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Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.47 All patches automatically rebased. Build system: x86/64 Build-tested: x86/64/AMD Cezanne Run-tested: x86/64/AMD Cezanne Signed-off-by: John Audia <therealgraysky@proton.me>
66 lines
2.3 KiB
Diff
66 lines
2.3 KiB
Diff
From 4bb7aac70b5d8a4bddf4ee0791b834f9f56883d2 Mon Sep 17 00:00:00 2001
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From: Arnd Bergmann <arnd@arndb.de>
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Date: Thu, 20 Apr 2023 10:45:51 +0200
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Subject: [PATCH] net: phy: fix circular LEDS_CLASS dependencies
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The CONFIG_PHYLIB symbol is selected by a number of device drivers that
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need PHY support, but it now has a dependency on CONFIG_LEDS_CLASS,
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which may not be enabled, causing build failures.
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Avoid the risk of missing and circular dependencies by guarding the
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phylib LED support itself in another Kconfig symbol that can only be
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enabled if the dependency is met.
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This could be made a hidden symbol and always enabled when both CONFIG_OF
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and CONFIG_LEDS_CLASS are reachable from the phylib, but there may be an
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advantage in having users see this option when they have a misconfigured
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kernel without built-in LED support.
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Fixes: 01e5b728e9e4 ("net: phy: Add a binding for PHY LEDs")
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Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Link: https://lore.kernel.org/r/20230420084624.3005701-1-arnd@kernel.org
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/phy/Kconfig | 9 ++++++++-
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drivers/net/phy/phy_device.c | 3 ++-
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2 files changed, 10 insertions(+), 2 deletions(-)
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--- a/drivers/net/phy/Kconfig
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+++ b/drivers/net/phy/Kconfig
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@@ -18,7 +18,6 @@ menuconfig PHYLIB
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depends on NETDEVICES
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select MDIO_DEVICE
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select MDIO_DEVRES
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- depends on LEDS_CLASS || LEDS_CLASS=n
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help
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Ethernet controllers are usually attached to PHY
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devices. This option provides infrastructure for
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@@ -45,6 +44,14 @@ config LED_TRIGGER_PHY
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<Speed in megabits>Mbps OR <Speed in gigabits>Gbps OR link
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for any speed known to the PHY.
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+config PHYLIB_LEDS
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+ bool "Support probing LEDs from device tree"
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+ depends on LEDS_CLASS=y || LEDS_CLASS=PHYLIB
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+ depends on OF
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+ default y
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+ help
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+ When LED class support is enabled, phylib can automatically
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+ probe LED setting from device tree.
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config FIXED_PHY
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tristate "MDIO Bus/PHY emulation with fixed speed/link PHYs"
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--- a/drivers/net/phy/phy_device.c
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+++ b/drivers/net/phy/phy_device.c
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@@ -3210,7 +3210,8 @@ static int phy_probe(struct device *dev)
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/* Get the LEDs from the device tree, and instantiate standard
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* LEDs for them.
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*/
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- err = of_phy_leds(phydev);
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+ if (IS_ENABLED(CONFIG_PHYLIB_LEDS))
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+ err = of_phy_leds(phydev);
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out:
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/* Re-assert the reset signal on error */
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