linux-kernel - [PATCH] drivers: Let several drivers depends on HAS_IOMEM for 'devm_ioremap

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Date:	Sun, 13 Jul 2014 11:07:10 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	gregkh@...uxfoundation.org
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	dmitry.torokhov@...il.com, thierry.reding@...il.com,
	jic23@...nel.org, wim@...ana.be, benh@...nel.crashing.org,
	kys@...rosoft.com, schwidefsky@...ibm.com, teg@...m.no,
	Mischa.Jonker@...opsys.com, msalter@...hat.com, lars@...afoo.de,
	richard@....at, knaack.h@....de, marex@...x.de,
	rdunlap@...radead.org, linux-input@...r.kernel.org,
	linux-pwm@...r.kernel.org, linux-iio@...r.kernel.org,
	devel@...verdev.osuosl.org, linux-watchdog@...r.kernel.org,
	Liqin Chen <liqin.linux@...il.com>,
	Lennox Wu <lennox.wu@...il.com>
Subject: [PATCH] drivers: Let several drivers depends on HAS_IOMEM for 'devm_ioremap_resource'

Several drivers need 'devm_ioremap_resource' which need HAS_IOMEM enabled.
So let them depend on HAS_IOMEM.

The related error (with allmodconfig under score):

    MODPOST 1365 modules
  ERROR: "devm_ioremap_resource" [drivers/watchdog/tegra_wdt.ko] undefined!
  ERROR: "devm_ioremap_resource" [drivers/watchdog/of_xilinx_wdt.ko] undefined!
  ERROR: "devm_ioremap_resource" [drivers/staging/iio/adc/mxs-lradc.ko] undefined!
  ERROR: "devm_ioremap_resource" [drivers/pwm/pwm-clps711x.ko] undefined!
  ERROR: "devm_ioremap_resource" [drivers/input/serio/olpc_apsp.ko] undefined!
  ERROR: "devm_ioremap_resource" [drivers/input/serio/arc_ps2.ko] undefined!


Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 drivers/input/serio/Kconfig     | 3 ++-
 drivers/pwm/Kconfig             | 2 +-
 drivers/staging/iio/adc/Kconfig | 2 +-
 drivers/watchdog/Kconfig        | 3 ++-
 4 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
index bc2d474..449d45f 100644
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -244,6 +244,7 @@ config SERIO_PS2MULT
 
 config SERIO_ARC_PS2
 	tristate "ARC PS/2 support"
+	depends on HAS_IOMEM
 	help
 	  Say Y here if you have an ARC FPGA platform with a PS/2
 	  controller in it.
@@ -263,7 +264,7 @@ config SERIO_APBPS2
 
 config SERIO_OLPC_APSP
 	tristate "OLPC AP-SP input support"
-	depends on OLPC || COMPILE_TEST
+	depends on (OLPC || COMPILE_TEST) && HAS_IOMEM
 	help
 	  Say Y here if you want support for the keyboard and touchpad included
 	  in the OLPC XO-1.75 and XO-4 laptops.
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index 4ad7b89..2faf5ce 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -82,7 +82,7 @@ config PWM_BFIN
 
 config PWM_CLPS711X
 	tristate "CLPS711X PWM support"
-	depends on ARCH_CLPS711X || COMPILE_TEST
+	depends on (ARCH_CLPS711X || COMPILE_TEST) && HAS_IOMEM
 	help
 	  Generic PWM framework driver for Cirrus Logic CLPS711X.
 
diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig
index b87e382..4e927d2 100644
--- a/drivers/staging/iio/adc/Kconfig
+++ b/drivers/staging/iio/adc/Kconfig
@@ -94,7 +94,7 @@ config LPC32XX_ADC
 
 config MXS_LRADC
 	tristate "Freescale i.MX23/i.MX28 LRADC"
-	depends on ARCH_MXS || COMPILE_TEST
+	depends on (ARCH_MXS || COMPILE_TEST) && HAS_IOMEM
 	depends on INPUT
 	select STMP_DEVICE
 	select IIO_BUFFER
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 76dd541..0e4abb2 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -113,6 +113,7 @@ config WM8350_WATCHDOG
 
 config XILINX_WATCHDOG
 	tristate "Xilinx Watchdog timer"
+	depends on HAS_IOMEM
 	select WATCHDOG_CORE
 	help
 	  Watchdog driver for the xps_timebase_wdt ip core.
@@ -434,7 +435,7 @@ config SIRFSOC_WATCHDOG
 
 config TEGRA_WATCHDOG
 	tristate "Tegra watchdog"
-	depends on ARCH_TEGRA || COMPILE_TEST
+	depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM
 	select WATCHDOG_CORE
 	help
 	  Say Y here to include support for the watchdog timer
-- 
1.7.11.7
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