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

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 <[e-mail]>
Reviewed-by: John Paul Adrian Glaubitz <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: John Paul Adrian Glaubitz <[e-mail]>

arch/sh/include/asm/io.h

···
 {									\
 	volatile type *__addr;						\
 									\
-	__addr = __ioport_map(port, sizeof(type));			\
+	__addr = (void __iomem *)sh_io_port_base + port;		\
 	*__addr = val;							\
 	slow;								\
 }									\
···
 	volatile type *__addr;						\
 	type __val;							\
 									\
-	__addr = __ioport_map(port, sizeof(type));			\
+	__addr = (void __iomem *)sh_io_port_base + port;		\
 	__val = *__addr;						\
 	slow;								\
 									\

arch/sh/include/asm/machvec.h

···
 	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);
 

arch/sh/kernel/ioport.c

···
 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;
···
 	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);