Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial
[sfrench/cifs-2.6.git] / drivers / edac / e752x_edac.c
index 10f84995472d8d487608b4e1dd73b6d4201c1960..6eb434749cd5bad20ea376856c436b8f8587751b 100644 (file)
@@ -30,6 +30,8 @@
 
 static int force_function_unhide;
 
+static struct edac_pci_ctl_info *e752x_pci;
+
 #define e752x_printk(level, fmt, arg...) \
        edac_printk(level, "e752x", fmt, ##arg)
 
@@ -204,25 +206,22 @@ static const struct e752x_dev_info e752x_devs[] = {
        [E7520] = {
                .err_dev = PCI_DEVICE_ID_INTEL_7520_1_ERR,
                .ctl_dev = PCI_DEVICE_ID_INTEL_7520_0,
-               .ctl_name = "E7520"
-       },
+               .ctl_name = "E7520"},
        [E7525] = {
                .err_dev = PCI_DEVICE_ID_INTEL_7525_1_ERR,
                .ctl_dev = PCI_DEVICE_ID_INTEL_7525_0,
-               .ctl_name = "E7525"
-       },
+               .ctl_name = "E7525"},
        [E7320] = {
                .err_dev = PCI_DEVICE_ID_INTEL_7320_1_ERR,
                .ctl_dev = PCI_DEVICE_ID_INTEL_7320_0,
-               .ctl_name = "E7320"
-       },
+               .ctl_name = "E7320"},
 };
 
 static unsigned long ctl_page_to_phys(struct mem_ctl_info *mci,
-               unsigned long page)
+                               unsigned long page)
 {
        u32 remap;
-       struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info;
+       struct e752x_pvt *pvt = (struct e752x_pvt *)mci->pvt_info;
 
        debugf3("%s()\n", __func__);
 
@@ -242,13 +241,13 @@ static unsigned long ctl_page_to_phys(struct mem_ctl_info *mci,
 }
 
 static void do_process_ce(struct mem_ctl_info *mci, u16 error_one,
-               u32 sec1_add, u16 sec1_syndrome)
+                       u32 sec1_add, u16 sec1_syndrome)
 {
        u32 page;
        int row;
        int channel;
        int i;
-       struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info;
+       struct e752x_pvt *pvt = (struct e752x_pvt *)mci->pvt_info;
 
        debugf3("%s()\n", __func__);
 
@@ -262,7 +261,8 @@ static void do_process_ce(struct mem_ctl_info *mci, u16 error_one,
                e752x_printk(KERN_WARNING,
                        "Test row %d Table %d %d %d %d %d %d %d %d\n", row,
                        pvt->map[0], pvt->map[1], pvt->map[2], pvt->map[3],
-                       pvt->map[4], pvt->map[5], pvt->map[6], pvt->map[7]);
+                       pvt->map[4], pvt->map[5], pvt->map[6],
+                       pvt->map[7]);
 
                /* test for channel remapping */
                for (i = 0; i < 8; i++) {
@@ -276,24 +276,22 @@ static void do_process_ce(struct mem_ctl_info *mci, u16 error_one,
                        row = i;
                else
                        e752x_mc_printk(mci, KERN_WARNING,
-                               "row %d not found in remap table\n", row);
+                                       "row %d not found in remap table\n",
+                                       row);
        } else
                row = edac_mc_find_csrow_by_page(mci, page);
 
        /* 0 = channel A, 1 = channel B */
        channel = !(error_one & 1);
 
-       if (!pvt->map_type)
-               row = 7 - row;
-
        /* e752x mc reads 34:6 of the DRAM linear address */
        edac_mc_handle_ce(mci, page, offset_in_page(sec1_add << 4),
                        sec1_syndrome, row, channel, "e752x CE");
 }
 
 static inline void process_ce(struct mem_ctl_info *mci, u16 error_one,
-               u32 sec1_add, u16 sec1_syndrome, int *error_found,
-               int handle_error)
+                       u32 sec1_add, u16 sec1_syndrome, int *error_found,
+                       int handle_error)
 {
        *error_found = 1;
 
