diff options
-rw-r--r-- | drivers/pci/hotplug/acpiphp_core.c | 2 | ||||
-rw-r--r-- | drivers/pci/hotplug/cpqphp.h | 2 | ||||
-rw-r--r-- | drivers/pci/hotplug/cpqphp_core.c | 57 | ||||
-rw-r--r-- | drivers/pci/hotplug/cpqphp_ctrl.c | 27 | ||||
-rw-r--r-- | drivers/pci/hotplug/ibmphp_core.c | 106 | ||||
-rw-r--r-- | drivers/pci/hotplug/pci_hotplug_core.c | 132 | ||||
-rw-r--r-- | drivers/pci/hotplug/pciehp_core.c | 25 | ||||
-rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 72 | ||||
-rw-r--r-- | drivers/pci/hotplug/rpaphp_core.c | 23 | ||||
-rw-r--r-- | drivers/pci/hotplug/shpchp.h | 2 | ||||
-rw-r--r-- | drivers/pci/hotplug/shpchp_core.c | 35 | ||||
-rw-r--r-- | drivers/pci/hotplug/shpchp_ctrl.c | 13 | ||||
-rw-r--r-- | drivers/pci/hotplug/shpchp_hpc.c | 149 | ||||
-rw-r--r-- | drivers/pci/probe.c | 27 | ||||
-rw-r--r-- | drivers/pci/slot.c | 54 | ||||
-rw-r--r-- | include/linux/pci.h | 3 | ||||
-rw-r--r-- | include/linux/pci_hotplug.h | 15 |
17 files changed, 246 insertions, 498 deletions
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c index 4dd7114964ac..efa9f2de51c1 100644 --- a/drivers/pci/hotplug/acpiphp_core.c +++ b/drivers/pci/hotplug/acpiphp_core.c | |||
@@ -332,8 +332,6 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot) | |||
332 | slot->hotplug_slot->info->attention_status = 0; | 332 | slot->hotplug_slot->info->attention_status = 0; |
333 | slot->hotplug_slot->info->latch_status = acpiphp_get_latch_status(slot->acpi_slot); | 333 | slot->hotplug_slot->info->latch_status = acpiphp_get_latch_status(slot->acpi_slot); |
334 | slot->hotplug_slot->info->adapter_status = acpiphp_get_adapter_status(slot->acpi_slot); | 334 | slot->hotplug_slot->info->adapter_status = acpiphp_get_adapter_status(slot->acpi_slot); |
335 | slot->hotplug_slot->info->max_bus_speed = PCI_SPEED_UNKNOWN; | ||
336 | slot->hotplug_slot->info->cur_bus_speed = PCI_SPEED_UNKNOWN; | ||
337 | 335 | ||
338 | acpiphp_slot->slot = slot; | 336 | acpiphp_slot->slot = slot; |
339 | snprintf(name, SLOT_NAME_SIZE, "%llu", slot->acpi_slot->sun); | 337 | snprintf(name, SLOT_NAME_SIZE, "%llu", slot->acpi_slot->sun); |
diff --git a/drivers/pci/hotplug/cpqphp.h b/drivers/pci/hotplug/cpqphp.h index 9c6a9fd26812..d8ffc7366801 100644 --- a/drivers/pci/hotplug/cpqphp.h +++ b/drivers/pci/hotplug/cpqphp.h | |||
@@ -310,8 +310,6 @@ struct controller { | |||
310 | u8 first_slot; | 310 | u8 first_slot; |
311 | u8 add_support; | 311 | u8 add_support; |
312 | u8 push_flag; | 312 | u8 push_flag; |
313 | enum pci_bus_speed speed; | ||
314 | enum pci_bus_speed speed_capability; | ||
315 | u8 push_button; /* 0 = no pushbutton, 1 = pushbutton present */ | 313 | u8 push_button; /* 0 = no pushbutton, 1 = pushbutton present */ |
316 | u8 slot_switch_type; /* 0 = no switch, 1 = switch present */ | 314 | u8 slot_switch_type; /* 0 = no switch, 1 = switch present */ |
317 | u8 defeature_PHP; /* 0 = PHP not supported, 1 = PHP supported */ | 315 | u8 defeature_PHP; /* 0 = PHP not supported, 1 = PHP supported */ |
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c index 075b4f4b6e0d..f184d1d2ecbe 100644 --- a/drivers/pci/hotplug/cpqphp_core.c +++ b/drivers/pci/hotplug/cpqphp_core.c | |||
@@ -583,30 +583,6 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value) | |||
583 | return 0; | 583 | return 0; |
584 | } | 584 | } |
585 | 585 | ||
586 | static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value) | ||
587 | { | ||
588 | struct slot *slot = hotplug_slot->private; | ||
589 | struct controller *ctrl = slot->ctrl; | ||
590 | |||
591 | dbg("%s - physical_slot = %s\n", __func__, slot_name(slot)); | ||
592 | |||
593 | *value = ctrl->speed_capability; | ||
594 | |||
595 | return 0; | ||
596 | } | ||
597 | |||
598 | static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value) | ||
599 | { | ||
600 | struct slot *slot = hotplug_slot->private; | ||
601 | struct controller *ctrl = slot->ctrl; | ||
602 | |||
603 | dbg("%s - physical_slot = %s\n", __func__, slot_name(slot)); | ||
604 | |||
605 | *value = ctrl->speed; | ||
606 | |||
607 | return 0; | ||
608 | } | ||
609 | |||
610 | static struct hotplug_slot_ops cpqphp_hotplug_slot_ops = { | 586 | static struct hotplug_slot_ops cpqphp_hotplug_slot_ops = { |
611 | .set_attention_status = set_attention_status, | 587 | .set_attention_status = set_attention_status, |
612 | .enable_slot = process_SI, | 588 | .enable_slot = process_SI, |
@@ -616,8 +592,6 @@ static struct hotplug_slot_ops cpqphp_hotplug_slot_ops = { | |||
616 | .get_attention_status = get_attention_status, | 592 | .get_attention_status = get_attention_status, |
617 | .get_latch_status = get_latch_status, | 593 | .get_latch_status = get_latch_status, |
618 | .get_adapter_status = get_adapter_status, | 594 | .get_adapter_status = get_adapter_status, |
619 | .get_max_bus_speed = get_max_bus_speed, | ||
620 | .get_cur_bus_speed = get_cur_bus_speed, | ||
621 | }; | 595 | }; |
622 | 596 | ||
623 | #define SLOT_NAME_SIZE 10 | 597 | #define SLOT_NAME_SIZE 10 |
@@ -629,6 +603,7 @@ static int ctrl_slot_setup(struct controller *ctrl, | |||
629 | struct slot *slot; | 603 | struct slot *slot; |
630 | struct hotplug_slot *hotplug_slot; | 604 | struct hotplug_slot *hotplug_slot; |
631 | struct hotplug_slot_info *hotplug_slot_info; | 605 | struct hotplug_slot_info *hotplug_slot_info; |
606 | struct pci_bus *bus = ctrl->pci_bus; | ||
632 | u8 number_of_slots; | 607 | u8 number_of_slots; |
633 | u8 slot_device; | 608 | u8 slot_device; |
634 | u8 slot_number; | 609 | u8 slot_number; |
@@ -694,7 +669,7 @@ static int ctrl_slot_setup(struct controller *ctrl, | |||
694 | slot->capabilities |= PCISLOT_64_BIT_SUPPORTED; | 669 | slot->capabilities |= PCISLOT_64_BIT_SUPPORTED; |
695 | if (is_slot66mhz(slot)) | 670 | if (is_slot66mhz(slot)) |
696 | slot->capabilities |= PCISLOT_66_MHZ_SUPPORTED; | 671 | slot->capabilities |= PCISLOT_66_MHZ_SUPPORTED; |
697 | if (ctrl->speed == PCI_SPEED_66MHz) | 672 | if (bus->cur_bus_speed == PCI_SPEED_66MHz) |
698 | slot->capabilities |= PCISLOT_66_MHZ_OPERATION; | 673 | slot->capabilities |= PCISLOT_66_MHZ_OPERATION; |
699 | 674 | ||
700 | ctrl_slot = | 675 | ctrl_slot = |
@@ -844,6 +819,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |||
844 | u32 rc; | 819 | u32 rc; |
845 | struct controller *ctrl; | 820 | struct controller *ctrl; |
846 | struct pci_func *func; | 821 | struct pci_func *func; |
822 | struct pci_bus *bus; | ||
847 | int err; | 823 | int err; |
848 | 824 | ||
849 | err = pci_enable_device(pdev); | 825 | err = pci_enable_device(pdev); |
@@ -852,6 +828,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |||
852 | pci_name(pdev), err); | 828 | pci_name(pdev), err); |
853 | return err; | 829 | return err; |
854 | } | 830 | } |
831 | bus = pdev->subordinate; | ||
855 | 832 | ||
856 | /* Need to read VID early b/c it's used to differentiate CPQ and INTC | 833 | /* Need to read VID early b/c it's used to differentiate CPQ and INTC |
857 | * discovery | 834 | * discovery |
@@ -929,22 +906,22 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |||
929 | pci_read_config_byte(pdev, 0x41, &bus_cap); | 906 | pci_read_config_byte(pdev, 0x41, &bus_cap); |
930 | if (bus_cap & 0x80) { | 907 | if (bus_cap & 0x80) { |
931 | dbg("bus max supports 133MHz PCI-X\n"); | 908 | dbg("bus max supports 133MHz PCI-X\n"); |
932 | ctrl->speed_capability = PCI_SPEED_133MHz_PCIX; | 909 | bus->max_bus_speed = PCI_SPEED_133MHz_PCIX; |
933 | break; | 910 | break; |
934 | } | 911 | } |
935 | if (bus_cap & 0x40) { | 912 | if (bus_cap & 0x40) { |
936 | dbg("bus max supports 100MHz PCI-X\n"); | 913 | dbg("bus max supports 100MHz PCI-X\n"); |
937 | ctrl->speed_capability = PCI_SPEED_100MHz_PCIX; | 914 | bus->max_bus_speed = PCI_SPEED_100MHz_PCIX; |
938 | break; | 915 | break; |
939 | } | 916 | } |
940 | if (bus_cap & 20) { | 917 | if (bus_cap & 20) { |
941 | dbg("bus max supports 66MHz PCI-X\n"); | 918 | dbg("bus max supports 66MHz PCI-X\n"); |
942 | ctrl->speed_capability = PCI_SPEED_66MHz_PCIX; | 919 | bus->max_bus_speed = PCI_SPEED_66MHz_PCIX; |
943 | break; | 920 | break; |
944 | } | 921 | } |
945 | if (bus_cap & 10) { | 922 | if (bus_cap & 10) { |
946 | dbg("bus max supports 66MHz PCI\n"); | 923 | dbg("bus max supports 66MHz PCI\n"); |
947 | ctrl->speed_capability = PCI_SPEED_66MHz; | 924 | bus->max_bus_speed = PCI_SPEED_66MHz; |
948 | break; | 925 | break; |
