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path: root/drivers/ata/pata_atiixp.c
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Diffstat (limited to 'drivers/ata/pata_atiixp.c')
-rw-r--r--drivers/ata/pata_atiixp.c32
1 files changed, 13 insertions, 19 deletions
diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c
index 0e2cde8f9973..506adde8ebb3 100644
--- a/drivers/ata/pata_atiixp.c
+++ b/drivers/ata/pata_atiixp.c
@@ -32,21 +32,6 @@ enum {
32 ATIIXP_IDE_UDMA_MODE = 0x56 32 ATIIXP_IDE_UDMA_MODE = 0x56
33}; 33};
34 34
35static int atiixp_pre_reset(struct ata_link *link, unsigned long deadline)
36{
37 struct ata_port *ap = link->ap;
38 static const struct pci_bits atiixp_enable_bits[] = {
39 { 0x48, 1, 0x01, 0x00 },
40 { 0x48, 1, 0x08, 0x00 }
41 };
42 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
43
44 if (!pci_test_config_bits(pdev, &atiixp_enable_bits[ap->port_no]))
45 return -ENOENT;
46
47 return ata_sff_prereset(link, deadline);
48}
49
50static int atiixp_cable_detect(struct ata_port *ap) 35static int atiixp_cable_detect(struct ata_port *ap)
51{ 36{
52 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 37 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
@@ -229,10 +214,9 @@ static struct ata_port_operations atiixp_port_ops = {
229 .cable_detect = atiixp_cable_detect, 214 .cable_detect = atiixp_cable_detect,
230 .set_piomode = atiixp_set_piomode, 215 .set_piomode = atiixp_set_piomode,
231 .set_dmamode = atiixp_set_dmamode, 216 .set_dmamode = atiixp_set_dmamode,
232 .prereset = atiixp_pre_reset,
233}; 217};
234 218
235static int atiixp_init_one(struct pci_dev *dev, const struct pci_device_id *id) 219static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
236{ 220{
237 static const struct ata_port_info info = { 221 static const struct ata_port_info info = {
238 .flags = ATA_FLAG_SLAVE_POSS, 222 .flags = ATA_FLAG_SLAVE_POSS,
@@ -241,8 +225,18 @@ static int atiixp_init_one(struct pci_dev *dev, const struct pci_device_id *id)
241 .udma_mask = 0x3F, 225 .udma_mask = 0x3F,
242 .port_ops = &atiixp_port_ops 226 .port_ops = &atiixp_port_ops
243 }; 227 };
244 const struct ata_port_info *ppi[] = { &info, NULL }; 228 static const struct pci_bits atiixp_enable_bits[] = {
245 return ata_pci_sff_init_one(dev, ppi, &atiixp_sht, NULL); 229 { 0x48, 1, 0x01, 0x00 },
230 { 0x48, 1, 0x08, 0x00 }
231 };
232 const struct ata_port_info *ppi[] = { &info, &info };
233 int i;
234
235 for (i = 0; i < 2; i++)
236 if (!pci_test_config_bits(pdev, &atiixp_enable_bits[i]))
237 ppi[i] = &ata_dummy_port_info;
238
239 return ata_pci_sff_init_one(pdev, ppi, &atiixp_sht, NULL);
246} 240}
247 241
248static const struct pci_device_id atiixp[] = { 242static const struct pci_device_id atiixp[] = {