0141.0DD1", "ethernet-phy-ieee802.3-c22"; - reg = <1>; -+ marvell,reg-init = <3 18 0 0x4985>; - - /* irq is connected to &pcawan pin 7 */ - }; |