regulator: Fix check of unsigned return value and transmit errors in wm831x_gp_ldo_ge...
[safe/jmp/linux-2.6] / drivers / edac / amd64_edac.c
index 2c869d1..a38831c 100644 (file)
@@ -189,7 +189,10 @@ static int amd64_get_scrub_rate(struct mem_ctl_info *mci, u32 *bw)
 /* Map from a CSROW entry to the mask entry that operates on it */
 static inline u32 amd64_map_to_dcs_mask(struct amd64_pvt *pvt, int csrow)
 {
-       return csrow >> (pvt->num_dcsm >> 3);
+       if (boot_cpu_data.x86 == 0xf && pvt->ext_model < OPTERON_CPU_REV_F)
+               return csrow;
+       else
+               return csrow >> 1;
 }
 
 /* return the 'base' address the i'th CS entry of the 'dct' DRAM controller */
@@ -374,7 +377,7 @@ static int input_addr_to_csrow(struct mem_ctl_info *mci, u64 input_addr)
         * base/mask register pair, test the condition shown near the start of
         * section 3.5.4 (p. 84, BKDG #26094, K8, revA-E).
         */
-       for (csrow = 0; csrow < CHIPSELECT_COUNT; csrow++) {
+       for (csrow = 0; csrow < pvt->cs_count; csrow++) {
 
                /* This DRAM chip select is disabled on this node */
                if ((pvt->dcsb0[csrow] & K8_DCSB_CS_ENABLE) == 0)
@@ -731,7 +734,7 @@ static void find_csrow_limits(struct mem_ctl_info *mci, int csrow,
        u64 base, mask;
 
        pvt = mci->pvt_info;
-       BUG_ON((csrow < 0) || (csrow >= CHIPSELECT_COUNT));
+       BUG_ON((csrow < 0) || (csrow >= pvt->cs_count));
 
        base = base_from_dct_base(pvt, csrow);
        mask = mask_from_dct_mask(pvt, csrow);
@@ -959,35 +962,27 @@ err_reg:
  */
 static void amd64_set_dct_base_and_mask(struct amd64_pvt *pvt)
 {
-       if (pvt->ext_model >= OPTERON_CPU_REV_F) {
+
+       if (boot_cpu_data.x86 == 0xf && pvt->ext_model < OPTERON_CPU_REV_F) {
+               pvt->dcsb_base          = REV_E_DCSB_BASE_BITS;
+               pvt->dcsm_mask          = REV_E_DCSM_MASK_BITS;
+               pvt->dcs_mask_notused   = REV_E_DCS_NOTUSED_BITS;
+               pvt->dcs_shift          = REV_E_DCS_SHIFT;
+               pvt->cs_count           = 8;
+               pvt->num_dcsm           = 8;
+       } else {
                pvt->dcsb_base          = REV_F_F1Xh_DCSB_BASE_BITS;
                pvt->dcsm_mask          = REV_F_F1Xh_DCSM_MASK_BITS;
                pvt->dcs_mask_notused   = REV_F_F1Xh_DCS_NOTUSED_BITS;
                pvt->dcs_shift          = REV_F_F1Xh_DCS_SHIFT;
 
-               switch (boot_cpu_data.x86) {
-               case 0xf:
-                       pvt->num_dcsm = REV_F_DCSM_COUNT;
-                       break;
-
-               case 0x10:
-                       pvt->num_dcsm = F10_DCSM_COUNT;
-                       break;
-
-               case 0x11:
-                       pvt->num_dcsm = F11_DCSM_COUNT;
-                       break;
-
-               default:
-                       amd64_printk(KERN_ERR, "Unsupported family!\n");
-                       break;
+               if (boot_cpu_data.x86 == 0x11) {
+                       pvt->cs_count = 4;
+                       pvt->num_dcsm = 2;
+               } else {
+                       pvt->cs_count = 8;
+                       pvt->num_dcsm = 4;
                }
-       } else {
-               pvt->dcsb_base          = REV_E_DCSB_BASE_BITS;
-               pvt->dcsm_mask          = REV_E_DCSM_MASK_BITS;
-               pvt->dcs_mask_notused   = REV_E_DCS_NOTUSED_BITS;
-               pvt->dcs_shift          = REV_E_DCS_SHIFT;
-               pvt->num_dcsm           = REV_E_DCSM_COUNT;
        }
 }
 
@@ -1000,7 +995,7 @@ static void amd64_read_dct_base_mask(struct amd64_pvt *pvt)
 
        amd64_set_dct_base_and_mask(pvt);
 
-       for (cs = 0; cs < CHIPSELECT_COUNT; cs++) {
+       for (cs = 0; cs < pvt->cs_count; cs++) {
                reg = K8_DCSB0 + (cs * 4);
                err = pci_read_config_dword(pvt->dram_f2_ctl, reg,
                                                &pvt->dcsb0[cs]);
@@ -1127,7 +1122,7 @@ static void k8_read_dram_base_limit(struct amd64_pvt *pvt, int dram)
                debugf0("Reading K8_DRAM_BASE_LOW failed\n");
 
        /* Extract parts into separate data entries */
-       pvt->dram_base[dram] = ((u64) low & 0xFFFF0000) << 24;
+       pvt->dram_base[dram] = ((u64) low & 0xFFFF0000) << 8;
        pvt->dram_IntlvEn[dram] = (low >> 8) & 0x7;
        pvt->dram_rw_en[dram] = (low & 0x3);
 
