the PATA-port of SiS180 controller does not support a drive present status
in the pci configspace like the other SiS PATA controllers, check skipped.
Signed-off-by: Uwe Koziolek <uwe.koziolek@xxxxxxx>
--- a/drivers/ata/pata_sis.c 2007-06-05 22:17:10.000000000 +0200
+++ b/drivers/ata/pata_sis.c 2007-06-06 00:06:08.000000000 +0200
@@ -130,6 +130,20 @@
/**
+ * sis_enables_supported - Check if enable_bits are supported
+ * @pdev: pci device
+ *
+ * The combined PATA/SATA controller SiS180 does not support
+ * the enable_bits in the PCI configspace
+ */
+
+static inline int sis_enables_supported(struct pci_dev *pdev)
+{
+ return ((pdev->device != 0x0180) && (pdev->device != 0x0181));
+}
+
+
+/**
* sis_pre_reset - probe begin
* @ap: ATA port
* @deadline: deadline jiffies for the operation
@@ -146,7 +160,8 @@
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no]))
+ if (sis_enables_supported(pdev) &&
+ !pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap, deadline);
-
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