diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-21 11:52:16 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-21 11:52:16 -0800 |
commit | d43421565bf0510d35e6a39ebf96586ad486f3aa (patch) | |
tree | f3a6cf9f5284d0146c9c858dc96c5b6bcdf28dc9 /drivers/pci/hotplug/ibmphp_core.c | |
parent | 859e762544902c3e09b3f8d994aab80ea5ff5042 (diff) | |
parent | 9662e32c810ad3e6ce49832d5f585a54f8fbdbdb (diff) | |
download | linux-d43421565bf0510d35e6a39ebf96586ad486f3aa.tar.bz2 |
Merge tag 'pci-v4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"PCI changes for the v4.5 merge window:
Enumeration:
- Simplify config space size computation (Bjorn Helgaas)
- Avoid iterating through ROM outside the resource window (Edward O'Callaghan)
- Support PCIe devices with short cfg_size (Jason S. McMullan)
- Add Netronome vendor and device IDs (Jason S. McMullan)
- Limit config space size for Netronome NFP6000 family (Jason S. McMullan)
- Add Netronome NFP4000 PF device ID (Simon Horman)
- Limit config space size for Netronome NFP4000 (Simon Horman)
- Print warnings for all invalid expansion ROM headers (Vladis Dronov)
Resource management:
- Fix minimum allocation address overwrite (Christoph Biedl)
PCI device hotplug:
- acpiphp_ibm: Fix null dereferences on null ibm_slot (Colin Ian King)
- pciehp: Always protect pciehp_disable_slot() with hotplug mutex (Guenter Roeck)
- shpchp: Constify hpc_ops structure (Julia Lawall)
- ibmphp: Remove unneeded NULL test (Julia Lawall)
Power management:
- Make ASPM sysfs link_state_store() consistent with link_state_show() (Andy Lutomirski)
Virtualization
- Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183 (Tim Sander)
MSI:
- Remove empty pci_msi_init_pci_dev() (Bjorn Helgaas)
- Mark PCIe/PCI (MSI) IRQ cascade handlers as IRQF_NO_THREAD (Grygorii Strashko)
- Initialize MSI capability for all architectures (Guilherme G. Piccoli)
- Relax msi_domain_alloc() to support parentless MSI irqdomains (Liu Jiang)
ARM Versatile host bridge driver:
- Remove unused pci_sys_data structures (Lorenzo Pieralisi)
Broadcom iProc host bridge driver:
- Hide CONFIG_PCIE_IPROC (Arnd Bergmann)
- Do not use 0x in front of %pap (Dmitry V. Krivenok)
- Update iProc PCIe device tree binding (Ray Jui)
- Add PAXC interface support (Ray Jui)
- Add iProc PCIe MSI device tree binding (Ray Jui)
- Add iProc PCIe MSI support (Ray Jui)
Freescale i.MX6 host bridge driver:
- Use gpio_set_value_cansleep() (Fabio Estevam)
- Add support for active-low reset GPIO (Petr Štetiar)
HiSilicon host bridge driver:
- Add support for HiSilicon Hip06 PCIe host controllers (Gabriele Paoloni)
Intel VMD host bridge driver:
- Export irq_domain_set_info() for module use (Keith Busch)
- x86/PCI: Allow DMA ops specific to a PCI domain (Keith Busch)
- Use 32 bit PCI domain numbers (Keith Busch)
- Add driver for Intel Volume Management Device (VMD) (Keith Busch)
Qualcomm host bridge driver:
- Document PCIe devicetree bindings (Stanimir Varbanov)
- Add Qualcomm PCIe controller driver (Stanimir Varbanov)
- dts: apq8064: add PCIe devicetree node (Stanimir Varbanov)
- dts: ifc6410: enable PCIe DT node for this board (Stanimir Varbanov)
Renesas R-Car host bridge driver:
- Add support for R-Car H3 to pcie-rcar (Harunobu Kurokawa)
- Allow DT to override default window settings (Phil Edworthy)
- Convert to DT resource parsing API (Phil Edworthy)
- Revert "PCI: rcar: Build pcie-rcar.c only on ARM" (Phil Edworthy)
- Remove unused pci_sys_data struct from pcie-rcar (Phil Edworthy)
- Add runtime PM support to pcie-rcar (Phil Edworthy)