949 | } | 926 | } |
950 | 927 | ||
@@ -955,7 +932,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |||
955 | case PCI_SUB_HPC_ID: | 932 | case PCI_SUB_HPC_ID: |
956 | /* Original 6500/7000 implementation */ | 933 | /* Original 6500/7000 implementation */ |
957 | ctrl->slot_switch_type = 1; | 934 | ctrl->slot_switch_type = 1; |
958 | ctrl->speed_capability = PCI_SPEED_33MHz; | 935 | bus->max_bus_speed = PCI_SPEED_33MHz; |
959 | ctrl->push_button = 0; | 936 | ctrl->push_button = 0; |
960 | ctrl->pci_config_space = 1; | 937 | ctrl->pci_config_space = 1; |
961 | ctrl->defeature_PHP = 1; | 938 | ctrl->defeature_PHP = 1; |
@@ -966,7 +943,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |||
966 | /* First Pushbutton implementation */ | 943 | /* First Pushbutton implementation */ |
967 | ctrl->push_flag = 1; | 944 | ctrl->push_flag = 1; |
968 | ctrl->slot_switch_type = 1; | 945 | ctrl->slot_switch_type = 1; |
969 | ctrl->speed_capability = PCI_SPEED_33MHz; | 946 | bus->max_bus_speed = PCI_SPEED_33MHz; |
970 | ctrl->push_button = 1; | 947 | ctrl->push_button = 1; |
971 | ctrl->pci_config_space = 1; | 948 | ctrl->pci_config_space = 1; |
972 | ctrl->defeature_PHP = 1; | 949 | ctrl->defeature_PHP = 1; |
@@ -976,7 +953,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |||
976 | case PCI_SUB_HPC_ID_INTC: | 953 | case PCI_SUB_HPC_ID_INTC: |
977 | /* Third party (6500/7000) */ | 954 | /* Third party (6500/7000) */ |
978 | ctrl->slot_switch_type = 1; | 955 | ctrl->slot_switch_type = 1; |
979 | ctrl->speed_capability = PCI_SPEED_33MHz; | 956 | bus->max_bus_speed = PCI_SPEED_33MHz; |
980 | ctrl->push_button = 0; | 957 | ctrl->push_button = 0; |
981 | ctrl->pci_config_space = 1; | 958 | ctrl->pci_config_space = 1; |
982 | ctrl->defeature_PHP = 1; | 959 | ctrl->defeature_PHP = 1; |
@@ -987,7 +964,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |||
987 | /* First 66 Mhz implementation */ | 964 | /* First 66 Mhz implementation */ |
988 | ctrl->push_flag = 1; | 965 | ctrl->push_flag = 1; |
989 | ctrl->slot_switch_type = 1; | 966 | ctrl->slot_switch_type = 1; |
990 | ctrl->speed_capability = PCI_SPEED_66MHz; | 967 | bus->max_bus_speed = PCI_SPEED_66MHz; |
991 | ctrl->push_button = 1; | 968 | ctrl->push_button = 1; |
992 | ctrl->pci_config_space = 1; | 969 | ctrl->pci_config_space = 1; |
993 | ctrl->defeature_PHP = 1; | 970 | ctrl->defeature_PHP = 1; |
@@ -998,7 +975,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |||
998 | /* First PCI-X implementation, 100MHz */ | 975 | /* First PCI-X implementation, 100MHz */ |
999 | ctrl->push_flag = 1; | 976 | ctrl->push_flag = 1; |
1000 | ctrl->slot_switch_type = 1; | 977 | ctrl->slot_switch_type = 1; |
1001 | ctrl->speed_capability = PCI_SPEED_100MHz_PCIX; | 978 | bus->max_bus_speed = PCI_SPEED_100MHz_PCIX; |
1002 | ctrl->push_button = 1; | 979 | ctrl->push_button = 1; |
1003 | ctrl->pci_config_space = 1; | 980 | ctrl->pci_config_space = 1; |
1004 | ctrl->defeature_PHP = 1; | 981 | ctrl->defeature_PHP = 1; |
@@ -1015,9 +992,9 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |||
1015 | case PCI_VENDOR_ID_INTEL: | 992 | case PCI_VENDOR_ID_INTEL: |
1016 | /* Check for speed capability (0=33, 1=66) */ | 993 | /* Check for speed capability (0=33, 1=66) */ |
1017 | if (subsystem_deviceid & 0x0001) | 994 | if (subsystem_deviceid & 0x0001) |
1018 | ctrl->speed_capability = PCI_SPEED_66MHz; | 995 | bus->max_bus_speed = PCI_SPEED_66MHz; |
1019 | else | 996 | else |
1020 | ctrl->speed_capability = PCI_SPEED_33MHz; | 997 | bus->max_bus_speed = PCI_SPEED_33MHz; |
1021 | 998 | ||
1022 | /* Check for push button */ | 999 | /* Check for push button */ |
1023 | if (subsystem_deviceid & 0x0002) | 1000 | if (subsystem_deviceid & 0x0002) |
@@ -1079,7 +1056,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |||
1079 | pdev->bus->number); | 1056 | pdev->bus->number); |
1080 | 1057 | ||
1081 | dbg("Hotplug controller capabilities:\n"); | 1058 | dbg("Hotplug controller capabilities:\n"); |
1082 | dbg(" speed_capability %d\n", ctrl->speed_capability); | 1059 | dbg(" speed_capability %d\n", bus->max_bus_speed); |
1083 | dbg(" slot_switch_type %s\n", ctrl->slot_switch_type ? | 1060 | dbg(" slot_switch_type %s\n", ctrl->slot_switch_type ? |
1084 | "switch present" : "no switch"); | 1061 | "switch present" : "no switch"); |
1085 | dbg(" defeature_PHP %s\n", ctrl->defeature_PHP ? | 1062 | dbg(" defeature_PHP %s\n", ctrl->defeature_PHP ? |
@@ -1142,7 +1119,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |||
1142 | } | 1119 | } |
1143 | 1120 | ||
1144 | /* Check for 66Mhz operation */ | 1121 | /* Check for 66Mhz operation */ |
1145 | ctrl->speed = get_controller_speed(ctrl); | 1122 | bus->cur_bus_speed = get_controller_speed(ctrl); |
1146 | 1123 | ||
1147 | 1124 | ||
1148 | /******************************************************** | 1125 | /******************************************************** |
diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c index 0ff689afa757..e43908d9b5df 100644 --- a/drivers/pci/hotplug/cpqphp_ctrl.c +++ b/drivers/pci/hotplug/cpqphp_ctrl.c | |||
@@ -1130,12 +1130,13 @@ static int is_bridge(struct pci_func * func) | |||
1130 | static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_slot) | 1130 | static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_slot) |
1131 | { | 1131 | { |
1132 | struct slot *slot; | 1132 | struct slot *slot; |
1133 | struct pci_bus *bus = ctrl->pci_bus; | ||
1133 | u8 reg; | 1134 | u8 reg; |
1134 | u8 slot_power = readb(ctrl->hpc_reg + SLOT_POWER); | 1135 | u8 slot_power = readb(ctrl->hpc_reg + SLOT_POWER); |
1135 | u16 reg16; | 1136 | u16 reg16; |
1136 | u32 leds = readl(ctrl->hpc_reg + LED_CONTROL); | 1137 | u32 leds = readl(ctrl->hpc_reg + LED_CONTROL); |
1137 | 1138 | ||
1138 | if (ctrl->speed == adapter_speed) | 1139 | if (bus->cur_bus_speed == adapter_speed) |
1139 | return 0; | 1140 | return 0; |
1140 | 1141 | ||
1141 | /* We don't allow freq/mode changes if we find another adapter running | 1142 | /* We don't allow freq/mode changes if we find another adapter running |
@@ -1152,7 +1153,7 @@ static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_ | |||
1152 | * lower speed/mode, we allow the new adapter to function at | 1153 | * lower speed/mode, we allow the new adapter to function at |
1153 | * this rate if supported | 1154 | * this rate if supported |
1154 | */ | 1155 | */ |
1155 | if (ctrl->speed < adapter_speed) | 1156 | if (bus->cur_bus_speed < adapter_speed) |
1156 | return 0; | 1157 | return 0; |
1157 | 1158 | ||
1158 | return 1; | 1159 | return 1; |
@@ -1161,20 +1162,20 @@ static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_ | |||
1161 | /* If the controller doesn't support freq/mode changes and the | 1162 | /* If the controller doesn't support freq/mode changes and the |
1162 | * controller is running at a higher mode, we bail | 1163 | * controller is running at a higher mode, we bail |
1163 | */ | 1164 | */ |
1164 | if ((ctrl->speed > adapter_speed) && (!ctrl->pcix_speed_capability)) | 1165 | if ((bus->cur_bus_speed > adapter_speed) && (!ctrl->pcix_speed_capability)) |
1165 | return 1; | 1166 | return 1; |
1166 | 1167 | ||
1167 | /* But we allow the adapter to run at a lower rate if possible */ | 1168 | /* But we allow the adapter to run at a lower rate if possible */ |
1168 | if ((ctrl->speed < adapter_speed) && (!ctrl->pcix_speed_capability)) | 1169 | if ((bus->cur_bus_speed < adapter_speed) && (!ctrl->pcix_speed_capability)) |
1169 | return 0; | 1170 | return 0; |
1170 | 1171 | ||
1171 | /* We try to set the max speed supported by both the adapter and | 1172 | /* We try to set the max speed supported by both the adapter and |
1172 | * controller | 1173 | * controller |
1173 | */ | 1174 | */ |
1174 | if (ctrl->speed_capability < adapter_speed) { | 1175 | if (bus->max_bus_speed < adapter_speed) { |
1175 | if (ctrl->speed == ctrl->speed_capability) | 1176 | if (bus->cur_bus_speed == bus->max_bus_speed) |
1176 | return 0; | 1177 | return 0; |
1177 | adapter_speed = ctrl->speed_capability; | 1178 | adapter_speed = bus->max_bus_speed; |
1178 | } | 1179 | } |
1179 | 1180 | ||
1180 | writel(0x0L, ctrl->hpc_reg + LED_CONTROL); | 1181 | writel(0x0L, ctrl->hpc_reg + LED_CONTROL); |
@@ -1229,8 +1230,8 @@ static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_ | |||
1229 | pci_write_config_byte(ctrl->pci_dev, 0x43, reg); | 1230 | pci_write_config_byte(ctrl->pci_dev, 0x43, reg); |
