ISA: fix ram_address() to use phys_addr_t for completeness

I don't know of any driver actually making use of it, but some weird
architecture might want to emulate an ISA bus to reuse a driver maybe...

headers/os/drivers/ISA.h

@@ -48,7 +48,7 @@ typedef struct isa_module_info {
 	uint32			(*read_io_32) (int mapped_io_addr);
 	void			(*write_io_32) (int mapped_io_addr, uint32 value);
 
-	void *			(*ram_address) (const void *physical_address_in_system_memory);
+	phys_addr_t		(*ram_address) (phys_addr_t physical_address_in_system_memory);
 
 	long			(*make_isa_dma_table) (
 							const void		*buffer,		/* buffer to make a table for */

headers/os/drivers/bus/ISA.h

@@ -46,7 +46,7 @@ typedef struct isa2_module_info {
 	void (*write_io_32)(int mapped_io_addr, uint32 value);
 
 	// don't know what it's for, remains for compatibility
-	void *(*ram_address)(const void *physical_address_in_system_memory);
+	phys_addr_t (*ram_address)(phys_addr_t physical_address_in_system_memory);
 
 	// start dma transfer (scattered DMA is not supported as it's EISA specific)
 	status_t (*start_isa_dma)(

src/add-ons/kernel/bus_managers/isa/arch/arm/isa_controller.c

@@ -69,11 +69,11 @@ arch_isa_write_io_32(int mapped_io_addr, uint32 value)
 }
 
 
-void *
-arch_isa_ram_address(const void *physical_address_in_system_memory)
+phys_addr_t
+arch_isa_ram_address(phys_addr_t physical_address_in_system_memory)
 {
 	// this is what the BeOS kernel does
-	return (void *)physical_address_in_system_memory;
+	return physical_address_in_system_memory;
 }
 
 

src/add-ons/kernel/bus_managers/isa/arch/m68k/isa_controller.c

@@ -69,11 +69,11 @@ arch_isa_write_io_32(int mapped_io_addr, uint32 value)
 }
 
 
-void *
-arch_isa_ram_address(const void *physical_address_in_system_memory)
+phys_addr_t
+arch_isa_ram_address(phys_addr_t physical_address_in_system_memory)
 {
 	// this is what the BeOS kernel does
-	return (void *)physical_address_in_system_memory;
+	return physical_address_in_system_memory;
 }
 
 

src/add-ons/kernel/bus_managers/isa/arch/ppc/isa_controller.c

@@ -70,11 +70,11 @@ arch_isa_write_io_32(int mapped_io_addr, uint32 value)
 }
 
 
-void *
-arch_isa_ram_address(const void *physical_address_in_system_memory)
+phys_addr_t
+arch_isa_ram_address(phys_addr_t physical_address_in_system_memory)
 {
 	// this is what the BeOS kernel does
-	return (void *)physical_address_in_system_memory;
+	return physical_address_in_system_memory;
 }
 
 

src/add-ons/kernel/bus_managers/isa/arch/x86/isa_controller.cpp

@@ -69,11 +69,11 @@ arch_isa_write_io_32(int mapped_io_addr, uint32 value)
 }
 
 
-void *
-arch_isa_ram_address(const void *physical_address_in_system_memory)
+phys_addr_t
+arch_isa_ram_address(phys_addr_t physical_address_in_system_memory)
 {
 	// this is what the BeOS kernel does
-	return (void *)physical_address_in_system_memory;
+	return physical_address_in_system_memory;
 }
 
 

src/add-ons/kernel/bus_managers/isa/isa_arch.h

@@ -24,7 +24,7 @@ extern uint16 arch_isa_read_io_16(int mapped_io_addr);
 extern void arch_isa_write_io_16(int mapped_io_addr, uint16 value);
 extern uint32 arch_isa_read_io_32(int mapped_io_addr);
 extern void arch_isa_write_io_32(int mapped_io_addr, uint32 value);
-extern void *arch_isa_ram_address(const void *);
+extern phys_addr_t arch_isa_ram_address(phys_addr_t);
 extern status_t arch_start_isa_dma(long channel, void *buf,
 								   long transfer_count,
 								   uchar mode, uchar e_mode);