@@ -302,11 +300,11 @@ static inline void process_ce(struct mem_ctl_info *mci, u16 error_one,
 }
 
 static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
-               u32 ded_add, u32 scrb_add)
+                       u32 ded_add, u32 scrb_add)
 {
        u32 error_2b, block_page;
        int row;
-       struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info;
+       struct e752x_pvt *pvt = (struct e752x_pvt *)mci->pvt_info;
 
        debugf3("%s()\n", __func__);
 
@@ -317,14 +315,14 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
                block_page = error_2b >> (PAGE_SHIFT - 4);
 
                row = pvt->mc_symmetric ?
-                       /* chip select are bits 14 & 13 */
+               /* chip select are bits 14 & 13 */
                        ((block_page >> 1) & 3) :
                        edac_mc_find_csrow_by_page(mci, block_page);
 
                /* e752x mc reads 34:6 of the DRAM linear address */
                edac_mc_handle_ue(mci, block_page,
-                                       offset_in_page(error_2b << 4),
-                                       row, "e752x UE from Read");
+                               offset_in_page(error_2b << 4),
+                               row, "e752x UE from Read");
        }
        if (error_one & 0x0404) {
                error_2b = scrb_add;
@@ -333,19 +331,20 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
                block_page = error_2b >> (PAGE_SHIFT - 4);
 
                row = pvt->mc_symmetric ?
-                       /* chip select are bits 14 & 13 */
+               /* chip select are bits 14 & 13 */
                        ((block_page >> 1) & 3) :
                        edac_mc_find_csrow_by_page(mci, block_page);
 
                /* e752x mc reads 34:6 of the DRAM linear address */
                edac_mc_handle_ue(mci, block_page,
-                                       offset_in_page(error_2b << 4),
-                                       row, "e752x UE from Scruber");
+                               offset_in_page(error_2b << 4),
+                               row, "e752x UE from Scruber");
        }
 }
 
 static inline void process_ue(struct mem_ctl_info *mci, u16 error_one,
-               u32 ded_add, u32 scrb_add, int *error_found, int handle_error)
+                       u32 ded_add, u32 scrb_add, int *error_found,
+                       int handle_error)
 {
        *error_found = 1;
 
@@ -354,7 +353,7 @@ static inline void process_ue(struct mem_ctl_info *mci, u16 error_one,
 }
 
 static inline void process_ue_no_info_wr(struct mem_ctl_info *mci,
-               int *error_found, int handle_error)
+                                        int *error_found, int handle_error)
 {
        *error_found = 1;
 
@@ -366,24 +365,24 @@ static inline void process_ue_no_info_wr(struct mem_ctl_info *mci,
 }
 
 static void do_process_ded_retry(struct mem_ctl_info *mci, u16 error,
-               u32 retry_add)
+                                u32 retry_add)
 {
        u32 error_1b, page;
        int row;
-       struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info;
+       struct e752x_pvt *pvt = (struct e752x_pvt *)mci->pvt_info;
 
        error_1b = retry_add;
-       page = error_1b >> (PAGE_SHIFT - 4); /* convert the addr to 4k page */
-       row = pvt->mc_symmetric ?
-               ((page >> 1) & 3) : /* chip select are bits 14 & 13 */
+       page = error_1b >> (PAGE_SHIFT - 4);    /* convert the addr to 4k page */
+       row = pvt->mc_symmetric ? ((page >> 1) & 3) :   /* chip select are bits 14 & 13 */
                edac_mc_find_csrow_by_page(mci, page);
        e752x_mc_printk(mci, KERN_WARNING,
-               "CE page 0x%lx, row %d : Memory read retry\n",
-               (long unsigned int) page, row);
+                       "CE page 0x%lx, row %d : Memory read retry\n",
+                       (long unsigned int)page, row);
 }
 
 static inline void process_ded_retry(struct mem_ctl_info *mci, u16 error,
-               u32 retry_add, int *error_found, int handle_error)
+                               u32 retry_add, int *error_found,
+                               int handle_error)
 {
        *error_found = 1;
 