1230 | 1231 | ||
1231 | /* Only if mode change...*/ | 1232 | /* Only if mode change...*/ |
1232 | if (((ctrl->speed == PCI_SPEED_66MHz) && (adapter_speed == PCI_SPEED_66MHz_PCIX)) || | 1233 | if (((bus->cur_bus_speed == PCI_SPEED_66MHz) && (adapter_speed == PCI_SPEED_66MHz_PCIX)) || |
1233 | ((ctrl->speed == PCI_SPEED_66MHz_PCIX) && (adapter_speed == PCI_SPEED_66MHz))) | 1234 | ((bus->cur_bus_speed == PCI_SPEED_66MHz_PCIX) && (adapter_speed == PCI_SPEED_66MHz))) |
1234 | set_SOGO(ctrl); | 1235 | set_SOGO(ctrl); |
1235 | 1236 | ||
1236 | wait_for_ctrl_irq(ctrl); | 1237 | wait_for_ctrl_irq(ctrl); |
@@ -1243,7 +1244,7 @@ static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_ | |||
1243 | set_SOGO(ctrl); | 1244 | set_SOGO(ctrl); |
1244 | wait_for_ctrl_irq(ctrl); | 1245 | wait_for_ctrl_irq(ctrl); |
1245 | 1246 | ||
1246 | ctrl->speed = adapter_speed; | 1247 | bus->cur_bus_speed = adapter_speed; |
1247 | slot = cpqhp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); | 1248 | slot = cpqhp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); |
1248 | 1249 | ||
1249 | info("Successfully changed frequency/mode for adapter in slot %d\n", | 1250 | info("Successfully changed frequency/mode for adapter in slot %d\n", |
@@ -1269,6 +1270,7 @@ static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_ | |||
1269 | */ | 1270 | */ |
1270 | static u32 board_replaced(struct pci_func *func, struct controller *ctrl) | 1271 | static u32 board_replaced(struct pci_func *func, struct controller *ctrl) |
1271 | { | 1272 | { |
1273 | struct pci_bus *bus = ctrl->pci_bus; | ||
1272 | u8 hp_slot; | 1274 | u8 hp_slot; |
1273 | u8 temp_byte; | 1275 | u8 temp_byte; |
1274 | u8 adapter_speed; | 1276 | u8 adapter_speed; |
@@ -1309,7 +1311,7 @@ static u32 board_replaced(struct pci_func *func, struct controller *ctrl) | |||
1309 | wait_for_ctrl_irq (ctrl); | 1311 | wait_for_ctrl_irq (ctrl); |
1310 | 1312 | ||
1311 | adapter_speed = get_adapter_speed(ctrl, hp_slot); | 1313 | adapter_speed = get_adapter_speed(ctrl, hp_slot); |
1312 | if (ctrl->speed != adapter_speed) | 1314 | if (bus->cur_bus_speed != adapter_speed) |
1313 | if (set_controller_speed(ctrl, adapter_speed, hp_slot)) | 1315 | if (set_controller_speed(ctrl, adapter_speed, hp_slot)) |
1314 | rc = WRONG_BUS_FREQUENCY; | 1316 | rc = WRONG_BUS_FREQUENCY; |
1315 | 1317 | ||
@@ -1426,6 +1428,7 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl) | |||
1426 | u32 temp_register = 0xFFFFFFFF; | 1428 | u32 temp_register = 0xFFFFFFFF; |
1427 | u32 rc = 0; | 1429 | u32 rc = 0; |
1428 | struct pci_func *new_slot = NULL; | 1430 | struct pci_func *new_slot = NULL; |
1431 | struct pci_bus *bus = ctrl->pci_bus; | ||
1429 | struct slot *p_slot; | 1432 | struct slot *p_slot; |
1430 | struct resource_lists res_lists; | 1433 | struct resource_lists res_lists; |
1431 | 1434 | ||
@@ -1456,7 +1459,7 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl) | |||
1456 | wait_for_ctrl_irq (ctrl); | 1459 | wait_for_ctrl_irq (ctrl); |
1457 | 1460 | ||
1458 | adapter_speed = get_adapter_speed(ctrl, hp_slot); | 1461 | adapter_speed = get_adapter_speed(ctrl, hp_slot); |
1459 | if (ctrl->speed != adapter_speed) | 1462 | if (bus->cur_bus_speed != adapter_speed) |
1460 | if (set_controller_speed(ctrl, adapter_speed, hp_slot)) | 1463 | if (set_controller_speed(ctrl, adapter_speed, hp_slot)) |
1461 | rc = WRONG_BUS_FREQUENCY; | 1464 | rc = WRONG_BUS_FREQUENCY; |
1462 | 1465 | ||
diff --git a/drivers/pci/hotplug/ibmphp_core.c b/drivers/pci/hotplug/ibmphp_core.c index 7485ffda950c..d934dd4fa873 100644 --- a/drivers/pci/hotplug/ibmphp_core.c +++ b/drivers/pci/hotplug/ibmphp_core.c | |||
@@ -395,89 +395,40 @@ static int get_adapter_present(struct hotplug_slot *hotplug_slot, u8 * value) | |||
395 | return rc; | 395 | return rc; |
396 | } | 396 | } |
397 | 397 | ||
398 | static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value) | 398 | static int get_max_bus_speed(struct slot *slot) |
399 | { | 399 | { |
400 | int rc = -ENODEV; | 400 | int rc; |
401 | struct slot *pslot; | ||
402 | u8 mode = 0; | 401 | u8 mode = 0; |
402 | enum pci_bus_speed speed; | ||
403 | struct pci_bus *bus = slot->hotplug_slot->pci_slot->bus; | ||
403 | 404 | ||
404 | debug("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __func__, | 405 | debug("%s - Entry slot[%p]\n", __func__, slot); |
405 | hotplug_slot, value); | ||
406 | 406 | ||
407 | ibmphp_lock_operations(); | 407 | ibmphp_lock_operations(); |
408 | 408 | mode = slot->supported_bus_mode; | |
409 | if (hotplug_slot) { | 409 | speed = slot->supported_speed; |
410 | pslot = hotplug_slot->private; | ||
411 | if (pslot) { | ||
412 | rc = 0; | ||
413 | mode = pslot->supported_bus_mode; | ||
414 | *value = pslot->supported_speed; | ||
415 | switch (*value) { | ||
416 | case BUS_SPEED_33: | ||
417 | break; | ||
418 | case BUS_SPEED_66: | ||
419 | if (mode == BUS_MODE_PCIX) | ||
420 | *value += 0x01; | ||
421 | break; | ||
422 | case BUS_SPEED_100: | ||
423 | case BUS_SPEED_133: | ||
424 | *value = pslot->supported_speed + 0x01; | ||
425 | break; | ||
426 | default: | ||
427 | /* Note (will need to change): there would be soon 256, 512 also */ | ||
428 | rc = -ENODEV; | ||
429 | } | ||
430 | } | ||
431 | } | ||
432 | |||
433 | ibmphp_unlock_operations(); | 410 | ibmphp_unlock_operations(); |
434 | debug("%s - Exit rc[%d] value[%x]\n", __func__, rc, *value); | ||
435 | return rc; | ||
436 | } | ||
437 | 411 | ||
438 | static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value) | 412 | switch (speed) { |
439 | { | 413 | case BUS_SPEED_33: |
440 | int rc = -ENODEV; | 414 | break; |
441 | struct slot *pslot; | 415 | case BUS_SPEED_66: |
442 | u8 mode = 0; | 416 | if (mode == BUS_MODE_PCIX) |
443 | 417 | speed += 0x01; | |
444 | debug("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __func__, | 418 | break; |
445 | hotplug_slot, value); | 419 | case BUS_SPEED_100: |
446 | 420 | case BUS_SPEED_133: | |
447 | ibmphp_lock_operations(); | 421 | speed += 0x01; |
448 | 422 | break; | |
449 | if (hotplug_slot) { | 423 | default: |
450 | pslot = hotplug_slot->private; | 424 | /* Note (will need to change): there would be soon 256, 512 also */ |
451 | if (pslot) { | 425 | rc = -ENODEV; |
452 | rc = get_cur_bus_info(&pslot); | ||
453 | if (!rc) { | ||
454 | mode = pslot->bus_on->current_bus_mode; | ||
455 | *value = pslot->bus_on->current_speed; | ||
456 | switch (*value) { | ||
457 | case BUS_SPEED_33: | ||
458 | break; | ||
459 | case BUS_SPEED_66: | ||
460 | if (mode == BUS_MODE_PCIX) | ||
461 | *value += 0x01; | ||
462 | else if (mode == BUS_MODE_PCI) | ||
463 | ; | ||
464 | else | ||
465 | *value = PCI_SPEED_UNKNOWN; | ||
466 | break; | ||
467 | case BUS_SPEED_100: | ||
468 | case BUS_SPEED_133: | ||
469 | *value += 0x01; | ||
470 | break; | ||
471 | default: | ||
472 | /* Note of change: there would also be 256, 512 soon */ | ||
473 | rc = -ENODEV; | ||
474 | } | ||
475 | } | ||
476 | } | ||
477 | } | 426 | } |
478 | 427 | ||
479 | ibmphp_unlock_operations(); | 428 | if (!rc) |
480 | debug("%s - Exit rc[%d] value[%x]\n", __func__, rc, *value); | 429 | bus->max_bus_speed = speed; |
430 | |||
431 | debug("%s - Exit rc[%d] speed[%x]\n", __func__, rc, speed); | ||
481 | return rc; | 432 | return rc; |
482 | } | 433 | } |
483 | 434 | ||
@@ -572,6 +523,7 @@ static int __init init_ops(void) | |||
572 | if (slot_cur->bus_on->current_speed == 0xFF) | 523 | if (slot_cur->bus_on->current_speed == 0xFF) |
573 | if (get_cur_bus_info(&slot_cur)) | 524 | if (get_cur_bus_info(&slot_cur)) |
574 | return -1; | 525 | return -1; |
526 | get_max_bus_speed(slot_cur); | ||
575 | 527 | ||
576 | if (slot_cur->ctrl->options == 0xFF) | 528 | if (slot_cur->ctrl->options == 0xFF) |
577 | if (get_hpc_options(slot_cur, &slot_cur->ctrl->options)) | 529 | if (get_hpc_options(slot_cur, &slot_cur->ctrl->options)) |
@@ -655,6 +607,7 @@ static int validate(struct slot *slot_cur, int opn) | |||
655 | int ibmphp_update_slot_info(struct slot *slot_cur) | 607 | int ibmphp_update_slot_info(struct slot *slot_cur) |
656 | { | 608 | { |
657 | struct hotplug_slot_info *info; | 609 | struct hotplug_slot_info *info; |
610 | struct pci_bus *bus = slot_cur->hotplug_slot->pci_slot->bus; | ||
658 | int rc; | 611 | int rc; |
659 | u8 bus_speed; | 612 | u8 bus_speed; |
660 | u8 mode; | 613 | u8 mode; |
