From: Yinghai Lu <yinghai@kernel.org>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Ram Pai <linuxram@us.ibm.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
Yinghai Lu <yinghai@kernel.org>
Subject: [PATCH 15/21] PCI: add debug print out for add_size
Date: Sat, 21 Jan 2012 02:08:31 -0800 [thread overview]
Message-ID: <1327140517-14811-16-git-send-email-yinghai@kernel.org> (raw)
In-Reply-To: <1327140517-14811-1-git-send-email-yinghai@kernel.org>
for some corner cases later.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
drivers/pci/setup-bus.c | 24 ++++++++++++++++++------
1 files changed, 18 insertions(+), 6 deletions(-)
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index c845d18..ae0b1f2 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -118,10 +118,13 @@ static resource_size_t get_res_add_size(struct list_head *head,
list_for_each_entry(dev_res, head, list) {
if (dev_res->res == res) {
+ int idx = res - &dev_res->dev->resource[0];
+
dev_printk(KERN_DEBUG, &dev_res->dev->dev,
- "%pR get_res_add_size add_size %llx\n",
- dev_res->res,
+ "res[%d]=%pR get_res_add_size add_size %llx\n",
+ idx, dev_res->res,
(unsigned long long)dev_res->add_size);
+
return dev_res->add_size;
}
}
@@ -260,8 +263,9 @@ static void reassign_resources_sorted(struct list_head *realloc_head,
if (pci_reassign_resource(add_res->dev, idx,
add_size, align))
dev_printk(KERN_DEBUG, &add_res->dev->dev,
- "failed to add optional resources res=%pR\n",
- res);
+ "failed to add %llx res[%d]=%pR\n",
+ (unsigned long long)add_size,
+ idx, res);
}
out:
list_del(&add_res->list);
@@ -760,8 +764,12 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size,
b_res->start = 4096;
b_res->end = b_res->start + size0 - 1;
b_res->flags |= IORESOURCE_STARTALIGN;
- if (size1 > size0 && realloc_head)
+ if (size1 > size0 && realloc_head) {
add_to_list(realloc_head, bus->self, b_res, size1-size0, 4096);
+ dev_printk(KERN_DEBUG, &bus->self->dev, "bridge window "
+ "%pR to [bus %02x-%02x] add_size %lx\n", b_res,
+ bus->secondary, bus->subordinate, size1-size0);
+ }
}
/**
@@ -873,8 +881,12 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
b_res->start = min_align;
b_res->end = size0 + min_align - 1;
b_res->flags |= IORESOURCE_STARTALIGN | mem64_mask;
- if (size1 > size0 && realloc_head)
+ if (size1 > size0 && realloc_head) {
add_to_list(realloc_head, bus->self, b_res, size1-size0, min_align);
+ dev_printk(KERN_DEBUG, &bus->self->dev, "bridge window "
+ "%pR to [bus %02x-%02x] add_size %llx\n", b_res,
+ bus->secondary, bus->subordinate, (unsigned long long)size1-size0);
+ }
return 1;
}
--
1.7.7
next prev parent reply other threads:[~2012-01-21 10:08 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-21 10:08 [PATCH 00/21] PCI : bridge resource reallocation patchset Yinghai Lu
2012-01-21 10:08 ` [PATCH 01/21] PCI : Calculate right add_size Yinghai Lu
2012-01-27 17:55 ` Jesse Barnes
2012-01-21 10:08 ` [PATCH 02/21] PCI: Make add_to_list() return status Yinghai Lu
2012-01-21 10:08 ` [PATCH 03/21] PCI: Move get_res_add_size() early Yinghai Lu
2012-01-21 10:08 ` [PATCH 04/21] PCI: Try to assign required+option size at first Yinghai Lu
2012-01-21 10:08 ` [PATCH 05/21] PCI: Using add_list in pcie hotplug path Yinghai Lu
2012-01-21 10:08 ` [PATCH 06/21] PCI: Make rescan bus could increase bridge resource size if needed Yinghai Lu
2012-01-27 18:00 ` Jesse Barnes
2012-01-21 10:08 ` [PATCH 07/21] PCI: Make pci_rescan_bus handle add_list Yinghai Lu
2012-01-21 10:08 ` [PATCH 08/21] PCI: Fixing multiple retrying with pci resource optional resources allocation under multi bridges Yinghai Lu
2012-01-21 10:08 ` [PATCH 09/21] PCI: Move pdev_sort_resources() to setup-bus.c Yinghai Lu
2012-01-21 10:08 ` [PATCH 10/21] PCI: Move struct resource_list " Yinghai Lu
2012-01-21 10:08 ` [PATCH 11/21] PCI: Replace resource_list with generic list Yinghai Lu
2012-01-21 10:08 ` [PATCH 12/21] PCI: Merge pci_dev_resource_x and pci_dev_resource Yinghai Lu
2012-01-21 10:08 ` [PATCH 13/21] PCI: Rename dev_res_x to add_res or fail_res Yinghai Lu
2012-01-21 10:08 ` [PATCH 14/21] PCI: Change free_list() to function Yinghai Lu
2012-01-21 10:08 ` Yinghai Lu [this message]
2012-01-21 10:08 ` [PATCH 16/21] PCI: remove add_to_failed_list() Yinghai Lu
2012-01-27 18:21 ` Jesse Barnes
2012-01-21 10:08 ` [PATCH 17/21] PCI: Disable cardbus bridge MEM1 pref CTL Yinghai Lu
2012-01-27 18:22 ` Jesse Barnes
2012-01-27 18:39 ` Yinghai Lu
2012-01-21 10:08 ` [PATCH 18/21] PCI: Fix cardbus bridge resources as optional size handling Yinghai Lu
2012-01-27 18:23 ` Jesse Barnes
2012-01-27 21:37 ` Yinghai Lu
2012-02-05 21:58 ` Dominik Brodowski
2012-02-05 23:30 ` Yinghai Lu
2012-02-10 15:35 ` Dominik Brodowski
2012-02-10 17:07 ` Yinghai Lu
2012-01-21 10:08 ` [PATCH 19/21] PCI: Retry on type IORESOURCE_IO allocation Yinghai Lu
2012-01-21 10:08 ` [PATCH 20/21] PCI: Make pci bridge reallocating enabled/disabled Yinghai Lu
2012-01-21 10:08 ` [PATCH 21/21] PCI: only enable pci realloc when SRIOV bar is not assigned Yinghai Lu
2012-01-27 18:25 ` Jesse Barnes
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