[PATCH 3/3] gpio: Change ISA_BUS_API dependency to selection

From: William Breathitt Gray
Date: Thu Dec 28 2017 - 11:02:33 EST


The ISA_BUS_API Kconfig option enables the compilation of the ISA bus
driver. The ISA bus driver does not perform any hardware interaction,
and is instead just a thin layer of software abstraction to eliminate
boilerplate code common to ISA-style device drivers. Since ISA_BUS_API
has no dependencies and does not jeopardize the integrity of the system
when enabled, drivers should select it when the ISA bus driver
functionality is needed.

Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
---
drivers/gpio/Kconfig | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 395669bfcc26..36ad9ce3dc58 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -590,7 +590,8 @@ menu "Port-mapped I/O GPIO drivers"

config GPIO_104_DIO_48E
tristate "ACCES 104-DIO-48E GPIO support"
- depends on PC104 && ISA_BUS_API
+ depends on PC104
+ select ISA_BUS_API
select GPIOLIB_IRQCHIP
help
Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
@@ -600,7 +601,8 @@ config GPIO_104_DIO_48E

config GPIO_104_IDIO_16
tristate "ACCES 104-IDIO-16 GPIO support"
- depends on PC104 && ISA_BUS_API
+ depends on PC104
+ select ISA_BUS_API
select GPIOLIB_IRQCHIP
help
Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
@@ -611,7 +613,8 @@ config GPIO_104_IDIO_16

config GPIO_104_IDI_48
tristate "ACCES 104-IDI-48 GPIO support"
- depends on PC104 && ISA_BUS_API
+ depends on PC104
+ select ISA_BUS_API
select GPIOLIB_IRQCHIP
help
Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
@@ -631,7 +634,8 @@ config GPIO_F7188X

config GPIO_GPIO_MM
tristate "Diamond Systems GPIO-MM GPIO support"
- depends on PC104 && ISA_BUS_API
+ depends on PC104
+ select ISA_BUS_API
help
Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.

@@ -700,7 +704,7 @@ config GPIO_TS5500

config GPIO_WS16C48
tristate "WinSystems WS16C48 GPIO support"
- depends on ISA_BUS_API
+ select ISA_BUS_API
select GPIOLIB_IRQCHIP
help
Enables GPIO support for the WinSystems WS16C48. The base port
--
2.15.1