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sh: machvec: Remove custom ioport_{un,}map()

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These functions were only used on the microdev board that is now gone,
so remove them to simplify the ioport handling. This could be further
simplified to use the generic I/O port accessors now.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20230914155523.3839811-4-arnd@kernel.org
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
This commit is contained in:
Arnd Bergmann 2023-09-14 17:55:23 +02:00 committed by John Paul Adrian Glaubitz
parent 8daaed7638
commit 4c02add1d9
3 changed files with 3 additions and 19 deletions
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4
arch/sh/include/asm/io.h
View File

@ -181,7 +181,7 @@ static inline void pfx##out##bwlq##p(type val, unsigned long port) \
{ \
volatile type *__addr; \
\
__addr = __ioport_map(port, sizeof(type)); \
__addr = (void __iomem *)sh_io_port_base + port; \
*__addr = val; \
slow; \
} \
@ -191,7 +191,7 @@ static inline type pfx##in##bwlq##p(unsigned long port) \
volatile type *__addr; \
type __val; \
\
__addr = __ioport_map(port, sizeof(type)); \
__addr = (void __iomem *)sh_io_port_base + port; \
__val = *__addr; \
slow; \
\

5
arch/sh/include/asm/machvec.h
View File

@ -19,11 +19,6 @@ struct sh_machine_vector {
int (*mv_irq_demux)(int irq);
void (*mv_init_irq)(void);
#ifdef CONFIG_HAS_IOPORT_MAP
void __iomem *(*mv_ioport_map)(unsigned long port, unsigned int size);
void (*mv_ioport_unmap)(void __iomem *);
#endif
int (*mv_clk_init)(void);
int (*mv_mode_pins)(void);

13
arch/sh/kernel/ioport.c
View File

@ -12,15 +12,6 @@
unsigned long sh_io_port_base __read_mostly = -1;
EXPORT_SYMBOL(sh_io_port_base);
void __iomem *__ioport_map(unsigned long addr, unsigned int size)
{
if (sh_mv.mv_ioport_map)
return sh_mv.mv_ioport_map(addr, size);
return (void __iomem *)(addr + sh_io_port_base);
}
EXPORT_SYMBOL(__ioport_map);
void __iomem *ioport_map(unsigned long port, unsigned int nr)
{
void __iomem *ret;
@ -29,13 +20,11 @@ void __iomem *ioport_map(unsigned long port, unsigned int nr)
if (ret)
return ret;
return __ioport_map(port, nr);
return (void __iomem *)(port + sh_io_port_base);
}
EXPORT_SYMBOL(ioport_map);
void ioport_unmap(void __iomem *addr)
{
if (sh_mv.mv_ioport_unmap)
sh_mv.mv_ioport_unmap(addr);
}
EXPORT_SYMBOL(ioport_unmap);