target/linux/adm5120/patches-2.6.25/910-pata_rb153_cf_fix_compiler_warning.patch

   1 --- a/drivers/ata/pata_rb153_cf.c
   2 +++ b/drivers/ata/pata_rb153_cf.c
   3 @@ -68,20 +68,23 @@
   4         rb153_pata_finish_io(ap);
   5  }
   6
   7 -static void rb153_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
   8 +static unsigned int rb153_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
   9                                 unsigned int buflen, int write_data)
  10  {
  11         void __iomem *ioaddr = adev->link->ap->ioaddr.data_addr;
  12 -
  13 +       unsigned int t;
  14 +
  15 +       t = buflen;
  16         if (write_data) {
  17 -               for (; buflen > 0; buflen--, buf++)
  18 +               for (; t > 0; t--, buf++)
  19                         writeb(*buf, ioaddr);
  20         } else {
  21 -               for (; buflen > 0; buflen--, buf++)
  22 +               for (; t > 0; t--, buf++)
  23                         *buf = readb(ioaddr);
  24         }
  25
  26         rb153_pata_finish_io(adev->link->ap);
  27 +       return buflen;
  28  }
  29
  30  static void rb153_pata_freeze(struct ata_port *ap)