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-rw-r--r--drivers/edac/r82600_edac.c55
1 files changed, 27 insertions, 28 deletions
diff --git a/drivers/edac/r82600_edac.c b/drivers/edac/r82600_edac.c
index 4285958c73b7..18206ce28d14 100644
--- a/drivers/edac/r82600_edac.c
+++ b/drivers/edac/r82600_edac.c
@@ -133,8 +133,8 @@ struct r82600_error_info {
133 133
134static unsigned int disable_hardware_scrub = 0; 134static unsigned int disable_hardware_scrub = 0;
135 135
136static void r82600_get_error_info (struct mem_ctl_info *mci, 136static void r82600_get_error_info(struct mem_ctl_info *mci,
137 struct r82600_error_info *info) 137 struct r82600_error_info *info)
138{ 138{
139 struct pci_dev *pdev; 139 struct pci_dev *pdev;
140 140
@@ -144,18 +144,19 @@ static void r82600_get_error_info (struct mem_ctl_info *mci,
144 if (info->eapr & BIT(0)) 144 if (info->eapr & BIT(0))
145 /* Clear error to allow next error to be reported [p.62] */ 145 /* Clear error to allow next error to be reported [p.62] */
146 pci_write_bits32(pdev, R82600_EAP, 146 pci_write_bits32(pdev, R82600_EAP,
147 ((u32) BIT(0) & (u32) BIT(1)), 147 ((u32) BIT(0) & (u32) BIT(1)),
148 ((u32) BIT(0) & (u32) BIT(1))); 148 ((u32) BIT(0) & (u32) BIT(1)));
149 149
150 if (info->eapr & BIT(1)) 150 if (info->eapr & BIT(1))
151 /* Clear error to allow next error to be reported [p.62] */ 151 /* Clear error to allow next error to be reported [p.62] */
152 pci_write_bits32(pdev, R82600_EAP, 152 pci_write_bits32(pdev, R82600_EAP,
153 ((u32) BIT(0) & (u32) BIT(1)), 153 ((u32) BIT(0) & (u32) BIT(1)),
154 ((u32) BIT(0) & (u32) BIT(1))); 154 ((u32) BIT(0) & (u32) BIT(1)));
155} 155}
156 156
157static int r82600_process_error_info (struct mem_ctl_info *mci, 157static int r82600_process_error_info(struct mem_ctl_info *mci,
158 struct r82600_error_info *info, int handle_errors) 158 struct r82600_error_info *info,
159 int handle_errors)
159{ 160{
160 int error_found; 161 int error_found;
161 u32 eapaddr, page; 162 u32 eapaddr, page;
@@ -172,25 +173,23 @@ static int r82600_process_error_info (struct mem_ctl_info *mci,
172 * granularity (upper 19 bits only) */ 173 * granularity (upper 19 bits only) */
173 page = eapaddr >> PAGE_SHIFT; 174 page = eapaddr >> PAGE_SHIFT;
174 175
175 if (info->eapr & BIT(0)) { /* CE? */ 176 if (info->eapr & BIT(0)) { /* CE? */
176 error_found = 1; 177 error_found = 1;
177 178
178 if (handle_errors) 179 if (handle_errors)
179 edac_mc_handle_ce(mci, page, 0, /* not avail */ 180 edac_mc_handle_ce(mci, page, 0, /* not avail */
180 syndrome, 181 syndrome, edac_mc_find_csrow_by_page(mci, page), 0, /* channel */
181 edac_mc_find_csrow_by_page(mci, page), 182 mci->ctl_name);
182 0, /* channel */
183 mci->ctl_name);
184 } 183 }
185 184
186 if (info->eapr & BIT(1)) { /* UE? */ 185 if (info->eapr & BIT(1)) { /* UE? */
187 error_found = 1; 186 error_found = 1;
188 187
189 if (handle_errors) 188 if (handle_errors)
190 /* 82600 doesn't give enough info */ 189 /* 82600 doesn't give enough info */
191 edac_mc_handle_ue(mci, page, 0, 190 edac_mc_handle_ue(mci, page, 0,
192 edac_mc_find_csrow_by_page(mci, page), 191 edac_mc_find_csrow_by_page(mci, page),
193 mci->ctl_name); 192 mci->ctl_name);
194 } 193 }
195 194
196 return error_found; 195 return error_found;
@@ -211,11 +210,11 @@ static inline int ecc_enabled(u8 dramcr)
211} 210}
212 211