@@ -392,7 +391,7 @@ static inline void process_ded_retry(struct mem_ctl_info *mci, u16 error,
 }
 
 static inline void process_threshold_ce(struct mem_ctl_info *mci, u16 error,
-               int *error_found, int handle_error)
+                                       int *error_found, int handle_error)
 {
        *error_found = 1;
 
@@ -421,7 +420,7 @@ static void do_global_error(int fatal, u32 errors)
 }
 
 static inline void global_error(int fatal, u32 errors, int *error_found,
-               int handle_error)
+                               int handle_error)
 {
        *error_found = 1;
 
@@ -448,7 +447,7 @@ static void do_hub_error(int fatal, u8 errors)
 }
 
 static inline void hub_error(int fatal, u8 errors, int *error_found,
-               int handle_error)
+                       int handle_error)
 {
        *error_found = 1;
 
@@ -506,7 +505,7 @@ static void do_sysbus_error(int fatal, u32 errors)
 }
 
 static inline void sysbus_error(int fatal, u32 errors, int *error_found,
-               int handle_error)
+                               int handle_error)
 {
        *error_found = 1;
 
@@ -515,7 +514,7 @@ static inline void sysbus_error(int fatal, u32 errors, int *error_found,
 }
 
 static void e752x_check_hub_interface(struct e752x_error_info *info,
-               int *error_found, int handle_error)
+                               int *error_found, int handle_error)
 {
        u8 stat8;
 
@@ -523,33 +522,32 @@ static void e752x_check_hub_interface(struct e752x_error_info *info,
 
        stat8 = info->hi_ferr;
 
-       if(stat8 & 0x7f) { /* Error, so process */
+       if (stat8 & 0x7f) {     /* Error, so process */
                stat8 &= 0x7f;
 
-               if(stat8 & 0x2b)
+               if (stat8 & 0x2b)
                        hub_error(1, stat8 & 0x2b, error_found, handle_error);
 
-               if(stat8 & 0x54)
+               if (stat8 & 0x54)
                        hub_error(0, stat8 & 0x54, error_found, handle_error);
        }
-
        //pci_read_config_byte(dev,E752X_HI_NERR,&stat8);
 
        stat8 = info->hi_nerr;
 
-       if(stat8 & 0x7f) { /* Error, so process */
+       if (stat8 & 0x7f) {     /* Error, so process */
                stat8 &= 0x7f;
 
                if (stat8 & 0x2b)
                        hub_error(1, stat8 & 0x2b, error_found, handle_error);
 
-               if(stat8 & 0x54)
+               if (stat8 & 0x54)
                        hub_error(0, stat8 & 0x54, error_found, handle_error);
        }
 }
 
 static void e752x_check_sysbus(struct e752x_error_info *info,
-               int *error_found, int handle_error)
+                       int *error_found, int handle_error)
 {
        u32 stat32, error32;
 
@@ -557,47 +555,47 @@ static void e752x_check_sysbus(struct e752x_error_info *info,
        stat32 = info->sysbus_ferr + (info->sysbus_nerr << 16);
 
        if (stat32 == 0)
-               return;  /* no errors */
+               return;         /* no errors */
 
        error32 = (stat32 >> 16) & 0x3ff;
        stat32 = stat32 & 0x3ff;
 
-       if(stat32 & 0x087)
+       if (stat32 & 0x087)
                sysbus_error(1, stat32 & 0x087, error_found, handle_error);
 
-       if(stat32 & 0x378)
+       if (stat32 & 0x378)
                sysbus_error(0, stat32 & 0x378, error_found, handle_error);
 
-       if(error32 & 0x087)
+       if (error32 & 0x087)
                sysbus_error(1, error32 & 0x087, error_found, handle_error);
 
-       if(error32 & 0x378)
+       if (error32 & 0x378)
                sysbus_error(0, error32 & 0x378, error_found, handle_error);
 }
 
