blob: 27ae067d9000db704818f657ff3ffef99cd4e1dc (
plain)
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--- a/drivers/ata/pata_rb153_cf.c
+++ b/drivers/ata/pata_rb153_cf.c
@@ -68,20 +68,23 @@
rb153_pata_finish_io(ap);
}
-static void rb153_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
+static unsigned int rb153_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
unsigned int buflen, int write_data)
{
void __iomem *ioaddr = adev->link->ap->ioaddr.data_addr;
-
+ unsigned int t;
+
+ t = buflen;
if (write_data) {
- for (; buflen > 0; buflen--, buf++)
+ for (; t > 0; t--, buf++)
writeb(*buf, ioaddr);
} else {
- for (; buflen > 0; buflen--, buf++)
+ for (; t > 0; t--, buf++)
*buf = readb(ioaddr);
}
rb153_pata_finish_io(adev->link->ap);
+ return buflen;
}
static void rb153_pata_freeze(struct ata_port *ap)
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