USB: host: mark const variable tables as "const"
authorMing Lei <tom.leiming@gmail.com>
Sun, 8 Jun 2008 08:13:03 +0000 (16:13 +0800)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 21 Jul 2008 22:16:29 +0000 (15:16 -0700)
Mark the tables as const so that they end up in .rodata
section and don't cacheline share with things that get
written to.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Cc: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/host/r8a66597-hcd.c

index 16667342b3c324f694300c54d3d3532674c417c5..a93d80b569744cc2e32edc009f6fb42792960b87 100644 (file)
@@ -312,9 +312,9 @@ static void put_child_connect_map(struct r8a66597 *r8a66597, int address)
 static void set_pipe_reg_addr(struct r8a66597_pipe *pipe, u8 dma_ch)
 {
        u16 pipenum = pipe->info.pipenum;
-       unsigned long fifoaddr[] = {D0FIFO, D1FIFO, CFIFO};
-       unsigned long fifosel[] = {D0FIFOSEL, D1FIFOSEL, CFIFOSEL};
-       unsigned long fifoctr[] = {D0FIFOCTR, D1FIFOCTR, CFIFOCTR};
+       const unsigned long fifoaddr[] = {D0FIFO, D1FIFO, CFIFO};
+       const unsigned long fifosel[] = {D0FIFOSEL, D1FIFOSEL, CFIFOSEL};
+       const unsigned long fifoctr[] = {D0FIFOCTR, D1FIFOCTR, CFIFOCTR};
 
        if (dma_ch > R8A66597_PIPE_NO_DMA)      /* dma fifo not use? */
                dma_ch = R8A66597_PIPE_NO_DMA;