- 29 10月, 2005 1 次提交
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由 Brian King 提交于
Some PCI adapters (eg. ipr scsi adapters) have an exposure today in that they issue BIST to the adapter to reset the card. If, during the time it takes to complete BIST, userspace attempts to access PCI config space, the host bus bridge will master abort the access since the ipr adapter does not respond on the PCI bus for a brief period of time when running BIST. On PPC64 hardware, this master abort results in the host PCI bridge isolating that PCI device from the rest of the system, making the device unusable until Linux is rebooted. This patch is an attempt to close that exposure by introducing some blocking code in the PCI code. When blocked, writes will be humored and reads will return the cached value. Ben Herrenschmidt has also mentioned that he plans to use this in PPC power management. Signed-off-by: NBrian King <brking@us.ibm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de> drivers/pci/access.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++ drivers/pci/pci-sysfs.c | 20 +++++----- drivers/pci/pci.h | 7 +++ drivers/pci/proc.c | 28 +++++++-------- drivers/pci/syscall.c | 14 +++---- include/linux/pci.h | 7 +++ 6 files changed, 134 insertions(+), 31 deletions(-)
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- 10 9月, 2005 1 次提交
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由 Paul Mackerras 提交于
This patch makes some small rearrangements of the PCI probing code in order to make it possible for arch code to set up the PCI tree without needing to duplicate code from the PCI layer unnecessarily. PPC64 will use this to set up the PCI tree from the Open Firmware device tree, which we need to do on logically-partitioned pSeries systems. Signed-off-by: NPaul Mackerras <paulus@samba.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 17 8月, 2005 2 次提交
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由 Andrew Morton 提交于
drivers/built-in.o(.text+0x32c3): In function `quirk_pcie_pxh': /usr/src/25/drivers/pci/quirks.c:1312: undefined reference to `disable_msi_mode' Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Kristen Accardi 提交于
On the 6700/6702 PXH part, a MSI may get corrupted if an ACPI hotplug driver and SHPC driver in MSI mode are used together. This patch will prevent MSI from being enabled for the SHPC as part of an early pci quirk, as well as on any pci device which sets the no_msi bit. Signed-off-by: NKristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 12 7月, 2005 2 次提交
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由 David Shaohua Li 提交于
platform_pci_set_power_state() and ACPI can answer http://bugzilla.kernel.org/show_bug.cgi?id=4277Signed-off-by: NDavid Shaohua Li <shaohua.li@intel.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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由 David Shaohua Li 提交于
pci_choose_state() can now call platform_pci_choose_state() and ACPI can answer http://bugzilla.kernel.org/show_bug.cgi?id=4277Signed-off-by: NDavid Shaohua Li <shaohua.li@intel.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 18 5月, 2005 1 次提交
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由 Scott Murray 提交于
If my CPCI hotplug update patch is applied, then there are no longer any in tree users of the pci_visit_dev API, and it and its related code can be removed. Signed-off-by: NScott Murray <scottm@somanetworks.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 17 4月, 2005 1 次提交
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由 Linus Torvalds 提交于
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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