@@ -700,8 +653,7 @@ int ibmphp_update_slot_info(struct slot *slot_cur) | |||
700 | bus_speed = PCI_SPEED_UNKNOWN; | 653 | bus_speed = PCI_SPEED_UNKNOWN; |
701 | } | 654 | } |
702 | 655 | ||
703 | info->cur_bus_speed = bus_speed; | 656 | bus->cur_bus_speed = bus_speed; |
704 | info->max_bus_speed = slot_cur->hotplug_slot->info->max_bus_speed; | ||
705 | // To do: bus_names | 657 | // To do: bus_names |
706 | 658 | ||
707 | rc = pci_hp_change_slot_info(slot_cur->hotplug_slot, info); | 659 | rc = pci_hp_change_slot_info(slot_cur->hotplug_slot, info); |
@@ -1326,8 +1278,6 @@ struct hotplug_slot_ops ibmphp_hotplug_slot_ops = { | |||
1326 | .get_attention_status = get_attention_status, | 1278 | .get_attention_status = get_attention_status, |
1327 | .get_latch_status = get_latch_status, | 1279 | .get_latch_status = get_latch_status, |
1328 | .get_adapter_status = get_adapter_present, | 1280 | .get_adapter_status = get_adapter_present, |
1329 | .get_max_bus_speed = get_max_bus_speed, | ||
1330 | .get_cur_bus_speed = get_cur_bus_speed, | ||
1331 | /* .get_max_adapter_speed = get_max_adapter_speed, | 1281 | /* .get_max_adapter_speed = get_max_adapter_speed, |
1332 | .get_bus_name_status = get_bus_name, | 1282 | .get_bus_name_status = get_bus_name, |
1333 | */ | 1283 | */ |
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c index 38183a534b65..728b119f71ad 100644 --- a/drivers/pci/hotplug/pci_hotplug_core.c +++ b/drivers/pci/hotplug/pci_hotplug_core.c | |||
@@ -64,32 +64,6 @@ static int debug; | |||
64 | static LIST_HEAD(pci_hotplug_slot_list); | 64 | static LIST_HEAD(pci_hotplug_slot_list); |
65 | static DEFINE_MUTEX(pci_hp_mutex); | 65 | static DEFINE_MUTEX(pci_hp_mutex); |
66 | 66 | ||
67 | /* these strings match up with the values in pci_bus_speed */ | ||
68 | static char *pci_bus_speed_strings[] = { | ||
69 | "33 MHz PCI", /* 0x00 */ | ||
70 | "66 MHz PCI", /* 0x01 */ | ||
71 | "66 MHz PCI-X", /* 0x02 */ | ||
72 | "100 MHz PCI-X", /* 0x03 */ | ||
73 | "133 MHz PCI-X", /* 0x04 */ | ||
74 | NULL, /* 0x05 */ | ||
75 | NULL, /* 0x06 */ | ||
76 | NULL, /* 0x07 */ | ||
77 | NULL, /* 0x08 */ | ||
78 | "66 MHz PCI-X 266", /* 0x09 */ | ||
79 | "100 MHz PCI-X 266", /* 0x0a */ | ||
80 | "133 MHz PCI-X 266", /* 0x0b */ | ||
81 | NULL, /* 0x0c */ | ||
82 | NULL, /* 0x0d */ | ||
83 | NULL, /* 0x0e */ | ||
84 | NULL, /* 0x0f */ | ||
85 | NULL, /* 0x10 */ | ||
86 | "66 MHz PCI-X 533", /* 0x11 */ | ||
87 | "100 MHz PCI-X 533", /* 0x12 */ | ||
88 | "133 MHz PCI-X 533", /* 0x13 */ | ||
89 | "2.5 GT/s PCIe", /* 0x14 */ | ||
90 | "5.0 GT/s PCIe", /* 0x15 */ | ||
91 | }; | ||
92 | |||
93 | #ifdef CONFIG_HOTPLUG_PCI_CPCI | 67 | #ifdef CONFIG_HOTPLUG_PCI_CPCI |
94 | extern int cpci_hotplug_init(int debug); | 68 | extern int cpci_hotplug_init(int debug); |
95 | extern void cpci_hotplug_exit(void); | 69 | extern void cpci_hotplug_exit(void); |
@@ -118,8 +92,6 @@ GET_STATUS(power_status, u8) | |||
118 | GET_STATUS(attention_status, u8) | 92 | GET_STATUS(attention_status, u8) |
119 | GET_STATUS(latch_status, u8) | 93 | GET_STATUS(latch_status, u8) |
120 | GET_STATUS(adapter_status, u8) | 94 | GET_STATUS(adapter_status, u8) |
121 | GET_STATUS(max_bus_speed, enum pci_bus_speed) | ||
122 | GET_STATUS(cur_bus_speed, enum pci_bus_speed) | ||
123 | 95 | ||
124 | static ssize_t power_read_file(struct pci_slot *slot, char *buf) | 96 | static ssize_t power_read_file(struct pci_slot *slot, char *buf) |
125 | { | 97 | { |
@@ -263,60 +235,6 @@ static struct pci_slot_attribute hotplug_slot_attr_presence = { | |||
263 | .show = presence_read_file, | 235 | .show = presence_read_file, |
264 | }; | 236 | }; |
265 | 237 | ||
266 | static char *unknown_speed = "Unknown bus speed"; | ||
267 | |||
268 | static ssize_t max_bus_speed_read_file(struct pci_slot *slot, char *buf) | ||
269 | { | ||
270 | char *speed_string; | ||
271 | int retval; | ||
272 | enum pci_bus_speed value; | ||
273 | |||
274 | retval = get_max_bus_speed(slot->hotplug, &value); | ||
275 | if (retval) | ||
276 | goto exit; | ||
277 | |||
278 | if (value == PCI_SPEED_UNKNOWN) | ||
279 | speed_string = unknown_speed; | ||
280 | else | ||
281 | speed_string = pci_bus_speed_strings[value]; | ||
282 | |||
283 | retval = sprintf (buf, "%s\n", speed_string); | ||
284 | |||
285 | exit: | ||
286 | return retval; | ||
287 | } | ||
288 | |||
289 | static struct pci_slot_attribute hotplug_slot_attr_max_bus_speed = { | ||
290 | .attr = {.name = "max_bus_speed", .mode = S_IFREG | S_IRUGO}, | ||
291 | .show = max_bus_speed_read_file, | ||
292 | }; | ||
293 | |||
294 | static ssize_t cur_bus_speed_read_file(struct pci_slot *slot, char *buf) | ||
295 | { | ||
296 | char *speed_string; | ||
297 | int retval; | ||
298 | enum pci_bus_speed value; | ||
299 | |||
300 | retval = get_cur_bus_speed(slot->hotplug, &value); | ||
301 | if (retval) | ||
302 | goto exit; | ||
303 | |||
304 | if (value == PCI_SPEED_UNKNOWN) | ||
305 | speed_string = unknown_speed; | ||
306 | else | ||
307 | speed_string = pci_bus_speed_strings[value]; | ||
308 | |||
309 | retval = sprintf (buf, "%s\n", speed_string); | ||
310 | |||
311 | exit: | ||
312 | return retval; | ||
313 | } | ||
314 | |||
315 | static struct pci_slot_attribute hotplug_slot_attr_cur_bus_speed = { | ||
316 | .attr = {.name = "cur_bus_speed", .mode = S_IFREG | S_IRUGO}, | ||
317 | .show = cur_bus_speed_read_file, | ||
318 | }; | ||
319 | |||
320 | static ssize_t test_write_file(struct pci_slot *pci_slot, const char *buf, | 238 | static ssize_t test_write_file(struct pci_slot *pci_slot, const char *buf, |
321 | size_t count) | 239 | size_t count) |
322 | { | 240 | { |
@@ -391,26 +309,6 @@ static bool has_adapter_file(struct pci_slot *pci_slot) | |||
391 | return false; | 309 | return false; |
392 | } | 310 | } |
393 | 311 | ||
394 | static bool has_max_bus_speed_file(struct pci_slot *pci_slot) | ||
395 | { | ||
396 | struct hotplug_slot *slot = pci_slot->hotplug; | ||
397 | if ((!slot) || (!slot->ops)) | ||
398 | return false; | ||
399 | if (slot->ops->get_max_bus_speed) | ||
400 | return true; | ||
401 | return false; | ||
402 | } | ||
403 | |||
404 | static bool has_cur_bus_speed_file(struct pci_slot *pci_slot) | ||
405 | { | ||
406 | struct hotplug_slot *slot = pci_slot->hotplug; | ||
407 | if ((!slot) || (!slot->ops)) | ||
408 | return false; | ||
409 | if (slot->ops->get_cur_bus_speed) | ||
410 | return true; | ||
411 | return false; | ||
412 | } | ||
413 | |||
414 | static bool has_test_file(struct pci_slot *pci_slot) | 312 | static bool has_test_file(struct pci_slot *pci_slot) |
415 | { | 313 | { |
416 | struct hotplug_slot *slot = pci_slot->hotplug; | 314 | struct hotplug_slot *slot = pci_slot->hotplug; |
@@ -456,20 +354,6 @@ static int fs_add_slot(struct pci_slot *slot) | |||
456 | goto exit_adapter; | 354 | goto exit_adapter; |
457 | } | 355 | } |
458 | 356 | ||
459 | if (has_max_bus_speed_file(slot)) { | ||
460 | retval = sysfs_create_file(&slot->kobj, | ||
461 | &hotplug_slot_attr_max_bus_speed.attr); | ||
462 | if (retval) | ||
463 | goto exit_max_speed; | ||
464 | } | ||
465 | |||
466 | if (has_cur_bus_speed_file(slot)) { | ||
467 | retval = sysfs_create_file(&slot->kobj, | ||
468 | &hotplug_slot_attr_cur_bus_speed.attr); | ||
469 | if (retval) | ||
470 | goto exit_cur_speed; | ||
471 | } | ||
472 | |||
473 | if (has_test_file(slot)) { | 357 | if (has_test_file(slot)) { |
474 | retval = sysfs_create_file(&slot->kobj, | 358 | retval = sysfs_create_file(&slot->kobj, |
475 | &hotplug_slot_attr_test.attr); | 359 | &hotplug_slot_attr_test.attr); |
@@ -480,14 +364,6 @@ static int fs_add_slot(struct pci_slot *slot) | |||
480 | goto exit; | 364 | goto exit; |
481 | 365 | ||
482 | exit_test: | 366 | exit_test: |
483 | if (has_cur_bus_speed_file(slot)) | ||
484 | sysfs_remove_file(&slot->kobj, | ||
485 | &hotplug_slot_attr_cur_bus_speed.attr); | ||
486 | exit_cur_speed: | ||
487 | if (has_max_bus_speed_file(slot)) | ||
488 | sysfs_remove_file(&slot->kobj, | ||
489 | &hotplug_slot_attr_max_bus_speed.attr); | ||
490 | exit_max_speed: | ||
491 | if (has_adapter_file(slot)) | 367 | if (has_adapter_file(slot)) |
492 | sysfs_remove_file(&slot->kobj, | 368 | sysfs_remove_file(&slot->kobj, |
493 | &hotplug_slot_attr_presence.attr); | 369 | &hotplug_slot_attr_presence.attr); |
@@ -523,14 +399,6 @@ static void fs_remove_slot(struct pci_slot *slot) | |||
