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

   1 Index: linux-2.6.25.1/drivers/ata/pata_rb153_cf.c
   2 ===================================================================
   3 --- linux-2.6.25.1.orig/drivers/ata/pata_rb153_cf.c
   4 +++ linux-2.6.25.1/drivers/ata/pata_rb153_cf.c
   5 @@ -68,20 +68,23 @@ static void rb153_pata_exec_command(stru
   6         rb153_pata_finish_io(ap);
   7  }
   8
   9 -static void rb153_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
  10 +static unsigned int rb153_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
  11                                 unsigned int buflen, int write_data)
  12  {
  13         void __iomem *ioaddr = adev->link->ap->ioaddr.data_addr;
  14 -
  15 +       unsigned int t;
  16 +
  17 +       t = buflen;
  18         if (write_data) {
  19 -               for (; buflen > 0; buflen--, buf++)
  20 +               for (; t > 0; t--, buf++)
  21                         writeb(*buf, ioaddr);
  22         } else {
  23 -               for (; buflen > 0; buflen--, buf++)
  24 +               for (; t > 0; t--, buf++)
  25                         *buf = readb(ioaddr);
  26         }
  27
  28         rb153_pata_finish_io(adev->link->ap);
  29 +       return buflen;
  30  }
  31
  32  static void rb153_pata_freeze(struct ata_port *ap)