-static void e752x_check_membuf (struct e752x_error_info *info,
-               int *error_found, int handle_error)
+static void e752x_check_membuf(struct e752x_error_info *info,
+                       int *error_found, int handle_error)
 {
        u8 stat8;
 
        stat8 = info->buf_ferr;
 
-       if (stat8 & 0x0f) { /* Error, so process */
+       if (stat8 & 0x0f) {     /* Error, so process */
                stat8 &= 0x0f;
                membuf_error(stat8, error_found, handle_error);
        }
 
        stat8 = info->buf_nerr;
 
-       if (stat8 & 0x0f) { /* Error, so process */
+       if (stat8 & 0x0f) {     /* Error, so process */
                stat8 &= 0x0f;
                membuf_error(stat8, error_found, handle_error);
        }
 }
 
-static void e752x_check_dram (struct mem_ctl_info *mci,
-               struct e752x_error_info *info, int *error_found,
-               int handle_error)
+static void e752x_check_dram(struct mem_ctl_info *mci,
+                       struct e752x_error_info *info, int *error_found,
+                       int handle_error)
 {
        u16 error_one, error_next;
 
@@ -605,55 +603,52 @@ static void e752x_check_dram (struct mem_ctl_info *mci,
        error_next = info->dram_nerr;
 
        /* decode and report errors */
-       if(error_one & 0x0101)  /* check first error correctable */
+       if (error_one & 0x0101) /* check first error correctable */
                process_ce(mci, error_one, info->dram_sec1_add,
-                          info->dram_sec1_syndrome, error_found,
-                          handle_error);
+                       info->dram_sec1_syndrome, error_found, handle_error);
 
-       if(error_next & 0x0101)  /* check next error correctable */
+       if (error_next & 0x0101)        /* check next error correctable */
                process_ce(mci, error_next, info->dram_sec2_add,
-                          info->dram_sec2_syndrome, error_found,
-                          handle_error);
+                       info->dram_sec2_syndrome, error_found, handle_error);
 
-       if(error_one & 0x4040)
+       if (error_one & 0x4040)
                process_ue_no_info_wr(mci, error_found, handle_error);
 
-       if(error_next & 0x4040)
+       if (error_next & 0x4040)
                process_ue_no_info_wr(mci, error_found, handle_error);
 
-       if(error_one & 0x2020)
+       if (error_one & 0x2020)
                process_ded_retry(mci, error_one, info->dram_retr_add,
-                                 error_found, handle_error);
+                               error_found, handle_error);
 
-       if(error_next & 0x2020)
+       if (error_next & 0x2020)
                process_ded_retry(mci, error_next, info->dram_retr_add,
-                                 error_found, handle_error);
+                               error_found, handle_error);
 
-       if(error_one & 0x0808)
-               process_threshold_ce(mci, error_one, error_found,
-                                    handle_error);
+       if (error_one & 0x0808)
+               process_threshold_ce(mci, error_one, error_found, handle_error);
 
-       if(error_next & 0x0808)
+       if (error_next & 0x0808)
                process_threshold_ce(mci, error_next, error_found,
-                                    handle_error);
+                               handle_error);
 
-       if(error_one & 0x0606)
+       if (error_one & 0x0606)
                process_ue(mci, error_one, info->dram_ded_add,
-                          info->dram_scrb_add, error_found, handle_error);
+                       info->dram_scrb_add, error_found, handle_error);
 
-       if(error_next & 0x0606)
+       if (error_next & 0x0606)
                process_ue(mci, error_next, info->dram_ded_add,
-                          info->dram_scrb_add, error_found, handle_error);
+                       info->dram_scrb_add, error_found, handle_error);
 }
 
-static void e752x_get_error_info (struct mem_ctl_info *mci,
-               struct e752x_error_info *info)
+static void e752x_get_error_info(struct mem_ctl_info *mci,
+                                struct e752x_error_info *info)
 {
        struct pci_dev *dev;
        struct e752x_pvt *pvt;
 
        memset(info, 0, sizeof(*info));
-       pvt = (struct e752x_pvt *) mci->pvt_info;
+       pvt = (struct e752x_pvt *)mci->pvt_info;
        dev = pvt->dev_d0f1;
        pci_read_config_dword(dev, E752X_FERR_GLOBAL, &info->ferr_global);
 