523 | sysfs_remove_file(&slot->kobj, | 399 | sysfs_remove_file(&slot->kobj, |
524 | &hotplug_slot_attr_presence.attr); | 400 | &hotplug_slot_attr_presence.attr); |
525 | 401 | ||
526 | if (has_max_bus_speed_file(slot)) | ||
527 | sysfs_remove_file(&slot->kobj, | ||
528 | &hotplug_slot_attr_max_bus_speed.attr); | ||
529 | |||
530 | if (has_cur_bus_speed_file(slot)) | ||
531 | sysfs_remove_file(&slot->kobj, | ||
532 | &hotplug_slot_attr_cur_bus_speed.attr); | ||
533 | |||
534 | if (has_test_file(slot)) | 402 | if (has_test_file(slot)) |
535 | sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_test.attr); | 403 | sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_test.attr); |
536 | 404 | ||
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 5674b2075bdc..920f820edf87 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c | |||
@@ -69,8 +69,6 @@ static int get_power_status (struct hotplug_slot *slot, u8 *value); | |||
69 | static int get_attention_status (struct hotplug_slot *slot, u8 *value); | 69 | static int get_attention_status (struct hotplug_slot *slot, u8 *value); |
70 | static int get_latch_status (struct hotplug_slot *slot, u8 *value); | 70 | static int get_latch_status (struct hotplug_slot *slot, u8 *value); |
71 | static int get_adapter_status (struct hotplug_slot *slot, u8 *value); | 71 | static int get_adapter_status (struct hotplug_slot *slot, u8 *value); |
72 | static int get_max_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value); | ||
73 | static int get_cur_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value); | ||
74 | 72 | ||
75 | /** | 73 | /** |
76 | * release_slot - free up the memory used by a slot | 74 | * release_slot - free up the memory used by a slot |
@@ -113,8 +111,6 @@ static int init_slot(struct controller *ctrl) | |||
113 | ops->disable_slot = disable_slot; | 111 | ops->disable_slot = disable_slot; |
114 | ops->get_power_status = get_power_status; | 112 | ops->get_power_status = get_power_status; |
115 | ops->get_adapter_status = get_adapter_status; | 113 | ops->get_adapter_status = get_adapter_status; |
116 | ops->get_max_bus_speed = get_max_bus_speed; | ||
117 | ops->get_cur_bus_speed = get_cur_bus_speed; | ||
118 | if (MRL_SENS(ctrl)) | 114 | if (MRL_SENS(ctrl)) |
119 | ops->get_latch_status = get_latch_status; | 115 | ops->get_latch_status = get_latch_status; |
120 | if (ATTN_LED(ctrl)) { | 116 | if (ATTN_LED(ctrl)) { |
@@ -227,27 +223,6 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value) | |||
227 | return pciehp_get_adapter_status(slot, value); | 223 | return pciehp_get_adapter_status(slot, value); |
228 | } | 224 | } |
229 | 225 | ||
230 | static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, | ||
231 | enum pci_bus_speed *value) | ||
232 | { | ||
233 | struct slot *slot = hotplug_slot->private; | ||
234 | |||
235 | ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", | ||
236 | __func__, slot_name(slot)); | ||
237 | |||
238 | return pciehp_get_max_link_speed(slot, value); | ||
239 | } | ||
240 | |||
241 | static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value) | ||
242 | { | ||
243 | struct slot *slot = hotplug_slot->private; | ||
244 | |||
245 | ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", | ||
246 | __func__, slot_name(slot)); | ||
247 | |||
248 | return pciehp_get_cur_link_speed(slot, value); | ||
249 | } | ||
250 | |||
251 | static int pciehp_probe(struct pcie_device *dev) | 226 | static int pciehp_probe(struct pcie_device *dev) |
252 | { | 227 | { |
253 | int rc; | 228 | int rc; |
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 6744ca1d8d01..40b48f569b1e 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c | |||
@@ -492,6 +492,7 @@ int pciehp_power_on_slot(struct slot * slot) | |||
492 | u16 slot_cmd; | 492 | u16 slot_cmd; |
493 | u16 cmd_mask; | 493 | u16 cmd_mask; |
494 | u16 slot_status; | 494 | u16 slot_status; |
495 | u16 lnk_status; | ||
495 | int retval = 0; | 496 | int retval = 0; |
496 | 497 | ||
497 | /* Clear sticky power-fault bit from previous power failures */ | 498 | /* Clear sticky power-fault bit from previous power failures */ |
@@ -523,6 +524,14 @@ int pciehp_power_on_slot(struct slot * slot) | |||
523 | ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, | 524 | ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, |
524 | pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd); | 525 | pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd); |
525 | 526 | ||
527 | retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status); | ||
528 | if (retval) { | ||
529 | ctrl_err(ctrl, "%s: Cannot read LNKSTA register\n", | ||
530 | __func__); | ||
531 | return retval; | ||
532 | } | ||
533 | pcie_update_link_speed(ctrl->pcie->port->subordinate, lnk_status); | ||
534 | |||
526 | return retval; | 535 | return retval; |
527 | } | 536 | } |
528 | 537 | ||
@@ -610,37 +619,6 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) | |||
610 | return IRQ_HANDLED; | 619 | return IRQ_HANDLED; |
611 | } | 620 | } |
612 | 621 | ||
613 | int pciehp_get_max_link_speed(struct slot *slot, enum pci_bus_speed *value) | ||
614 | { | ||
615 | struct controller *ctrl = slot->ctrl; | ||
616 | enum pci_bus_speed lnk_speed; | ||
617 | u32 lnk_cap; | ||
618 | int retval = 0; | ||
619 | |||
620 | retval = pciehp_readl(ctrl, PCI_EXP_LNKCAP, &lnk_cap); | ||
621 | if (retval) { | ||
622 | ctrl_err(ctrl, "%s: Cannot read LNKCAP register\n", __func__); | ||
623 | return retval; | ||
624 | } | ||
625 | |||
626 | switch (lnk_cap & 0x000F) { | ||
627 | case 1: | ||
628 | lnk_speed = PCIE_SPEED_2_5GT; | ||
629 | break; | ||
630 | case 2: | ||
631 | lnk_speed = PCIE_SPEED_5_0GT; | ||
632 | break; | ||
633 | default: | ||
634 | lnk_speed = PCI_SPEED_UNKNOWN; | ||
635 | break; | ||
636 | } | ||
637 | |||
638 | *value = lnk_speed; | ||
639 | ctrl_dbg(ctrl, "Max link speed = %d\n", lnk_speed); | ||
640 | |||
641 | return retval; | ||
642 | } | ||
643 | |||
644 | int pciehp_get_max_lnk_width(struct slot *slot, | 622 | int pciehp_get_max_lnk_width(struct slot *slot, |
645 | enum pcie_link_width *value) | 623 | enum pcie_link_width *value) |
646 | { | 624 | { |
@@ -691,38 +669,6 @@ int pciehp_get_max_lnk_width(struct slot *slot, | |||
691 | return retval; | 669 | return retval; |
692 | } | 670 | } |
693 | 671 | ||
694 | int pciehp_get_cur_link_speed(struct slot *slot, enum pci_bus_speed *value) | ||
695 | { | ||
696 | struct controller *ctrl = slot->ctrl; | ||
697 | enum pci_bus_speed lnk_speed = PCI_SPEED_UNKNOWN; | ||
698 | int retval = 0; | ||
699 | u16 lnk_status; | ||
700 | |||
701 | retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status); | ||
702 | if (retval) { | ||
703 | ctrl_err(ctrl, "%s: Cannot read LNKSTATUS register\n", | ||
704 | __func__); | ||
705 | return retval; | ||
706 | } | ||
707 | |||
708 | switch (lnk_status & PCI_EXP_LNKSTA_CLS) { | ||
709 | case 1: | ||
710 | lnk_speed = PCIE_SPEED_2_5GT; | ||
711 | break; | ||
712 | case 2: | ||
713 | lnk_speed = PCIE_SPEED_5_0GT; | ||
714 | break; | ||
715 | default: | ||
716 | lnk_speed = PCI_SPEED_UNKNOWN; | ||
717 | break; | ||
718 | } | ||
719 | |||
720 | *value = lnk_speed; | ||
721 | ctrl_dbg(ctrl, "Current link speed = %d\n", lnk_speed); | ||
722 | |||
723 | return retval; | ||
724 | } | ||
725 | |||
726 | int pciehp_get_cur_lnk_width(struct slot *slot, | 672 | int pciehp_get_cur_lnk_width(struct slot *slot, |
727 | enum pcie_link_width *value) | 673 | enum pcie_link_width *value) |
728 | { | 674 | { |
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c index c159223389ec..b14e5e66a92c 100644 --- a/drivers/pci/hotplug/rpaphp_core.c +++ b/drivers/pci/hotplug/rpaphp_core.c | |||
@@ -130,10 +130,9 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 * value) | |||
130 | return 0; | 130 | return 0; |
131 | } | 131 | } |
132 | 132 | ||
133 | static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value) | 133 | static enum pci_bus_speed get_max_bus_speed(struct slot *slot) |
134 | { | 134 | { |
135 | struct slot *slot = (struct slot *)hotplug_slot->private; | 135 | enum pci_bus_speed speed; |
136 | |||
137 | switch (slot->type) { | 136 | switch (slot->type) { |
138 | case 1: | 137 | case 1: |
139 | case 2: | 138 | case 2: |
@@ -141,30 +140,30 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe | |||
141 | case 4: | 140 | case 4: |
142 | case 5: | 141 | case 5: |
143 | case 6: | 142 | case 6: |
