linux-kernel - [PATCH v1] memory: tegra210-emc: Make driver dependent on OF_RESERVED

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Date:   Fri, 11 Jun 2021 18:42:06 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc:     linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: [PATCH v1] memory: tegra210-emc: Make driver dependent on OF_RESERVED_MEM

Tegra210 EMC driver requires OF_RESERVED_MEM to be enabled in order
to be useful at runtime. The OF_RESERVED_MEM is enabled by default in
defconfig, but it could disabled manually, breaking functionality of
the driver. Make driver dependent on OF_RESERVED_MEM Kconfig option,
for clarity.

Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 drivers/memory/tegra/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/memory/tegra/Kconfig b/drivers/memory/tegra/Kconfig
index f9bae36c03a3..17053eaf87b9 100644
--- a/drivers/memory/tegra/Kconfig
+++ b/drivers/memory/tegra/Kconfig
@@ -51,7 +51,7 @@ config TEGRA210_EMC_TABLE
 
 config TEGRA210_EMC
 	tristate "NVIDIA Tegra210 External Memory Controller driver"
-	depends on ARCH_TEGRA_210_SOC || COMPILE_TEST
+	depends on (ARCH_TEGRA_210_SOC && OF_RESERVED_MEM) || COMPILE_TEST
 	select TEGRA210_EMC_TABLE
 	help
 	  This driver is for the External Memory Controller (EMC) found on
-- 
2.30.2