@@ -662,8 +657,7 @@ static void e752x_get_error_info (struct mem_ctl_info *mci,
                pci_read_config_word(dev, E752X_SYSBUS_FERR,
                                &info->sysbus_ferr);
                pci_read_config_byte(dev, E752X_BUF_FERR, &info->buf_ferr);
-               pci_read_config_word(dev, E752X_DRAM_FERR,
-                               &info->dram_ferr);
+               pci_read_config_word(dev, E752X_DRAM_FERR, &info->dram_ferr);
                pci_read_config_dword(dev, E752X_DRAM_SEC1_ADD,
                                &info->dram_sec1_add);
                pci_read_config_word(dev, E752X_DRAM_SEC1_SYNDROME,
@@ -689,7 +683,7 @@ static void e752x_get_error_info (struct mem_ctl_info *mci,
 
                if (info->dram_ferr)
                        pci_write_bits16(pvt->bridge_ck, E752X_DRAM_FERR,
-                                       info->dram_ferr, info->dram_ferr);
+                                        info->dram_ferr, info->dram_ferr);
 
                pci_write_config_dword(dev, E752X_FERR_GLOBAL,
                                info->ferr_global);
@@ -702,8 +696,7 @@ static void e752x_get_error_info (struct mem_ctl_info *mci,
                pci_read_config_word(dev, E752X_SYSBUS_NERR,
                                &info->sysbus_nerr);
                pci_read_config_byte(dev, E752X_BUF_NERR, &info->buf_nerr);
-               pci_read_config_word(dev, E752X_DRAM_NERR,
-                               &info->dram_nerr);
+               pci_read_config_word(dev, E752X_DRAM_NERR, &info->dram_nerr);
                pci_read_config_dword(dev, E752X_DRAM_SEC2_ADD,
                                &info->dram_sec2_add);
                pci_read_config_word(dev, E752X_DRAM_SEC2_SYNDROME,
@@ -723,15 +716,16 @@ static void e752x_get_error_info (struct mem_ctl_info *mci,
 
                if (info->dram_nerr)
                        pci_write_bits16(pvt->bridge_ck, E752X_DRAM_NERR,
-                                       info->dram_nerr, info->dram_nerr);
+                                        info->dram_nerr, info->dram_nerr);
 
                pci_write_config_dword(dev, E752X_NERR_GLOBAL,
                                info->nerr_global);
        }
 }
 
-static int e752x_process_error_info (struct mem_ctl_info *mci,
-               struct e752x_error_info *info, int handle_errors)
+static int e752x_process_error_info(struct mem_ctl_info *mci,
+                               struct e752x_error_info *info,
+                               int handle_errors)
 {
        u32 error32, stat32;
        int error_found;
@@ -777,26 +771,38 @@ static inline int dual_channel_active(u16 ddrcsr)
        return (((ddrcsr >> 12) & 3) == 3);
 }
 
+/* Remap csrow index numbers if map_type is "reverse"
+ */
+static inline int remap_csrow_index(struct mem_ctl_info *mci, int index)
+{
+       struct e752x_pvt *pvt = mci->pvt_info;
+
+       if (!pvt->map_type)
+               return (7 - index);
+
+       return (index);
+}
+
 static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
-               u16 ddrcsr)
+                       u16 ddrcsr)
 {
        struct csrow_info *csrow;
        unsigned long last_cumul_size;
        int index, mem_dev, drc_chan;
-       int drc_drbg;  /* DRB granularity 0=64mb, 1=128mb */
-       int drc_ddim;  /* DRAM Data Integrity Mode 0=none, 2=edac */
+       int drc_drbg;           /* DRB granularity 0=64mb, 1=128mb */
+       int drc_ddim;           /* DRAM Data Integrity Mode 0=none, 2=edac */
        u8 value;
        u32 dra, drc, cumul_size;
 
