[PATCH v3 21/38] parport: PC style parport depends on HAS_IOPORT

Niklas Schnelle
2023-03-14T12:15:41Z

In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
not being declared. As PC style parport uses these functions we need to
handle this dependency.

Co-developed-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
---
drivers/parport/Kconfig | 4 ++--
include/linux/parport.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/parport/Kconfig b/drivers/parport/Kconfig
index 5561362224e2..5c471c73629f 100644
--- a/drivers/parport/Kconfig
+++ b/drivers/parport/Kconfig
@@ -14,7 +14,6 @@ config ARCH_MIGHT_HAVE_PC_PARPORT

menuconfig PARPORT
tristate "Parallel port support"
- depends on HAS_IOMEM
help
If you want to use devices connected to your machine's parallel port
(the connector at the computer with 25 holes), e.g. printer, ZIP
@@ -42,7 +41,8 @@ if PARPORT

config PARPORT_PC
tristate "PC-style hardware"
- depends on ARCH_MIGHT_HAVE_PC_PARPORT || (PCI && !S390)
+ depends on ARCH_MIGHT_HAVE_PC_PARPORT
+ depends on HAS_IOPORT
help
You should say Y here if you have a PC-style parallel port. All
IBM PC compatible computers and some Alphas have PC-style
diff --git a/include/linux/parport.h b/include/linux/parport.h
index a0bc9e0267b7..fff39bc30629 100644
--- a/include/linux/parport.h
+++ b/include/linux/parport.h
@@ -514,7 +514,7 @@ extern int parport_device_proc_register(struct pardevice *device);
extern int parport_device_proc_unregister(struct pardevice *device);

/* If PC hardware is the only type supported, we can optimise a bit. */
-#if !defined(CONFIG_PARPORT_NOT_PC)
+#if !defined(CONFIG_PARPORT_NOT_PC) && defined(CONFIG_PARPORT_PC)

#include <linux/parport_pc.h>
#define parport_write_data(p,x) parport_pc_write_data(p,x)
--
2.37.2