linux-kernel - [PATCH] PM: AVS: qcom-cpr: select CONFIG

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Message-Id: <20210920100226.1448267-1-arnd@kernel.org>
Date:   Mon, 20 Sep 2021 12:02:21 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Douglas Anderson <dianders@...omium.org>,
        Niklas Cassel <nks@...wful.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        John Stultz <john.stultz@...aro.org>,
        Lina Iyer <ilina@...eaurora.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] PM: AVS: qcom-cpr: select CONFIG_NVMEM

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

nvmem_cell_read_variable_le_u32 is only defined when CONFIG_NVMEM
is set, otherwise we end up with this build failure:

drivers/soc/qcom/cpr.c: In function 'cpr_populate_ring_osc_idx':
drivers/soc/qcom/cpr.c:814:23: error: implicit declaration of function 'nvmem_cell_read_variable_le_u32' [-Werror=implicit-function-declaration]
  814 |                 ret = nvmem_cell_read_variable_le_u32(drv->dev, fuses->ring_osc, &data);
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Select the framwork from Kconfig.

Fixes: 6feba6a62c57 ("PM: AVS: qcom-cpr: Use nvmem_cell_read_variable_le_u32()")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/soc/qcom/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
index 79b568f82a1c..faf372c0fc71 100644
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -29,6 +29,7 @@ config QCOM_COMMAND_DB
 config QCOM_CPR
 	tristate "QCOM Core Power Reduction (CPR) support"
 	depends on ARCH_QCOM && HAS_IOMEM
+	select NVMEM
 	select PM_OPP
 	select REGMAP
 	help
-- 
2.29.2