[PATCH] HPT37x: read f_CNT saved by BIOS from port

[linux-2.6-omap-h63xx.git] / drivers / ide / pci / hpt366.c

diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 9fd50801d3822e0cd8a2bdbfa186d48be4c76d95..08119da06d54d0dec32b038f1dc5ad23c385a448 100644 (file)
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -1035,14 +1035,14 @@ static void __devinit hpt37x_clocking(ide_hwif_t *hwif)
         * First try reading the register in which the HighPoint BIOS
         * saves f_CNT value before  reprogramming the DPLL from its
         * default setting (which differs for the various chips).
+        * NOTE: This register is only accessible via I/O space.
+        *
         * In case the signature check fails, we'll have to resort to
         * reading the f_CNT register itself in hopes that nobody has
         * touched the DPLL yet...
         */
-       pci_read_config_dword(dev, 0x70, &temp);
+       temp = inl(pci_resource_start(dev, 4) + 0x90);
        if ((temp & 0xFFFFF000) != 0xABCDE000) {
-               int i;
-
                printk(KERN_WARNING "HPT37X: no clock data saved by BIOS\n");
 
                /* Calculate the average value of f_CNT */