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path: root/drivers/ide/ide-generic.c
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Diffstat (limited to 'drivers/ide/ide-generic.c')
-rw-r--r--drivers/ide/ide-generic.c51
1 files changed, 12 insertions, 39 deletions
diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c
index 0a3cb0c33ae5..81a5282ce1eb 100644
--- a/drivers/ide/ide-generic.c
+++ b/drivers/ide/ide-generic.c
@@ -137,15 +137,10 @@ static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary)
137 137
138static int __init ide_generic_init(void) 138static int __init ide_generic_init(void)
139{ 139{
140 hw_regs_t hw[MAX_HWIFS], *hws[MAX_HWIFS]; 140 hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
141 struct ide_host *host;
142 unsigned long io_addr; 141 unsigned long io_addr;
143 int i, rc, primary = 0, secondary = 0; 142 int i, rc = 0, primary = 0, secondary = 0;
144 143
145#ifdef CONFIG_MIPS
146 if (!ide_probe_legacy())
147 return -ENODEV;
148#endif
149 ide_generic_check_pci_legacy_iobases(&primary, &secondary); 144 ide_generic_check_pci_legacy_iobases(&primary, &secondary);
150 145
151 if (!probe_mask) { 146 if (!probe_mask) {
@@ -161,13 +156,9 @@ static int __init ide_generic_init(void)
161 printk(KERN_INFO DRV_NAME ": enforcing probing of I/O ports " 156 printk(KERN_INFO DRV_NAME ": enforcing probing of I/O ports "
162 "upon user request\n"); 157 "upon user request\n");
163 158
164 memset(hws, 0, sizeof(hw_regs_t *) * MAX_HWIFS);
165
166 for (i = 0; i < ARRAY_SIZE(legacy_bases); i++) { 159 for (i = 0; i < ARRAY_SIZE(legacy_bases); i++) {
167 io_addr = legacy_bases[i]; 160 io_addr = legacy_bases[i];
168 161
169 hws[i] = NULL;
170
171 if ((probe_mask & (1 << i)) && io_addr) { 162 if ((probe_mask & (1 << i)) && io_addr) {
172 if (!request_region(io_addr, 8, DRV_NAME)) { 163 if (!request_region(io_addr, 8, DRV_NAME)) {
173 printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX " 164 printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX "
@@ -184,45 +175,27 @@ static int __init ide_generic_init(void)
184 continue; 175 continue;
185 } 176 }
186 177
187 memset(&hw[i], 0, sizeof(hw[i])); 178 memset(&hw, 0, sizeof(hw));
188 ide_std_init_ports(&hw[i], io_addr, io_addr + 0x206); 179 ide_std_init_ports(&hw, io_addr, io_addr + 0x206);
189#ifdef CONFIG_IA64 180#ifdef CONFIG_IA64
190 hw[i].irq = isa_irq_to_vector(legacy_irqs[i]); 181 hw.irq = isa_irq_to_vector(legacy_irqs[i]);
191#else 182#else
192 hw[i].irq = legacy_irqs[i]; 183 hw.irq = legacy_irqs[i];
193#endif 184#endif
194 hw[i].chipset = ide_generic; 185 hw.chipset = ide_generic;
195 186
196 hws[i] = &hw[i]; 187 rc = ide_host_add(NULL, hws, NULL);
188 if (rc) {
189 release_region(io_addr + 0x206, 1);
190 release_region(io_addr, 8);
191 }
197 } 192 }
198 } 193 }
199 194
200 host = ide_host_alloc_all(NULL, hws);
201 if (host == NULL) {
202 rc = -ENOMEM;
203 goto err;
204 }
205
206 rc = ide_host_register(host, NULL, hws);
207 if (rc)
208 goto err_free;
209
210 if (ide_generic_sysfs_init()) 195 if (ide_generic_sysfs_init())
211 printk(KERN_ERR DRV_NAME ": failed to create ide_generic " 196 printk(KERN_ERR DRV_NAME ": failed to create ide_generic "
212 "class\n"); 197 "class\n");
213 198
214 return 0;
215err_free:
216 ide_host_free(host);
217err:
218 for (i = 0; i < MAX_HWIFS; i++) {
219 if (hws[i] == NULL)
220 continue;
221
222 io_addr = hws[i]->io_ports.data_addr;
223 release_region(io_addr + 0x206, 1);
224 release_region(io_addr, 8);
225 }
226 return rc; 199 return rc;
227} 200}
228 201