144 | *value = PCI_SPEED_33MHz; /* speed for case 1-6 */ | 143 | speed = PCI_SPEED_33MHz; /* speed for case 1-6 */ |
145 | break; | 144 | break; |
146 | case 7: | 145 | case 7: |
147 | case 8: | 146 | case 8: |
148 | *value = PCI_SPEED_66MHz; | 147 | speed = PCI_SPEED_66MHz; |
149 | break; | 148 | break; |
150 | case 11: | 149 | case 11: |
151 | case 14: | 150 | case 14: |
152 | *value = PCI_SPEED_66MHz_PCIX; | 151 | speed = PCI_SPEED_66MHz_PCIX; |
153 | break; | 152 | break; |
154 | case 12: | 153 | case 12: |
155 | case 15: | 154 | case 15: |
156 | *value = PCI_SPEED_100MHz_PCIX; | 155 | speed = PCI_SPEED_100MHz_PCIX; |
157 | break; | 156 | break; |
158 | case 13: | 157 | case 13: |
159 | case 16: | 158 | case 16: |
160 | *value = PCI_SPEED_133MHz_PCIX; | 159 | speed = PCI_SPEED_133MHz_PCIX; |
161 | break; | 160 | break; |
162 | default: | 161 | default: |
163 | *value = PCI_SPEED_UNKNOWN; | 162 | speed = PCI_SPEED_UNKNOWN; |
164 | break; | 163 | break; |
165 | |||
166 | } | 164 | } |
167 | return 0; | 165 | |
166 | return speed; | ||
168 | } | 167 | } |
169 | 168 | ||
170 | static int get_children_props(struct device_node *dn, const int **drc_indexes, | 169 | static int get_children_props(struct device_node *dn, const int **drc_indexes, |
@@ -408,6 +407,8 @@ static int enable_slot(struct hotplug_slot *hotplug_slot) | |||
408 | slot->state = NOT_VALID; | 407 | slot->state = NOT_VALID; |
409 | return -EINVAL; | 408 | return -EINVAL; |
410 | } | 409 | } |
410 | |||
411 | slot->bus->max_bus_speed = get_max_bus_speed(slot); | ||
411 | return 0; | 412 | return 0; |
412 | } | 413 | } |
413 | 414 | ||
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h index 8e210cd76e55..d2627e1c3ac1 100644 --- a/drivers/pci/hotplug/shpchp.h +++ b/drivers/pci/hotplug/shpchp.h | |||
@@ -333,8 +333,6 @@ struct hpc_ops { | |||
333 | int (*set_attention_status)(struct slot *slot, u8 status); | 333 | int (*set_attention_status)(struct slot *slot, u8 status); |
334 | int (*get_latch_status)(struct slot *slot, u8 *status); | 334 | int (*get_latch_status)(struct slot *slot, u8 *status); |
335 | int (*get_adapter_status)(struct slot *slot, u8 *status); | 335 | int (*get_adapter_status)(struct slot *slot, u8 *status); |
336 | int (*get_max_bus_speed)(struct slot *slot, enum pci_bus_speed *speed); | ||
337 | int (*get_cur_bus_speed)(struct slot *slot, enum pci_bus_speed *speed); | ||
338 | int (*get_adapter_speed)(struct slot *slot, enum pci_bus_speed *speed); | 336 | int (*get_adapter_speed)(struct slot *slot, enum pci_bus_speed *speed); |
339 | int (*get_mode1_ECC_cap)(struct slot *slot, u8 *mode); | 337 | int (*get_mode1_ECC_cap)(struct slot *slot, u8 *mode); |
340 | int (*get_prog_int)(struct slot *slot, u8 *prog_int); | 338 | int (*get_prog_int)(struct slot *slot, u8 *prog_int); |
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c index 8a520a3d0f59..a5062297f488 100644 --- a/drivers/pci/hotplug/shpchp_core.c +++ b/drivers/pci/hotplug/shpchp_core.c | |||
@@ -65,8 +65,6 @@ static int get_power_status (struct hotplug_slot *slot, u8 *value); | |||
65 | static int get_attention_status (struct hotplug_slot *slot, u8 *value); | 65 | static int get_attention_status (struct hotplug_slot *slot, u8 *value); |
66 | static int get_latch_status (struct hotplug_slot *slot, u8 *value); | 66 | static int get_latch_status (struct hotplug_slot *slot, u8 *value); |
67 | static int get_adapter_status (struct hotplug_slot *slot, u8 *value); | 67 | static int get_adapter_status (struct hotplug_slot *slot, u8 *value); |
68 | static int get_max_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value); | ||
69 | static int get_cur_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value); | ||
70 | 68 | ||
71 | static struct hotplug_slot_ops shpchp_hotplug_slot_ops = { | 69 | static struct hotplug_slot_ops shpchp_hotplug_slot_ops = { |
72 | .set_attention_status = set_attention_status, | 70 | .set_attention_status = set_attention_status, |
@@ -76,8 +74,6 @@ static struct hotplug_slot_ops shpchp_hotplug_slot_ops = { | |||
76 | .get_attention_status = get_attention_status, | 74 | .get_attention_status = get_attention_status, |
77 | .get_latch_status = get_latch_status, | 75 | .get_latch_status = get_latch_status, |
78 | .get_adapter_status = get_adapter_status, | 76 | .get_adapter_status = get_adapter_status, |
79 | .get_max_bus_speed = get_max_bus_speed, | ||
80 | .get_cur_bus_speed = get_cur_bus_speed, | ||
81 | }; | 77 | }; |
82 | 78 | ||
83 | /** | 79 | /** |
@@ -279,37 +275,6 @@ static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value) | |||
279 | return 0; | 275 | return 0; |
280 | } | 276 | } |
281 | 277 | ||
282 | static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, | ||
283 | enum pci_bus_speed *value) | ||
284 | { | ||
285 | struct slot *slot = get_slot(hotplug_slot); | ||
286 | int retval; | ||
287 | |||
288 | ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", | ||
289 | __func__, slot_name(slot)); | ||
290 | |||
291 | retval = slot->hpc_ops->get_max_bus_speed(slot, value); | ||
292 | if (retval < 0) | ||
293 | *value = PCI_SPEED_UNKNOWN; | ||
294 | |||
295 | return 0; | ||
296 | } | ||
297 | |||
298 | static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value) | ||
299 | { | ||
300 | struct slot *slot = get_slot(hotplug_slot); | ||
301 | int retval; | ||
302 | |||
303 | ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", | ||
304 | __func__, slot_name(slot)); | ||
305 | |||
306 | retval = slot->hpc_ops->get_cur_bus_speed(slot, value); | ||
307 | if (retval < 0) | ||
308 | *value = PCI_SPEED_UNKNOWN; | ||
309 | |||
310 | return 0; | ||
311 | } | ||
312 | |||
313 | static int is_shpc_capable(struct pci_dev *dev) | 278 | static int is_shpc_capable(struct pci_dev *dev) |
314 | { | 279 | { |
315 | if ((dev->vendor == PCI_VENDOR_ID_AMD) || (dev->device == | 280 | if ((dev->vendor == PCI_VENDOR_ID_AMD) || (dev->device == |
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c index b8ab2796e66a..179b1c1cb99b 100644 --- a/drivers/pci/hotplug/shpchp_ctrl.c +++ b/drivers/pci/hotplug/shpchp_ctrl.c | |||
@@ -285,17 +285,8 @@ static int board_added(struct slot *p_slot) | |||
285 | return WRONG_BUS_FREQUENCY; | 285 | return WRONG_BUS_FREQUENCY; |
286 | } | 286 | } |
287 | 287 | ||
288 | rc = p_slot->hpc_ops->get_cur_bus_speed(p_slot, &bsp); | 288 | bsp = ctrl->pci_dev->bus->cur_bus_speed; |
289 | if (rc) { | 289 | msp = ctrl->pci_dev->bus->max_bus_speed; |
290 | ctrl_err(ctrl, "Can't get bus operation speed\n"); | ||
291 | return WRONG_BUS_FREQUENCY; | ||
292 | } | ||
293 | |||
294 | rc = p_slot->hpc_ops->get_max_bus_speed(p_slot, &msp); | ||
295 | if (rc) { | ||
296 | ctrl_err(ctrl, "Can't get max bus operation speed\n"); | ||
297 | msp = bsp; | ||
298 | } | ||
299 | 290 | ||
300 | /* Check if there are other slots or devices on the same bus */ | 291 | /* Check if there are other slots or devices on the same bus */ |
301 | if (!list_empty(&ctrl->pci_dev->subordinate->devices)) | 292 | if (!list_empty(&ctrl->pci_dev->subordinate->devices)) |
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c index 86dc39847769..5f5e8d2e3552 100644 --- a/drivers/pci/hotplug/shpchp_hpc.c +++ b/drivers/pci/hotplug/shpchp_hpc.c | |||
@@ -660,6 +660,75 @@ static int hpc_slot_disable(struct slot * slot) | |||
660 | return retval; | 660 | return retval; |
661 | } | 661 | } |
662 | 662 | ||
663 | static int shpc_get_cur_bus_speed(struct controller *ctrl) | ||
664 | { | ||
665 | int retval = 0; | ||
666 | struct pci_bus *bus = ctrl->pci_dev->subordinate; | ||
667 | enum pci_bus_speed bus_speed = PCI_SPEED_UNKNOWN; | ||
668 | u16 sec_bus_reg = shpc_readw(ctrl, SEC_BUS_CONFIG); | ||
669 | u8 pi = shpc_readb(ctrl, PROG_INTERFACE); | ||
670 | u8 speed_mode = (pi == 2) ? (sec_bus_reg & 0xF) : (sec_bus_reg & 0x7); | ||
671 | |||
672 | if ((pi == 1) && (speed_mode > 4)) { | ||
673 | retval = -ENODEV; | ||
674 | goto out; | ||
675 | } | ||
676 | |||
677 | switch (speed_mode) { | ||
678 | case 0x0: | ||
679 | bus_speed = PCI_SPEED_33MHz; | ||
680 | break; | ||
681 | case 0x1: | ||
682 | bus_speed = PCI_SPEED_66MHz; | ||
683 | break; | ||
684 | case 0x2: | ||
685 | bus_speed = PCI_SPEED_66MHz_PCIX; | ||
686 | break; | ||
687 | case 0x3: | ||
688 | bus_speed = PCI_SPEED_100MHz_PCIX; | ||
689 | break; | ||
690 | case 0x4: | ||
691 | bus_speed = PCI_SPEED_133MHz_PCIX; | ||