- Add Gen2 PHY setup to pcie-rcar (Phil Edworthy)
- Add gen2 fallback compatibility string for pci-rcar-gen2 (Simon Horman)
- Add gen2 fallback compatibility string for pcie-rcar (Simon Horman)
Synopsys DesignWare host bridge driver:
- Simplify control flow (Bjorn Helgaas)
- Make config accessor override checking symmetric (Bjorn Helgaas)
- Ensure ATU is enabled before IO/conf space accesses (Stanimir Varbanov)
Miscellaneous:
- Add of_pci_get_host_bridge_resources() stub (Arnd Bergmann)
- Check for PCI_HEADER_TYPE_BRIDGE equality, not bitmask (Bjorn Helgaas)
- Fix all whitespace issues (Bogicevic Sasa)
- x86/PCI: Simplify pci_bios_{read,write} (Geliang Tang)
- Use to_pci_dev() instead of open-coding it (Geliang Tang)
- Use kobj_to_dev() instead of open-coding it (Geliang Tang)
- Use list_for_each_entry() to simplify code (Geliang Tang)
- Fix typos in <linux/msi.h> (Thomas Petazzoni)
- x86/PCI: Clarify AMD Fam10h config access restrictions comment (Tomasz Nowicki)"
* tag 'pci-v4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (58 commits)
PCI: Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183
PCI: Limit config space size for Netronome NFP4000
PCI: Add Netronome NFP4000 PF device ID
x86/PCI: Add driver for Intel Volume Management Device (VMD)
PCI/AER: Use 32 bit PCI domain numbers
x86/PCI: Allow DMA ops specific to a PCI domain
irqdomain: Export irq_domain_set_info() for module use
PCI: host: Add of_pci_get_host_bridge_resources() stub
genirq/MSI: Relax msi_domain_alloc() to support parentless MSI irqdomains
PCI: rcar: Add Gen2 PHY setup to pcie-rcar
PCI: rcar: Add runtime PM support to pcie-rcar
PCI: designware: Make config accessor override checking symmetric
PCI: ibmphp: Remove unneeded NULL test
ARM: dts: ifc6410: enable PCIe DT node for this board
ARM: dts: apq8064: add PCIe devicetree node
PCI: hotplug: Use list_for_each_entry() to simplify code
PCI: rcar: Remove unused pci_sys_data struct from pcie-rcar
PCI: hisi: Add support for HiSilicon Hip06 PCIe host controllers
PCI: Avoid iterating through memory outside the resource window
PCI: acpiphp_ibm: Fix null dereferences on null ibm_slot
...
Diffstat (limited to 'drivers/pci/hotplug/ibmphp_core.c')
-rw-r--r-- | drivers/pci/hotplug/ibmphp_core.c | 54 |
1 files changed, 21 insertions, 33 deletions
diff --git a/drivers/pci/hotplug/ibmphp_core.c b/drivers/pci/hotplug/ibmphp_core.c index 15302475f5b7..5efd01d84498 100644 --- a/drivers/pci/hotplug/ibmphp_core.c +++ b/drivers/pci/hotplug/ibmphp_core.c @@ -39,11 +39,11 @@ #include <asm/io_apic.h> #include "ibmphp.h" -#define attn_on(sl) ibmphp_hpc_writeslot (sl, HPC_SLOT_ATTNON) -#define attn_off(sl) ibmphp_hpc_writeslot (sl, HPC_SLOT_ATTNOFF) -#define attn_LED_blink(sl) ibmphp_hpc_writeslot (sl, HPC_SLOT_BLINKLED) -#define get_ctrl_revision(sl, rev) ibmphp_hpc_readslot (sl, READ_REVLEVEL, rev) -#define get_hpc_options(sl, opt) ibmphp_hpc_readslot (sl, READ_HPCOPTIONS, opt) +#define attn_on(sl) ibmphp_hpc_writeslot(sl, HPC_SLOT_ATTNON) +#define attn_off(sl) ibmphp_hpc_writeslot(sl, HPC_SLOT_ATTNOFF) +#define attn_LED_blink(sl) ibmphp_hpc_writeslot(sl, HPC_SLOT_BLINKLED) +#define get_ctrl_revision(sl, rev) ibmphp_hpc_readslot(sl, READ_REVLEVEL, rev) +#define get_hpc_options(sl, opt) ibmphp_hpc_readslot(sl, READ_HPCOPTIONS, opt) #define DRIVER_VERSION "0.6" #define DRIVER_DESC "IBM Hot Plug PCI Controller Driver" @@ -52,9 +52,9 @@ int ibmphp_debug; static bool debug; module_param(debug, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC (debug, "Debugging mode enabled or not"); -MODULE_LICENSE ("GPL"); -MODULE_DESCRIPTION (DRIVER_DESC); +MODULE_PARM_DESC(debug, "Debugging mode enabled or not"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION(DRIVER_DESC); struct pci_bus *ibmphp_pci_bus; static int max_slots; @@ -113,14 +113,12 @@ static inline int slot_update(struct slot **sl) return rc; } -static int __init get_max_slots (void) +static int __init get_max_slots(void) { struct slot *slot_cur; - struct list_head *tmp; u8 slot_count = 0; - list_for_each(tmp, &ibmphp_slot_head) { - slot_cur = list_entry(tmp, struct slot, ibm_slot_list); + list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) { /* sometimes the hot-pluggable slots start with 4 (not always from 1) */ slot_count = max(slot_count, slot_cur->number); } @@ -459,7 +457,7 @@ static int get_max_adapter_speed_1(struct hotplug_slot *hotplug_slot, u8 *value, *value = SLOT_SPEED(myslot.ext_status); } else *value = MAX_ADAPTER_NONE; - } + } } if (flag) @@ -501,16 +499,10 @@ static int get_bus_name(struct hotplug_slot *hotplug_slot, char *value) static int __init init_ops(void) { struct slot *slot_cur; - struct list_head *tmp; int retval; int rc; - list_for_each(tmp, &ibmphp_slot_head) { - slot_cur = list_entry(tmp, struct slot, ibm_slot_list); - - if (!slot_cur) - return -ENODEV; - + list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) { debug("BEFORE GETTING SLOT STATUS, slot # %x\n", slot_cur->number); if (slot_cur->ctrl->revision == 0xFF) @@ -620,11 +612,11 @@ int ibmphp_update_slot_info(struct slot *slot_cur) info->attention_status = SLOT_ATTN(slot_cur->status, slot_cur->ext_status); info->latch_status = SLOT_LATCH(slot_cur->status); - if (!SLOT_PRESENT(slot_cur->status)) { - info->adapter_status = 0; + if (!SLOT_PRESENT(slot_cur->status)) { + info->adapter_status = 0; /* info->max_adapter_speed_status = MAX_ADAPTER_NONE; */ } else { - info->adapter_status = 1; + info->adapter_status = 1; /* get_max_adapter_speed_1(slot_cur->hotplug_slot, &info->max_adapter_speed_status, 0); */ } @@ -669,9 +661,7 @@ static struct pci_func *ibm_slot_find(u8 busno, u8 device, u8 function) { struct pci_func *func_cur; struct slot *slot_cur; - struct list_head *tmp; - list_for_each(tmp, &ibmphp_slot_head) { - slot_cur = list_entry(tmp, struct slot, ibm_slot_list); + list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) { if (slot_cur->func) { func_cur = slot_cur->func; while (func_cur) { @@ -693,14 +683,12 @@ static struct pci_func *ibm_slot_find(u8 busno, u8 device, u8 function) *************************************************************/ static void free_slots(void) { - struct slot *slot_cur; - struct list_head *tmp; - struct list_head *next; + struct slot *slot_cur, *next; debug("%s -- enter\n", __func__); - list_for_each_safe(tmp, next, &ibmphp_slot_head) { - slot_cur = list_entry(tmp, struct slot, ibm_slot_list); + list_for_each_entry_safe(slot_cur, next, &ibmphp_slot_head, + ibm_slot_list) { pci_hp_deregister(slot_cur->hotplug_slot); } debug("%s -- exit\n", __func__); @@ -866,7 +854,7 @@ static int set_bus(struct slot *slot_cur) int retval; static struct pci_device_id ciobx[] = { { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, 0x0101) }, - { }, + { }, }; debug("%s - entry slot # %d\n", __func__, slot_cur->number); @@ -1182,7 +1170,7 @@ error_power: * HOT REMOVING ADAPTER CARD * * INPUT: POINTER TO THE HOTPLUG SLOT STRUCTURE * * OUTPUT: SUCCESS 0 ; FAILURE: UNCONFIGURE , VALIDATE * - DISABLE POWER , * +* DISABLE POWER , * **************************************************************/ static int ibmphp_disable_slot(struct hotplug_slot *hotplug_slot) { |