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From:   Sameer Pujar <spujar@nvidia.com>
To:     <linux@armlinux.org.uk>, <jhogan@kernel.org>
CC:     <thierry.reding@gmail.com>, <jonathanh@nvidia.com>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        Sameer Pujar <spujar@nvidia.com>
Subject: [PATCH] ARM: tegra: enforce PM requirement
Date:   Tue, 5 Feb 2019 16:46:58 +0530
Message-ID: <1549365418-26283-1-git-send-email-spujar@nvidia.com>
MIME-Version: 1.0
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Sender: linux-kernel-owner@vger.kernel.org
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Drivers need to handle !PM case with work arounds for managing clocks
and power explicitly, which is not really necessary when PM support on
tegra is in good shape. In fact ARM 64-bit tegra platforms enforce PM
support and there is no reason why this cannot be done for 32-bit.

This patch selects PM unconditionally and drivers can rely on runtime
PM framework for clock and power management.

Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
---
 arch/arm/mach-tegra/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 7f3b83e..51a8fa3 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -10,6 +10,7 @@ menuconfig ARCH_TEGRA
 	select HAVE_ARM_SCU if SMP
 	select HAVE_ARM_TWD if SMP
 	select PINCTRL
+	select PM
 	select PM_OPP
 	select ARCH_HAS_RESET_CONTROLLER
 	select RESET_CONTROLLER
-- 
2.7.4