linux-kernel - [PATCH 4.9 135/145] arm64: sunxi: always enable reset controller

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Date:   Fri, 23 Feb 2018 19:27:21 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH 4.9 135/145] arm64: sunxi: always enable reset controller

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@...db.de>

commit 900a9020af7a023f9b64c919fddf8a7486108962 upstream.

The sunxi clk driver causes a link error when the reset controller
subsystem is disabled:

drivers/clk/built-in.o: In function `sun4i_ve_clk_setup':
:(.init.text+0xd040): undefined reference to `reset_controller_register'
drivers/clk/built-in.o: In function `sun4i_a10_display_init':
:(.init.text+0xe5e0): undefined reference to `reset_controller_register'
drivers/clk/built-in.o: In function `sunxi_usb_clk_setup':
:(.init.text+0x10074): undefined reference to `reset_controller_register'

We already force it to be enabled on arm32 and some other arm64 platforms,
but not on arm64/sunxi. This adds the respective Kconfig statements to
also select it here.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Acked-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
[arnd: manually rebased to 4.9]
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/arm64/Kconfig.platforms |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -2,9 +2,11 @@ menu "Platform selection"
 
 config ARCH_SUNXI
 	bool "Allwinner sunxi 64-bit SoC Family"
+	select ARCH_HAS_RESET_CONTROLLER
 	select GENERIC_IRQ_CHIP
 	select PINCTRL
 	select PINCTRL_SUN50I_A64
+	select RESET_CONTROLLER
 	help
 	  This enables support for Allwinner sunxi based SoCs like the A64.