diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-02-18 18:26:11 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-02-18 18:26:11 -0500 |
commit | 7bcd5b4671c3aa9185a7e6f76ee12e392070ddea (patch) | |
tree | db80f1cc57cdec18e46bf8e37691b02f9a2ce35e /drivers | |
parent | 58e44bafbb601b5abc250cdbb032b1f4022ef30a (diff) | |
parent | 3682a3946d2b0bad621db871e3bead83e523a238 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci
One regression fix for SR-IOV on PPC and a couple of misc fixes from
Yinghai.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci:
PCI: Fix pci cardbus removal
PCI: set pci sriov page size before reading SRIOV BAR
PCI: workaround hard-wired bus number V2
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/pci/iov.c | 3 | ||||
-rw-r--r-- | drivers/pci/probe.c | 5 | ||||
-rw-r--r-- | drivers/pci/remove.c | 28 |
3 files changed, 28 insertions, 8 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index 0321fa3b4226..0dab5ecf61bb 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c | |||
@@ -347,8 +347,6 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn) | |||
347 | return rc; | 347 | return rc; |
348 | } | 348 | } |
349 | 349 | ||
350 | pci_write_config_dword(dev, iov->pos + PCI_SRIOV_SYS_PGSIZE, iov->pgsz); | ||
351 | |||
352 | iov->ctrl |= PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE; | 350 | iov->ctrl |= PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE; |
353 | pci_cfg_access_lock(dev); | 351 | pci_cfg_access_lock(dev); |
354 | pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl); | 352 | pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl); |
@@ -466,6 +464,7 @@ found: | |||
466 | return -EIO; | 464 | return -EIO; |
467 | 465 | ||
468 | pgsz &= ~(pgsz - 1); | 466 | pgsz &= ~(pgsz - 1); |
467 | pci_write_config_dword(dev, pos + PCI_SRIOV_SYS_PGSIZE, pgsz); | ||
469 | 468 | ||
470 | nres = 0; | 469 | nres = 0; |
471 | for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) { | 470 | for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) { |
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 7cc9e2f0f47c..71eac9cd724d 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c | |||
@@ -651,6 +651,11 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, | |||
651 | dev_dbg(&dev->dev, "scanning [bus %02x-%02x] behind bridge, pass %d\n", | 651 | dev_dbg(&dev->dev, "scanning [bus %02x-%02x] behind bridge, pass %d\n", |
652 | secondary, subordinate, pass); | 652 | secondary, subordinate, pass); |
653 | 653 | ||
654 | if (!primary && (primary != bus->number) && secondary && subordinate) { | ||
655 | dev_warn(&dev->dev, "Primary bus is hard wired to 0\n"); | ||
656 | primary = bus->number; | ||
657 | } | ||
658 | |||
654 | /* Check if setup is sensible at all */ | 659 | /* Check if setup is sensible at all */ |
655 | if (!pass && | 660 | if (!pass && |
656 | (primary != bus->number || secondary <= bus->number)) { | 661 | (primary != bus->number || secondary <= bus->number)) { |
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index 6def3624c688..ef8b18c48f26 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c | |||
@@ -77,6 +77,7 @@ void pci_remove_bus(struct pci_bus *pci_bus) | |||
77 | } | 77 | } |
78 | EXPORT_SYMBOL(pci_remove_bus); | 78 | EXPORT_SYMBOL(pci_remove_bus); |
79 | 79 | ||
80 | static void __pci_remove_behind_bridge(struct pci_dev *dev); | ||
80 | /** | 81 | /** |
81 | * pci_remove_bus_device - remove a PCI device and any children | 82 | * pci_remove_bus_device - remove a PCI device and any children |
82 | * @dev: the device to remove | 83 | * @dev: the device to remove |
@@ -94,7 +95,7 @@ static void __pci_remove_bus_device(struct pci_dev *dev) | |||
94 | if (dev->subordinate) { | 95 | if (dev->subordinate) { |
95 | struct pci_bus *b = dev->subordinate; | 96 | struct pci_bus *b = dev->subordinate; |
96 | 97 | ||
97 | pci_remove_behind_bridge(dev); | 98 | __pci_remove_behind_bridge(dev); |
98 | pci_remove_bus(b); | 99 | pci_remove_bus(b); |
99 | dev->subordinate = NULL; | 100 | dev->subordinate = NULL; |
100 | } | 101 | } |
@@ -107,6 +108,24 @@ void pci_remove_bus_device(struct pci_dev *dev) | |||
107 | __pci_remove_bus_device(dev); | 108 | __pci_remove_bus_device(dev); |
108 | } | 109 | } |
109 | 110 | ||
111 | static void __pci_remove_behind_bridge(struct pci_dev *dev) | ||
112 | { | ||
113 | struct list_head *l, *n; | ||
114 | |||
115 | if (dev->subordinate) | ||
116 | list_for_each_safe(l, n, &dev->subordinate->devices) | ||
117 | __pci_remove_bus_device(pci_dev_b(l)); | ||
118 | } | ||
119 | |||
120 | static void pci_stop_behind_bridge(struct pci_dev *dev) | ||
121 | { | ||
122 | struct list_head *l, *n; | ||
123 | |||
124 | if (dev->subordinate) | ||
125 | list_for_each_safe(l, n, &dev->subordinate->devices) | ||
126 | pci_stop_bus_device(pci_dev_b(l)); | ||
127 | } | ||
128 | |||
110 | /** | 129 | /** |
111 | * pci_remove_behind_bridge - remove all devices behind a PCI bridge | 130 | * pci_remove_behind_bridge - remove all devices behind a PCI bridge |
112 | * @dev: PCI bridge device | 131 | * @dev: PCI bridge device |
@@ -117,11 +136,8 @@ void pci_remove_bus_device(struct pci_dev *dev) | |||
117 | */ | 136 | */ |
118 | void pci_remove_behind_bridge(struct pci_dev *dev) | 137 | void pci_remove_behind_bridge(struct pci_dev *dev) |
119 | { | 138 | { |
120 | struct list_head *l, *n; | 139 | pci_stop_behind_bridge(dev); |
121 | 140 | __pci_remove_behind_bridge(dev); | |
122 | if (dev->subordinate) | ||
123 | list_for_each_safe(l, n, &dev->subordinate->devices) | ||
124 | __pci_remove_bus_device(pci_dev_b(l)); | ||
125 | } | 141 | } |
126 | 142 | ||
127 | static void pci_stop_bus_devices(struct pci_bus *bus) | 143 | static void pci_stop_bus_devices(struct pci_bus *bus) |