@@ -1140,7 +1135,7 @@ static void k8_read_dram_base_limit(struct amd64_pvt *pvt, int dram)
         * Extract parts into separate data entries. Limit is the HIGHEST memory
         * location of the region, so lower 24 bits need to be all ones
         */
-       pvt->dram_limit[dram] = (((u64) low & 0xFFFF0000) << 24) | 0x00FFFFFF;
+       pvt->dram_limit[dram] = (((u64) low & 0xFFFF0000) << 8) | 0x00FFFFFF;
        pvt->dram_IntlvSel[dram] = (low >> 8) & 0x7;
        pvt->dram_DstNode[dram] = (low & 0x7);
 }
@@ -1190,7 +1185,7 @@ static void k8_map_sysaddr_to_csrow(struct mem_ctl_info *mci,
         * different from the node that detected the error.
         */
        src_mci = find_mc_by_sys_addr(mci, SystemAddress);
-       if (src_mci) {
+       if (!src_mci) {
                amd64_mc_printk(mci, KERN_ERR,
                             "failed to map error address 0x%lx to a node\n",
                             (unsigned long)SystemAddress);
@@ -1373,8 +1368,8 @@ static void f10_read_dram_base_limit(struct amd64_pvt *pvt, int dram)
 
        pvt->dram_IntlvEn[dram] = (low_base >> 8) & 0x7;
 
-       pvt->dram_base[dram] = (((((u64) high_base & 0x000000FF) << 32) |
-                               ((u64) low_base & 0xFFFF0000))) << 8;
+       pvt->dram_base[dram] = (((u64)high_base & 0x000000FF) << 40) |
+                              (((u64)low_base  & 0xFFFF0000) << 8);
 
        low_offset = K8_DRAM_LIMIT_LOW + (dram << 3);
        high_offset = F10_DRAM_LIMIT_HIGH + (dram << 3);
@@ -1395,9 +1390,9 @@ static void f10_read_dram_base_limit(struct amd64_pvt *pvt, int dram)
         * Extract address values and form a LIMIT address. Limit is the HIGHEST
         * memory location of the region, so low 24 bits need to be all ones.
         */
-       low_limit |= 0x0000FFFF;
-       pvt->dram_limit[dram] =
-               ((((u64) high_limit << 32) + (u64) low_limit) << 8) | (0xFF);
+       pvt->dram_limit[dram] = (((u64)high_limit & 0x000000FF) << 40) |
+                               (((u64) low_limit & 0xFFFF0000) << 8) |
+                               0x00FFFFFF;
 }
 
 static void f10_read_dram_ctl_register(struct amd64_pvt *pvt)
@@ -1563,7 +1558,7 @@ static int f10_lookup_addr_in_dct(u32 in_addr, u32 nid, u32 cs)
 
        debugf1("InputAddr=0x%x  channelselect=%d\n", in_addr, cs);
 
-       for (csrow = 0; csrow < CHIPSELECT_COUNT; csrow++) {
+       for (csrow = 0; csrow < pvt->cs_count; csrow++) {
 
                cs_base = amd64_get_dct_base(pvt, cs, csrow);
                if (!(cs_base & K8_DCSB_CS_ENABLE))
@@ -2259,7 +2254,7 @@ static inline void __amd64_decode_bus_error(struct mem_ctl_info *mci,
 {
        u32 ec  = ERROR_CODE(info->nbsl);
        u32 xec = EXT_ERROR_CODE(info->nbsl);
-       int ecc_type = info->nbsh & (0x3 << 13);
+       int ecc_type = (info->nbsh >> 13) & 0x3;
 
        /* Bail early out if this was an 'observed' error */
        if (PP(ec) == K8_NBSL_PP_OBS)
@@ -2494,7 +2489,7 @@ err_reg:
  * NOTE: CPU Revision Dependent code
  *
  * Input:
- *     @csrow_nr ChipSelect Row Number (0..CHIPSELECT_COUNT-1)
+ *     @csrow_nr ChipSelect Row Number (0..pvt->cs_count-1)
  *     k8 private pointer to -->
  *                     DRAM Bank Address mapping register
  *                     node_id
@@ -2574,7 +2569,7 @@ static int amd64_init_csrows(struct mem_ctl_info *mci)
                (pvt->nbcfg & K8_NBCFG_ECC_ENABLE) ? "Enabled" : "Disabled"
                );
 
-       for (i = 0; i < CHIPSELECT_COUNT; i++) {
+       for (i = 0; i < pvt->cs_count; i++) {
                csrow = &mci->csrows[i];
 
                if ((pvt->dcsb0[i] & K8_DCSB_CS_ENABLE) == 0) {
@@ -2985,7 +2980,7 @@ static int amd64_init_2nd_stage(struct amd64_pvt *pvt)
                goto err_exit;
 
        ret = -ENOMEM;
-       mci = edac_mc_alloc(0, CHIPSELECT_COUNT, pvt->channel_count, node_id);
+       mci = edac_mc_alloc(0, pvt->cs_count, pvt->channel_count, node_id);
        if (!mci)
                goto err_exit;
 
@@ -3168,7 +3163,7 @@ static int __init amd64_edac_init(void)
        opstate_init();
 
        if (cache_k8_northbridges() < 0)
-               goto err_exit;
+               return err;
 
        err = pci_register_driver(&amd64_pci_driver);
        if (err)
@@ -3194,8 +3189,6 @@ static int __init amd64_edac_init(void)
 
 err_2nd_stage:
        debugf0("2nd stage failed\n");
-
-err_exit:
        pci_unregister_driver(&amd64_pci_driver);
 
        return err;