213static void r82600_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev, 212static void r82600_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
214 u8 dramcr) 213 u8 dramcr)
215{ 214{
216 struct csrow_info *csrow; 215 struct csrow_info *csrow;
217 int index; 216 int index;
218 u8 drbar; /* SDRAM Row Boundry Address Register */ 217 u8 drbar; /* SDRAM Row Boundry Address Register */
219 u32 row_high_limit, row_high_limit_last; 218 u32 row_high_limit, row_high_limit_last;
220 u32 reg_sdram, ecc_on, row_base; 219 u32 reg_sdram, ecc_on, row_base;
221 220
@@ -309,12 +308,12 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
309 mci->edac_check = r82600_check; 308 mci->edac_check = r82600_check;
310 mci->ctl_page_to_phys = NULL; 309 mci->ctl_page_to_phys = NULL;
311 r82600_init_csrows(mci, pdev, dramcr); 310 r82600_init_csrows(mci, pdev, dramcr);
312 r82600_get_error_info(mci, &discard); /* clear counters */ 311 r82600_get_error_info(mci, &discard); /* clear counters */
313 312
314 /* Here we assume that we will never see multiple instances of this 313 /* Here we assume that we will never see multiple instances of this
315 * type of memory controller. The ID is therefore hardcoded to 0. 314 * type of memory controller. The ID is therefore hardcoded to 0.
316 */ 315 */
317 if (edac_mc_add_mc(mci,0)) { 316 if (edac_mc_add_mc(mci, 0)) {
318 debugf3("%s(): failed edac_mc_add_mc()\n", __func__); 317 debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
319 goto fail; 318 goto fail;
320 } 319 }
@@ -330,14 +329,14 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
330 debugf3("%s(): success\n", __func__); 329 debugf3("%s(): success\n", __func__);
331 return 0; 330 return 0;
332 331
333fail: 332 fail:
334 edac_mc_free(mci); 333 edac_mc_free(mci);
335 return -ENODEV; 334 return -ENODEV;
336} 335}
337 336
338/* returns count (>= 0), or negative on error */ 337/* returns count (>= 0), or negative on error */
339static int __devinit r82600_init_one(struct pci_dev *pdev, 338static int __devinit r82600_init_one(struct pci_dev *pdev,
340 const struct pci_device_id *ent) 339 const struct pci_device_id *ent)
341{ 340{
342 debugf0("%s()\n", __func__); 341 debugf0("%s()\n", __func__);
343 342
@@ -359,11 +358,11 @@ static void __devexit r82600_remove_one(struct pci_dev *pdev)
359 358
360static const struct pci_device_id r82600_pci_tbl[] __devinitdata = { 359static const struct pci_device_id r82600_pci_tbl[] __devinitdata = {
361 { 360 {
362 PCI_DEVICE(PCI_VENDOR_ID_RADISYS, R82600_BRIDGE_ID) 361 PCI_DEVICE(PCI_VENDOR_ID_RADISYS, R82600_BRIDGE_ID)
363 }, 362 },
364 { 363 {
365 0, 364 0,
366 } /* 0 terminated list. */ 365 } /* 0 terminated list. */
367}; 366};
368 367
369MODULE_DEVICE_TABLE(pci, r82600_pci_tbl); 368MODULE_DEVICE_TABLE(pci, r82600_pci_tbl);
@@ -390,7 +389,7 @@ module_exit(r82600_exit);
390 389
391MODULE_LICENSE("GPL"); 390MODULE_LICENSE("GPL");
392MODULE_AUTHOR("Tim Small <tim@buttersideup.com> - WPAD Ltd. " 391MODULE_AUTHOR("Tim Small <tim@buttersideup.com> - WPAD Ltd. "
393 "on behalf of EADS Astrium"); 392 "on behalf of EADS Astrium");
394MODULE_DESCRIPTION("MC support for Radisys 82600 memory controllers"); 393MODULE_DESCRIPTION("MC support for Radisys 82600 memory controllers");
395 394
396module_param(disable_hardware_scrub, bool, 0644); 395module_param(disable_hardware_scrub, bool, 0644);