linux-kernel - [PATCH 09/21] mfd: remove unneeded 'fast_io' parameter in regmap

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Message-ID: <20250813161517.4746-10-wsa+renesas@sang-engineering.com>
Date: Wed, 13 Aug 2025 18:14:55 +0200
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: linux-kernel@...r.kernel.org
Cc: Mark Brown <broonie@...nel.org>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Lee Jones <lee@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Fabrice Gasnier <fabrice.gasnier@...s.st.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-stm32@...md-mailman.stormreply.com,
	linux-sunxi@...ts.linux.dev
Subject: [PATCH 09/21] mfd: remove unneeded 'fast_io' parameter in regmap_config

When using MMIO with regmap, fast_io is implied. No need to set it
again.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
No dependencies, can be applied directly to the subsystem tree. Buildbot is
happy, too.

 drivers/mfd/exynos-lpass.c    | 1 -
 drivers/mfd/fsl-imx25-tsadc.c | 1 -
 drivers/mfd/stm32-lptimer.c   | 1 -
 drivers/mfd/sun4i-gpadc.c     | 1 -
 4 files changed, 4 deletions(-)

diff --git a/drivers/mfd/exynos-lpass.c b/drivers/mfd/exynos-lpass.c
index 44797001a432..9bb2687c2835 100644
--- a/drivers/mfd/exynos-lpass.c
+++ b/drivers/mfd/exynos-lpass.c
@@ -101,7 +101,6 @@ static const struct regmap_config exynos_lpass_reg_conf = {
 	.reg_stride	= 4,
 	.val_bits	= 32,
 	.max_register	= 0xfc,
-	.fast_io	= true,
 };
 
 static void exynos_lpass_disable_lpass(void *data)
diff --git a/drivers/mfd/fsl-imx25-tsadc.c b/drivers/mfd/fsl-imx25-tsadc.c
index 0aab6428e042..467b1a23faeb 100644
--- a/drivers/mfd/fsl-imx25-tsadc.c
+++ b/drivers/mfd/fsl-imx25-tsadc.c
@@ -17,7 +17,6 @@
 #include <linux/regmap.h>
 
 static const struct regmap_config mx25_tsadc_regmap_config = {
-	.fast_io = true,
 	.max_register = 8,
 	.reg_bits = 32,
 	.val_bits = 32,
diff --git a/drivers/mfd/stm32-lptimer.c b/drivers/mfd/stm32-lptimer.c
index 09073dbc9c80..123659178cc2 100644
--- a/drivers/mfd/stm32-lptimer.c
+++ b/drivers/mfd/stm32-lptimer.c
@@ -19,7 +19,6 @@ static const struct regmap_config stm32_lptimer_regmap_cfg = {
 	.val_bits = 32,
 	.reg_stride = sizeof(u32),
 	.max_register = STM32_LPTIM_MAX_REGISTER,
-	.fast_io = true,
 };
 
 static int stm32_lptimer_detect_encoder(struct stm32_lptimer *ddata)
diff --git a/drivers/mfd/sun4i-gpadc.c b/drivers/mfd/sun4i-gpadc.c
index 3029d48e982c..bf2f6fdaf8bf 100644
--- a/drivers/mfd/sun4i-gpadc.c
+++ b/drivers/mfd/sun4i-gpadc.c
@@ -72,7 +72,6 @@ static const struct regmap_config sun4i_gpadc_regmap_config = {
 	.reg_bits = 32,
 	.val_bits = 32,
 	.reg_stride = 4,
-	.fast_io = true,
 };
 
 static const struct of_device_id sun4i_gpadc_of_match[] = {
-- 
2.47.2