Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

[PATCH] m68k/Apollo: Remove obsolete arch/m68k/apollo/dma.c

Remove unused arch/m68k/apollo/dma.c, which was obsoleted by the move to the
generic DMA API.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

authored by

Geert Uytterhoeven and committed by
Linus Torvalds
2ed0ce5b 69961c37

-50
-50
arch/m68k/apollo/dma.c
··· 1 - #include <linux/types.h> 2 - #include <linux/kernel.h> 3 - #include <linux/mm.h> 4 - #include <linux/kd.h> 5 - #include <linux/tty.h> 6 - #include <linux/console.h> 7 - 8 - #include <asm/setup.h> 9 - #include <asm/bootinfo.h> 10 - #include <asm/system.h> 11 - #include <asm/pgtable.h> 12 - #include <asm/apollodma.h> 13 - #include <asm/io.h> 14 - 15 - /* note only works for 16 Bit 1 page DMA's */ 16 - 17 - static unsigned short next_free_xlat_entry=0; 18 - 19 - unsigned short dma_map_page(unsigned long phys_addr,int count,int type) { 20 - 21 - unsigned long page_aligned_addr=phys_addr & (~((1<<12)-1)); 22 - unsigned short start_map_addr=page_aligned_addr >> 10; 23 - unsigned short free_xlat_entry, *xlat_map_entry; 24 - int i; 25 - 26 - free_xlat_entry=next_free_xlat_entry; 27 - for(i=0,xlat_map_entry=addr_xlat_map+(free_xlat_entry<<2);i<8;i++,xlat_map_entry++) { 28 - #if 0 29 - printk("phys_addr: %x, page_aligned_addr: %x, start_map_addr: %x\n",phys_addr,page_aligned_addr,start_map_addr+i); 30 - #endif 31 - out_be16(xlat_map_entry, start_map_addr+i); 32 - } 33 - 34 - next_free_xlat_entry+=2; 35 - if(next_free_xlat_entry>125) 36 - next_free_xlat_entry=0; 37 - 38 - #if 0 39 - printk("next_free_xlat_entry: %d\n",next_free_xlat_entry); 40 - #endif 41 - 42 - return free_xlat_entry<<10; 43 - } 44 - 45 - void dma_unmap_page(unsigned short dma_addr) { 46 - 47 - return ; 48 - 49 - } 50 -