        dra = 0;
-       for (index=0; index < 4; index++) {
+       for (index = 0; index < 4; index++) {
                u8 dra_reg;
-               pci_read_config_byte(pdev, E752X_DRA+index, &dra_reg);
+               pci_read_config_byte(pdev, E752X_DRA + index, &dra_reg);
                dra |= dra_reg << (index * 8);
        }
        pci_read_config_dword(pdev, E752X_DRC, &drc);
        drc_chan = dual_channel_active(ddrcsr);
-       drc_drbg = drc_chan + 1;  /* 128 in dual mode, 64 in single */
+       drc_drbg = drc_chan + 1;        /* 128 in dual mode, 64 in single */
        drc_ddim = (drc >> 20) & 0x3;
 
        /* The dram row boundary (DRB) reg values are boundary address for
@@ -807,7 +813,7 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
        for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) {
                /* mem_dev 0=x8, 1=x4 */
                mem_dev = (dra >> (index * 4 + 2)) & 0x3;
-               csrow = &mci->csrows[index];
+               csrow = &mci->csrows[remap_csrow_index(mci, index)];
 
                mem_dev = (mem_dev == 2);
                pci_read_config_byte(pdev, E752X_DRB + index, &value);
@@ -844,10 +850,10 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
 }
 
 static void e752x_init_mem_map_table(struct pci_dev *pdev,
-               struct e752x_pvt *pvt)
+                               struct e752x_pvt *pvt)
 {
        int index;
-       u8 value, last, row, stat8;
+       u8 value, last, row;
 
        last = 0;
        row = 0;
@@ -859,7 +865,7 @@ static void e752x_init_mem_map_table(struct pci_dev *pdev,
                        /* no dimm in the slot, so flag it as empty */
                        pvt->map[index] = 0xff;
                        pvt->map[index + 1] = 0xff;
-               } else {        /* there is a dimm in the slot */
+               } else {        /* there is a dimm in the slot */
                        pvt->map[index] = row;
                        row++;
                        last = value;
@@ -867,31 +873,25 @@ static void e752x_init_mem_map_table(struct pci_dev *pdev,
                         * sided
                         */
                        pci_read_config_byte(pdev, E752X_DRB + index + 1,
-                                            &value);
-                       pvt->map[index + 1] = (value == last) ?
-                           0xff :      /* the dimm is single sided,
-                                          so flag as empty */
-                           row;        /* this is a double sided dimm
-                                          to save the next row # */
+                                       &value);
+
+                       /* the dimm is single sided, so flag as empty */
+                       /* this is a double sided dimm to save the next row #*/
+                       pvt->map[index + 1] = (value == last) ? 0xff :  row;
                        row++;
                        last = value;
                }
        }
-
-       /* set the map type.  1 = normal, 0 = reversed */
-       pci_read_config_byte(pdev, E752X_DRM, &stat8);
-       pvt->map_type = ((stat8 & 0x0f) > ((stat8 >> 4) & 0x0f));
 }
 
 /* Return 0 on success or 1 on failure. */
 static int e752x_get_devs(struct pci_dev *pdev, int dev_idx,
-               struct e752x_pvt *pvt)
+                       struct e752x_pvt *pvt)
 {
        struct pci_dev *dev;
 
        pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL,
-                                       pvt->dev_info->err_dev,
-                                       pvt->bridge_ck);
+                                       pvt->dev_info->err_dev, pvt->bridge_ck);
 
        if (pvt->bridge_ck == NULL)
                pvt->bridge_ck = pci_scan_single_device(pdev->bus,
@@ -899,13 +899,13 @@ static int e752x_get_devs(struct pci_dev *pdev, int dev_idx,
 
        if (pvt->bridge_ck == NULL) {
                e752x_printk(KERN_ERR, "error reporting device not found:"
-                      "vendor %x device 0x%x (broken BIOS?)\n",
-                      PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].err_dev);
+                       "vendor %x device 0x%x (broken BIOS?)\n",
+                       PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].err_dev);
                return 1;
        }
 
        dev = pci_get_device(PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].ctl_dev,
-                            NULL);
+                       NULL);
 
        if (dev == NULL)
                goto fail;
@@ -943,20 +943,20 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
        struct mem_ctl_info *mci;
        struct e752x_pvt *pvt;
        u16 ddrcsr;
-       int drc_chan;   /* Number of channels 0=1chan,1=2chan */
+       int drc_chan;           /* Number of channels 0=1chan,1=2chan */
        struct e752x_error_info discard;
 
        debugf0("%s(): mci\n", __func__);
        debugf0("Starting Probe1\n");
 