692 | break; | ||
693 | case 0x5: | ||
694 | bus_speed = PCI_SPEED_66MHz_PCIX_ECC; | ||
695 | break; | ||
696 | case 0x6: | ||
697 | bus_speed = PCI_SPEED_100MHz_PCIX_ECC; | ||
698 | break; | ||
699 | case 0x7: | ||
700 | bus_speed = PCI_SPEED_133MHz_PCIX_ECC; | ||
701 | break; | ||
702 | case 0x8: | ||
703 | bus_speed = PCI_SPEED_66MHz_PCIX_266; | ||
704 | break; | ||
705 | case 0x9: | ||
706 | bus_speed = PCI_SPEED_100MHz_PCIX_266; | ||
707 | break; | ||
708 | case 0xa: | ||
709 | bus_speed = PCI_SPEED_133MHz_PCIX_266; | ||
710 | break; | ||
711 | case 0xb: | ||
712 | bus_speed = PCI_SPEED_66MHz_PCIX_533; | ||
713 | break; | ||
714 | case 0xc: | ||
715 | bus_speed = PCI_SPEED_100MHz_PCIX_533; | ||
716 | break; | ||
717 | case 0xd: | ||
718 | bus_speed = PCI_SPEED_133MHz_PCIX_533; | ||
719 | break; | ||
720 | default: | ||
721 | retval = -ENODEV; | ||
722 | break; | ||
723 | } | ||
724 | |||
725 | out: | ||
726 | bus->cur_bus_speed = bus_speed; | ||
727 | dbg("Current bus speed = %d\n", bus_speed); | ||
728 | return retval; | ||
729 | } | ||
730 | |||
731 | |||
663 | static int hpc_set_bus_speed_mode(struct slot * slot, enum pci_bus_speed value) | 732 | static int hpc_set_bus_speed_mode(struct slot * slot, enum pci_bus_speed value) |
664 | { | 733 | { |
665 | int retval; | 734 | int retval; |
@@ -720,6 +789,8 @@ static int hpc_set_bus_speed_mode(struct slot * slot, enum pci_bus_speed value) | |||
720 | retval = shpc_write_cmd(slot, 0, cmd); | 789 | retval = shpc_write_cmd(slot, 0, cmd); |
721 | if (retval) | 790 | if (retval) |
722 | ctrl_err(ctrl, "%s: Write command failed!\n", __func__); | 791 | ctrl_err(ctrl, "%s: Write command failed!\n", __func__); |
792 | else | ||
793 | shpc_get_cur_bus_speed(ctrl); | ||
723 | 794 | ||
724 | return retval; | 795 | return retval; |
725 | } | 796 | } |
@@ -803,10 +874,10 @@ static irqreturn_t shpc_isr(int irq, void *dev_id) | |||
803 | return IRQ_HANDLED; | 874 | return IRQ_HANDLED; |
804 | } | 875 | } |
805 | 876 | ||
806 | static int hpc_get_max_bus_speed (struct slot *slot, enum pci_bus_speed *value) | 877 | static int shpc_get_max_bus_speed(struct controller *ctrl) |
807 | { | 878 | { |
808 | int retval = 0; | 879 | int retval = 0; |
809 | struct controller *ctrl = slot->ctrl; | 880 | struct pci_bus *bus = ctrl->pci_dev->subordinate; |
810 | enum pci_bus_speed bus_speed = PCI_SPEED_UNKNOWN; | 881 | enum pci_bus_speed bus_speed = PCI_SPEED_UNKNOWN; |
811 | u8 pi = shpc_readb(ctrl, PROG_INTERFACE); | 882 | u8 pi = shpc_readb(ctrl, PROG_INTERFACE); |
812 | u32 slot_avail1 = shpc_readl(ctrl, SLOT_AVAIL1); | 883 | u32 slot_avail1 = shpc_readl(ctrl, SLOT_AVAIL1); |
@@ -842,79 +913,12 @@ static int hpc_get_max_bus_speed (struct slot *slot, enum pci_bus_speed *value) | |||
842 | retval = -ENODEV; | 913 | retval = -ENODEV; |
843 | } | 914 | } |
844 | 915 | ||
845 | *value = bus_speed; | 916 | bus->max_bus_speed = bus_speed; |
846 | ctrl_dbg(ctrl, "Max bus speed = %d\n", bus_speed); | 917 | ctrl_dbg(ctrl, "Max bus speed = %d\n", bus_speed); |
847 | 918 | ||
848 | return retval; | 919 | return retval; |
849 | } | 920 | } |
850 | 921 | ||
851 | static int hpc_get_cur_bus_speed (struct slot *slot, enum pci_bus_speed *value) | ||
852 | { | ||
853 | int retval = 0; | ||
854 | struct controller *ctrl = slot->ctrl; | ||
855 | enum pci_bus_speed bus_speed = PCI_SPEED_UNKNOWN; | ||
856 | u16 sec_bus_reg = shpc_readw(ctrl, SEC_BUS_CONFIG); | ||
857 | u8 pi = shpc_readb(ctrl, PROG_INTERFACE); | ||
858 | u8 speed_mode = (pi == 2) ? (sec_bus_reg & 0xF) : (sec_bus_reg & 0x7); | ||
859 | |||
860 | if ((pi == 1) && (speed_mode > 4)) { | ||
861 | *value = PCI_SPEED_UNKNOWN; | ||
862 | return -ENODEV; | ||
863 | } | ||
864 | |||
865 | switch (speed_mode) { | ||
866 | case 0x0: | ||
867 | *value = PCI_SPEED_33MHz; | ||
868 | break; | ||
869 | case 0x1: | ||
870 | *value = PCI_SPEED_66MHz; | ||
871 | break; | ||
872 | case 0x2: | ||
873 | *value = PCI_SPEED_66MHz_PCIX; | ||
874 | break; | ||
875 | case 0x3: | ||
876 | *value = PCI_SPEED_100MHz_PCIX; | ||
877 | break; | ||
878 | case 0x4: | ||
879 | *value = PCI_SPEED_133MHz_PCIX; | ||
880 | break; | ||
881 | case 0x5: | ||
882 | *value = PCI_SPEED_66MHz_PCIX_ECC; | ||
883 | break; | ||
884 | case 0x6: | ||
885 | *value = PCI_SPEED_100MHz_PCIX_ECC; | ||
886 | break; | ||
887 | case 0x7: | ||
888 | *value = PCI_SPEED_133MHz_PCIX_ECC; | ||
889 | break; | ||
890 | case 0x8: | ||
891 | *value = PCI_SPEED_66MHz_PCIX_266; | ||
892 | break; | ||
893 | case 0x9: | ||
894 | *value = PCI_SPEED_100MHz_PCIX_266; | ||
895 | break; | ||
896 | case 0xa: | ||
897 | *value = PCI_SPEED_133MHz_PCIX_266; | ||
898 | break; | ||
899 | case 0xb: | ||
900 | *value = PCI_SPEED_66MHz_PCIX_533; | ||
901 | break; | ||
902 | case 0xc: | ||
903 | *value = PCI_SPEED_100MHz_PCIX_533; | ||
904 | break; | ||
905 | case 0xd: | ||
906 | *value = PCI_SPEED_133MHz_PCIX_533; | ||
907 | break; | ||
908 | default: | ||
909 | *value = PCI_SPEED_UNKNOWN; | ||
910 | retval = -ENODEV; | ||
911 | break; | ||
912 | } | ||
913 | |||
914 | ctrl_dbg(ctrl, "Current bus speed = %d\n", bus_speed); | ||
915 | return retval; | ||
916 | } | ||
917 | |||
918 | static struct hpc_ops shpchp_hpc_ops = { | 922 | static struct hpc_ops shpchp_hpc_ops = { |
919 | .power_on_slot = hpc_power_on_slot, | 923 | .power_on_slot = hpc_power_on_slot, |
920 | .slot_enable = hpc_slot_enable, | 924 | .slot_enable = hpc_slot_enable, |
@@ -926,8 +930,6 @@ static struct hpc_ops shpchp_hpc_ops = { | |||
926 | .get_latch_status = hpc_get_latch_status, | 930 | .get_latch_status = hpc_get_latch_status, |
927 | .get_adapter_status = hpc_get_adapter_status, | 931 | .get_adapter_status = hpc_get_adapter_status, |
928 | 932 | ||
929 | .get_max_bus_speed = hpc_get_max_bus_speed, | ||
930 | .get_cur_bus_speed = hpc_get_cur_bus_speed, | ||
931 | .get_adapter_speed = hpc_get_adapter_speed, | 933 | .get_adapter_speed = hpc_get_adapter_speed, |
932 | .get_mode1_ECC_cap = hpc_get_mode1_ECC_cap, | 934 | .get_mode1_ECC_cap = hpc_get_mode1_ECC_cap, |
933 | .get_prog_int = hpc_get_prog_int, | 935 | .get_prog_int = hpc_get_prog_int, |
@@ -1086,6 +1088,9 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) | |||
1086 | } | 1088 | } |
1087 | ctrl_dbg(ctrl, "HPC at %s irq=%x\n", pci_name(pdev), pdev->irq); | 1089 | ctrl_dbg(ctrl, "HPC at %s irq=%x\n", pci_name(pdev), pdev->irq); |
1088 | 1090 | ||
1091 | shpc_get_max_bus_speed(ctrl); | ||
1092 | shpc_get_cur_bus_speed(ctrl); | ||
1093 | |||
1089 | /* | 1094 | /* |
1090 | * If this is the first controller to be initialized, | 1095 | * If this is the first controller to be initialized, |
1091 | * initialize the shpchpd work queue | 1096 | * initialize the shpchpd work queue |
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index dd64310a735e..51cf8982fec7 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c | |||
@@ -387,10 +387,37 @@ static struct pci_bus * pci_alloc_bus(void) | |||
387 | INIT_LIST_HEAD(&b->children); | 387 | INIT_LIST_HEAD(&b->children); |
388 | INIT_LIST_HEAD(&b->devices); | 388 | INIT_LIST_HEAD(&b->devices); |
389 | INIT_LIST_HEAD(&b->slots); | 389 | INIT_LIST_HEAD(&b->slots); |
390 | b->max_bus_speed = PCI_SPEED_UNKNOWN; | ||
391 | b->cur_bus_speed = PCI_SPEED_UNKNOWN; | ||
390 | } | 392 | } |
391 | return b; | 393 | return b; |
392 | } | 394 | } |
393 | 395 | ||
396 | static unsigned char pcie_link_speed[] = { | ||
397 | PCI_SPEED_UNKNOWN, /* 0 */ | ||
398 | PCIE_SPEED_2_5GT, /* 1 */ | ||
399 | PCIE_SPEED_5_0GT, /* 2 */ | ||
400 | PCI_SPEED_UNKNOWN, /* 3 */ | ||
401 | PCI_SPEED_UNKNOWN, /* 4 */ | ||
402 | PCI_SPEED_UNKNOWN, /* 5 */ | ||
403 | PCI_SPEED_UNKNOWN, /* 6 */ | ||
404 | PCI_SPEED_UNKNOWN, /* 7 */ | ||
405 | PCI_SPEED_UNKNOWN, /* 8 */ | ||
406 | PCI_SPEED_UNKNOWN, /* 9 */ | ||
407 | PCI_SPEED_UNKNOWN, /* A */ | ||
408 | PCI_SPEED_UNKNOWN, /* B */ | ||
409 | PCI_SPEED_UNKNOWN, /* C */ | ||
410 | PCI_SPEED_UNKNOWN, /* D */ | ||
411 | PCI_SPEED_UNKNOWN, /* E */ | ||
412 | PCI_SPEED_UNKNOWN /* F */ | ||
413 | }; | ||
414 | |||
415 | void pcie_update_link_speed(struct pci_bus *bus, u16 linksta) | ||
416 | { | ||
417 | bus->cur_bus_speed = pcie_link_speed[linksta & 0xf]; | ||
418 | } | ||
419 | EXPORT_SYMBOL_GPL(pcie_update_link_speed); | ||
420 | |||
394 | static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent, | 421 | static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent, |
