linux-kernel - [PATCH v4 3/4] mmc: select REGMAP_MMIO with MMC

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Message-ID: <20250915083317.2885761-4-mikko.rapeli@linaro.org>
Date: Mon, 15 Sep 2025 11:33:16 +0300
From: Mikko Rapeli <mikko.rapeli@...aro.org>
To: linux-pm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-mmc@...r.kernel.org
Cc: Ulf Hansson <ulf.hansson@...aro.org>,
	Mikko Rapeli <mikko.rapeli@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Binbin Zhou <zhoubinbin@...ngson.cn>
Subject: [PATCH v4 3/4] mmc: select REGMAP_MMIO with MMC_LOONGSON2

COMPILE_TEST with MMC_LOONGSON2 failed to link due to
undeclared dependency:

ERROR: modpost: "__devm_regmap_init_mmio_clk"
[drivers/mmc/host/loongson2-mmc.ko] undefined!

Fixes: 2115772014bd ("mmc: loongson2: Add Loongson-2K SD/SDIO controller driver")

Suggested-by: Arnd Bergmann <arnd@...db.de>
Suggested-by: Binbin Zhou <zhoubinbin@...ngson.cn>
Signed-off-by: Mikko Rapeli <mikko.rapeli@...aro.org>
---
 drivers/mmc/host/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index b14daa045eff9..394724dcee8f8 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -1116,6 +1116,7 @@ config MMC_LOONGSON2
 	tristate "Loongson-2K SD/SDIO/eMMC Host Interface support"
 	depends on LOONGARCH || COMPILE_TEST
 	depends on HAS_DMA
+	select REGMAP_MMIO
 	help
 	  This selects support for the SD/SDIO/eMMC Host Controller on
 	  Loongson-2K series CPUs.
-- 
2.34.1