        /* make sure error reporting method is sane */
-       switch(edac_op_state) {
-               case EDAC_OPSTATE_POLL:
-               case EDAC_OPSTATE_NMI:
-                       break;
-               default:
-                       edac_op_state = EDAC_OPSTATE_POLL;
-                       break;
+       switch (edac_op_state) {
+       case EDAC_OPSTATE_POLL:
+       case EDAC_OPSTATE_NMI:
+               break;
+       default:
+               edac_op_state = EDAC_OPSTATE_POLL;
+               break;
        }
 
        /* check to see if device 0 function 1 is enabled; if it isn't, we
@@ -967,7 +967,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
        if (!force_function_unhide && !(stat8 & (1 << 5))) {
                printk(KERN_INFO "Contact your BIOS vendor to see if the "
                        "E752x error registers can be safely un-hidden\n");
-               return -ENOMEM;
+               return -ENODEV;
        }
        stat8 |= (1 << 5);
        pci_write_config_byte(pdev, E752X_DEVPRES1, stat8);
@@ -977,7 +977,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
        /* Dual channel = 1, Single channel = 0 */
        drc_chan = dual_channel_active(ddrcsr);
 
-       mci = edac_mc_alloc(sizeof(*pvt), E752X_NR_CSROWS, drc_chan + 1);
+       mci = edac_mc_alloc(sizeof(*pvt), E752X_NR_CSROWS, drc_chan + 1, 0);
 
        if (mci == NULL) {
                return -ENOMEM;
@@ -986,14 +986,14 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
        debugf3("%s(): init mci\n", __func__);
        mci->mtype_cap = MEM_FLAG_RDDR;
        mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED |
-           EDAC_FLAG_S4ECD4ED;
+               EDAC_FLAG_S4ECD4ED;
        /* FIXME - what if different memory types are in different csrows? */
        mci->mod_name = EDAC_MOD_STR;
        mci->mod_ver = E752X_REVISION;
        mci->dev = &pdev->dev;
 
        debugf3("%s(): init pvt\n", __func__);
-       pvt = (struct e752x_pvt *) mci->pvt_info;
+       pvt = (struct e752x_pvt *)mci->pvt_info;
        pvt->dev_info = &e752x_devs[dev_idx];
        pvt->mc_symmetric = ((ddrcsr & 0x10) != 0);
 
@@ -1008,13 +1008,16 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
        mci->edac_check = e752x_check;
        mci->ctl_page_to_phys = ctl_page_to_phys;
 
-       e752x_init_csrows(mci, pdev, ddrcsr);
-       e752x_init_mem_map_table(pdev, pvt);
-
-       /* set the map type.  1 = normal, 0 = reversed */
+       /* set the map type.  1 = normal, 0 = reversed
+        * Must be set before e752x_init_csrows in case csrow mapping
+        * is reversed.
+        */
        pci_read_config_byte(pdev, E752X_DRM, &stat8);
        pvt->map_type = ((stat8 & 0x0f) > ((stat8 >> 4) & 0x0f));
 
+       e752x_init_csrows(mci, pdev, ddrcsr);
+       e752x_init_mem_map_table(pdev, pvt);
+
        mci->edac_cap |= EDAC_FLAG_NONE;
        debugf3("%s(): tolm, remapbase, remaplimit\n", __func__);
 