395 | struct pci_dev *bridge, int busnr) | 422 | struct pci_dev *bridge, int busnr) |
396 | { | 423 | { |
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c index 8c02b6c53bdb..6f6b8d24786a 100644 --- a/drivers/pci/slot.c +++ b/drivers/pci/slot.c | |||
@@ -47,6 +47,54 @@ static ssize_t address_read_file(struct pci_slot *slot, char *buf) | |||
47 | slot->number); | 47 | slot->number); |
48 | } | 48 | } |
49 | 49 | ||
50 | /* these strings match up with the values in pci_bus_speed */ | ||
51 | static char *pci_bus_speed_strings[] = { | ||
52 | "33 MHz PCI", /* 0x00 */ | ||
53 | "66 MHz PCI", /* 0x01 */ | ||
54 | "66 MHz PCI-X", /* 0x02 */ | ||
55 | "100 MHz PCI-X", /* 0x03 */ | ||
56 | "133 MHz PCI-X", /* 0x04 */ | ||
57 | NULL, /* 0x05 */ | ||
58 | NULL, /* 0x06 */ | ||
59 | NULL, /* 0x07 */ | ||
60 | NULL, /* 0x08 */ | ||
61 | "66 MHz PCI-X 266", /* 0x09 */ | ||
62 | "100 MHz PCI-X 266", /* 0x0a */ | ||
63 | "133 MHz PCI-X 266", /* 0x0b */ | ||
64 | NULL, /* 0x0c */ | ||
65 | NULL, /* 0x0d */ | ||
66 | NULL, /* 0x0e */ | ||
67 | NULL, /* 0x0f */ | ||
68 | NULL, /* 0x10 */ | ||
69 | "66 MHz PCI-X 533", /* 0x11 */ | ||
70 | "100 MHz PCI-X 533", /* 0x12 */ | ||
71 | "133 MHz PCI-X 533", /* 0x13 */ | ||
72 | "2.5 GT/s PCIe", /* 0x14 */ | ||
73 | "5.0 GT/s PCIe", /* 0x15 */ | ||
74 | }; | ||
75 | |||
76 | static ssize_t bus_speed_read(enum pci_bus_speed speed, char *buf) | ||
77 | { | ||
78 | const char *speed_string; | ||
79 | |||
80 | if (speed < ARRAY_SIZE(pci_bus_speed_strings)) | ||
81 | speed_string = pci_bus_speed_strings[speed]; | ||
82 | else | ||
83 | speed_string = "Unknown"; | ||
84 | |||
85 | return sprintf(buf, "%s\n", speed_string); | ||
86 | } | ||
87 | |||
88 | static ssize_t max_speed_read_file(struct pci_slot *slot, char *buf) | ||
89 | { | ||
90 | return bus_speed_read(slot->bus->max_bus_speed, buf); | ||
91 | } | ||
92 | |||
93 | static ssize_t cur_speed_read_file(struct pci_slot *slot, char *buf) | ||
94 | { | ||
95 | return bus_speed_read(slot->bus->cur_bus_speed, buf); | ||
96 | } | ||
97 | |||
50 | static void pci_slot_release(struct kobject *kobj) | 98 | static void pci_slot_release(struct kobject *kobj) |
51 | { | 99 | { |
52 | struct pci_dev *dev; | 100 | struct pci_dev *dev; |
@@ -66,9 +114,15 @@ static void pci_slot_release(struct kobject *kobj) | |||
66 | 114 | ||
67 | static struct pci_slot_attribute pci_slot_attr_address = | 115 | static struct pci_slot_attribute pci_slot_attr_address = |
68 | __ATTR(address, (S_IFREG | S_IRUGO), address_read_file, NULL); | 116 | __ATTR(address, (S_IFREG | S_IRUGO), address_read_file, NULL); |
117 | static struct pci_slot_attribute pci_slot_attr_max_speed = | ||
118 | __ATTR(max_bus_speed, (S_IFREG | S_IRUGO), max_speed_read_file, NULL); | ||
119 | static struct pci_slot_attribute pci_slot_attr_cur_speed = | ||
120 | __ATTR(cur_bus_speed, (S_IFREG | S_IRUGO), cur_speed_read_file, NULL); | ||
69 | 121 | ||
70 | static struct attribute *pci_slot_default_attrs[] = { | 122 | static struct attribute *pci_slot_default_attrs[] = { |
71 | &pci_slot_attr_address.attr, | 123 | &pci_slot_attr_address.attr, |
124 | &pci_slot_attr_max_speed.attr, | ||
125 | &pci_slot_attr_cur_speed.attr, | ||
72 | NULL, | 126 | NULL, |
73 | }; | 127 | }; |
74 | 128 | ||
diff --git a/include/linux/pci.h b/include/linux/pci.h index d76a8a0b6b53..a446097a9f68 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h | |||
@@ -380,6 +380,8 @@ struct pci_bus { | |||
380 | unsigned char primary; /* number of primary bridge */ | 380 | unsigned char primary; /* number of primary bridge */ |
381 | unsigned char secondary; /* number of secondary bridge */ | 381 | unsigned char secondary; /* number of secondary bridge */ |
382 | unsigned char subordinate; /* max number of subordinate buses */ | 382 | unsigned char subordinate; /* max number of subordinate buses */ |
383 | unsigned char max_bus_speed; /* enum pci_bus_speed */ | ||
384 | unsigned char cur_bus_speed; /* enum pci_bus_speed */ | ||
383 | 385 | ||
384 | char name[48]; | 386 | char name[48]; |
385 | 387 | ||
@@ -610,6 +612,7 @@ struct pci_bus *pci_create_bus(struct device *parent, int bus, | |||
610 | struct pci_ops *ops, void *sysdata); | 612 | struct pci_ops *ops, void *sysdata); |
611 | struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, | 613 | struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, |
612 | int busnr); | 614 | int busnr); |
615 | void pcie_update_link_speed(struct pci_bus *bus, u16 link_status); | ||
613 | struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr, | 616 | struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr, |
614 | const char *name, | 617 | const char *name, |
615 | struct hotplug_slot *hotplug); | 618 | struct hotplug_slot *hotplug); |
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h index 56251ac385e9..5d09cbafa7db 100644 --- a/include/linux/pci_hotplug.h +++ b/include/linux/pci_hotplug.h | |||
@@ -63,12 +63,6 @@ enum pcie_link_width { | |||
63 | * @get_adapter_status: Called to get see if an adapter is present in the slot or not. | 63 | * @get_adapter_status: Called to get see if an adapter is present in the slot or not. |
64 | * If this field is NULL, the value passed in the struct hotplug_slot_info | 64 | * If this field is NULL, the value passed in the struct hotplug_slot_info |
65 | * will be used when this value is requested by a user. | 65 | * will be used when this value is requested by a user. |
66 | * @get_max_bus_speed: Called to get the max bus speed for a slot. | ||
67 | * If this field is NULL, the value passed in the struct hotplug_slot_info | ||
68 | * will be used when this value is requested by a user. | ||
69 | * @get_cur_bus_speed: Called to get the current bus speed for a slot. | ||
70 | * If this field is NULL, the value passed in the struct hotplug_slot_info | ||
71 | * will be used when this value is requested by a user. | ||
72 | * | 66 | * |
73 | * The table of function pointers that is passed to the hotplug pci core by a | 67 | * The table of function pointers that is passed to the hotplug pci core by a |
74 | * hotplug pci driver. These functions are called by the hotplug pci core when | 68 | * hotplug pci driver. These functions are called by the hotplug pci core when |
@@ -86,17 +80,14 @@ struct hotplug_slot_ops { | |||
86 | int (*get_attention_status) (struct hotplug_slot *slot, u8 *value); | 80 | int (*get_attention_status) (struct hotplug_slot *slot, u8 *value); |
87 | int (*get_latch_status) (struct hotplug_slot *slot, u8 *value); | 81 | int (*get_latch_status) (struct hotplug_slot *slot, u8 *value); |
88 | int (*get_adapter_status) (struct hotplug_slot *slot, u8 *value); | 82 | int (*get_adapter_status) (struct hotplug_slot *slot, u8 *value); |
89 | int (*get_max_bus_speed) (struct hotplug_slot *slot, enum pci_bus_speed *value); | ||
90 | int (*get_cur_bus_speed) (struct hotplug_slot *slot, enum pci_bus_speed *value); | ||
91 | }; | 83 | }; |
92 | 84 | ||
93 | /** | 85 | /** |
94 | * struct hotplug_slot_info - used to notify the hotplug pci core of the state of the slot | 86 | * struct hotplug_slot_info - used to notify the hotplug pci core of the state of the slot |
95 | * @power: if power is enabled or not (1/0) | 87 | * @power_status: if power is enabled or not (1/0) |
96 | * @attention_status: if the attention light is enabled or not (1/0) | 88 | * @attention_status: if the attention light is enabled or not (1/0) |
97 | * @latch_status: if the latch (if any) is open or closed (1/0) | 89 | * @latch_status: if the latch (if any) is open or closed (1/0) |
98 | * @adapter_present: if there is a pci board present in the slot or not (1/0) | 90 | * @adapter_status: if there is a pci board present in the slot or not (1/0) |
99 | * @address: (domain << 16 | bus << 8 | dev) | ||
100 | * | 91 | * |
101 | * Used to notify the hotplug pci core of the status of a specific slot. | 92 | * Used to notify the hotplug pci core of the status of a specific slot. |
102 | */ | 93 | */ |
@@ -105,8 +96,6 @@ struct hotplug_slot_info { | |||
105 | u8 attention_status; | 96 | u8 attention_status; |
106 | u8 latch_status; | 97 | u8 latch_status; |
107 | u8 adapter_status; | 98 | u8 adapter_status; |
108 | enum pci_bus_speed max_bus_speed; | ||
109 | enum pci_bus_speed cur_bus_speed; | ||
110 | }; | 99 | }; |
111 | 100 | ||
112 | /** | 101 | /** |