@@ -1026,19 +1029,29 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
        pci_read_config_word(pdev, E752X_REMAPLIMIT, &pci_data);
        pvt->remaplimit = ((u32) pci_data) << 14;
        e752x_printk(KERN_INFO,
-               "tolm = %x, remapbase = %x, remaplimit = %x\n", pvt->tolm,
-               pvt->remapbase, pvt->remaplimit);
+                       "tolm = %x, remapbase = %x, remaplimit = %x\n",
+                       pvt->tolm, pvt->remapbase, pvt->remaplimit);
 
        /* Here we assume that we will never see multiple instances of this
         * type of memory controller.  The ID is therefore hardcoded to 0.
         */
-       if (edac_mc_add_mc(mci,0)) {
+       if (edac_mc_add_mc(mci)) {
                debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
                goto fail;
        }
 
        e752x_init_error_reporting_regs(pvt);
-       e752x_get_error_info(mci, &discard); /* clear other MCH errors */
+       e752x_get_error_info(mci, &discard);    /* clear other MCH errors */
+
+       /* allocating generic PCI control info */
+       e752x_pci = edac_pci_create_generic_ctl(&pdev->dev, EDAC_MOD_STR);
+       if (!e752x_pci) {
+               printk(KERN_WARNING
+                       "%s(): Unable to create PCI control\n", __func__);
+               printk(KERN_WARNING
+                       "%s(): PCI error report via EDAC not setup\n",
+                       __func__);
+       }
 
        /* get this far and it's successful */
        debugf3("%s(): success\n", __func__);
@@ -1055,12 +1068,12 @@ fail:
 
 /* returns count (>= 0), or negative on error */
 static int __devinit e752x_init_one(struct pci_dev *pdev,
-               const struct pci_device_id *ent)
+                               const struct pci_device_id *ent)
 {
        debugf0("%s()\n", __func__);
 
        /* wake up and enable device */
-       if(pci_enable_device(pdev) < 0)
+       if (pci_enable_device(pdev) < 0)
                return -EIO;
 
        return e752x_probe1(pdev, ent->driver_data);
@@ -1073,10 +1086,13 @@ static void __devexit e752x_remove_one(struct pci_dev *pdev)
 
        debugf0("%s()\n", __func__);
 
+       if (e752x_pci)
+               edac_pci_release_generic_ctl(e752x_pci);
+
        if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
                return;
 
-       pvt = (struct e752x_pvt *) mci->pvt_info;
+       pvt = (struct e752x_pvt *)mci->pvt_info;
        pci_dev_put(pvt->dev_d0f0);
        pci_dev_put(pvt->dev_d0f1);
        pci_dev_put(pvt->bridge_ck);
@@ -1085,20 +1101,17 @@ static void __devexit e752x_remove_one(struct pci_dev *pdev)
 
 static const struct pci_device_id e752x_pci_tbl[] __devinitdata = {
        {
-               PCI_VEND_DEV(INTEL, 7520_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-               E7520
-       },
+        PCI_VEND_DEV(INTEL, 7520_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+        E7520},
        {
-               PCI_VEND_DEV(INTEL, 7525_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-               E7525
-       },
+        PCI_VEND_DEV(INTEL, 7525_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+        E7525},
        {
-               PCI_VEND_DEV(INTEL, 7320_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-               E7320
-       },
+        PCI_VEND_DEV(INTEL, 7320_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+        E7320},
        {
-               0,
-       }       /* 0 terminated list. */
+        0,
+        }                      /* 0 terminated list. */
 };
 
 MODULE_DEVICE_TABLE(pci, e752x_pci_tbl);
@@ -1134,6 +1147,6 @@ MODULE_DESCRIPTION("MC support for Intel e752x memory controllers");
 
 module_param(force_function_unhide, int, 0444);
 MODULE_PARM_DESC(force_function_unhide, "if BIOS sets Dev0:Fun1 up as hidden:"
-" 1=force unhide and hope BIOS doesn't fight driver for Dev0:Fun1 access");
+                " 1=force unhide and hope BIOS doesn't fight driver for Dev0:Fun1 access");
 module_param(edac_op_state, int, 0444);
 MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll,1=NMI");