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LKML: Greg KH: [PATCH] PCI: Add pci shutdown ability
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Johnson"</a></li></ul></li></ul></li><li><a href="/lkml/2005/4/25/182">Greg KH</a><ul><li><a href="/lkml/2005/4/26/1">Benjamin Herrenschmidt</a></li></ul></li></ul></li><li><a href="/lkml/2005/4/25/179">Adam Belay</a><ul><li><a href="/lkml/2005/4/25/187">Greg KH</a><ul><li><a href="/lkml/2005/4/25/191">Adam Belay</a></li></ul></li></ul></li><li><a href="/lkml/2005/4/25/196">Pavel Machek</a><ul><li><a href="/lkml/2005/4/25/201">Adam Belay</a><ul><li><a href="/lkml/2005/4/25/208">Pavel Machek</a><ul><li><a href="/lkml/2005/4/26/13">Benjamin Herrenschmidt</a></li><li><a href="/lkml/2005/4/26/148">David Brownell</a></li></ul></li></ul></li><li><a href="/lkml/2005/4/25/204">Greg KH</a><ul><li><a href="/lkml/2005/4/25/217">Pavel Machek</a></li><li><a href="/lkml/2005/4/25/295">Benjamin Herrenschmidt</a><ul><li><a href="/lkml/2005/4/26/106">Pavel Machek</a></li></ul></li></ul></li><li><a href="/lkml/2005/4/25/210">David Brownell</a></li><li><a href="/lkml/2005/4/25/294">Benjamin Herrenschmidt</a><ul><li><a href="/lkml/2005/4/26/42">Adam Belay</a><ul><li><a href="/lkml/2005/4/26/45">Greg KH</a></li></ul></li></ul></li></ul></li></ul></li></ul><div class="threadlist">Patch in this message</div><ul class="threadlist"><li><a href="/lkml/diff/2005/4/25/154/1">Get diff 1</a></li></ul></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerl.gif" width="32" height="32" alt="/" /></td><td class="c" rowspan="2" valign="top" style="padding-top: 1em"><table><tr><td><table><tr><td class="lp">Date</td><td class="rp" itemprop="datePublished">Mon, 25 Apr 2005 12:06:06 -0700</td></tr><tr><td class="lp">From</td><td class="rp" itemprop="author">Greg KH <></td></tr><tr><td class="lp">Subject</td><td class="rp" itemprop="name">[PATCH] PCI: Add pci shutdown ability</td></tr></table></td><td></td></tr></table><pre itemprop="articleBody">Well it seems that people are starting to want to hook the reboot<br />notifier, or the device shutdown facility in order to properly shutdown<br />pci drivers to make kexec work nicer.<br /><br />So here's a patch for the PCI core that allows pci drivers to now just<br />add a "shutdown" notifier function that will be called when the system<br />is being shutdown. It happens just after the reboot notifier happens,<br />and it should happen in the proper device tree order, so everyone should<br />be happy.<br /><br />Any objections to this patch?<br /><br />thanks,<br /><br />greg k-h<br />------<br /><br />PCI: Add pci shutdown ability<br /><br />Now pci drivers can know when the system is going down without having to<br />add a reboot notifier event.<br /><br />Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de><br /><br />--- gregkh-2.6.orig/include/linux/pci.h 2005-04-20 21:25:11.000000000 -0700<br />+++ gregkh-2.6/include/linux/pci.h 2005-04-25 11:54:20.000000000 -0700<br />@@ -671,6 +671,7 @@<br /> int (*suspend) (struct pci_dev *dev, pm_message_t state); /* Device suspended */<br /> int (*resume) (struct pci_dev *dev); /* Device woken up */<br /> int (*enable_wake) (struct pci_dev *dev, pci_power_t state, int enable); /* Enable wake event */<br />+ void (*shutdown) (struct pci_dev *dev);<br /> <br /> struct device_driver driver;<br /> struct pci_dynids dynids;<br />Index: gregkh-2.6/drivers/pci/pci-driver.c<br />===================================================================<br />--- gregkh-2.6.orig/drivers/pci/pci-driver.c 2005-04-06 11:47:47.000000000 -0700<br />+++ gregkh-2.6/drivers/pci/pci-driver.c 2005-04-25 12:02:12.000000000 -0700<br />@@ -318,6 +318,14 @@<br /> return 0;<br /> }<br /> <br />+static void pci_device_shutdown(struct device *dev)<br />+{<br />+ struct pci_dev *pci_dev = to_pci_dev(dev);<br />+ struct pci_driver *drv = pci_dev->driver;<br />+<br />+ if (drv && drv->shutdown)<br />+ drv->shutdown(pci_dev);<br />+}<br /> <br /> #define kobj_to_pci_driver(obj) container_of(obj, struct device_driver, kobj)<br /> #define attr_to_driver_attribute(obj) container_of(obj, struct driver_attribute, attr)<br />@@ -385,6 +393,7 @@<br /> drv->driver.bus = &pci_bus_type;<br /> drv->driver.probe = pci_device_probe;<br /> drv->driver.remove = pci_device_remove;<br />+ drv->driver.shutdown = pci_device_shutdown,<br /> drv->driver.owner = drv->owner;<br /> drv->driver.kobj.ktype = &pci_driver_kobj_type;<br /> pci_init_dynids(&drv->dynids);<br />-<br />To unsubscribe from this list: send the line "unsubscribe linux-kernel" in<br />the body of a message to majordomo@vger.kernel.org<br />More majordomo info at <a href="http://vger.kernel.org/majordomo-info.html">http://vger.kernel.org/majordomo-info.html</a><br />Please read the FAQ at <a href="http://www.tux.org/lkml/">http://www.tux.org/lkml/</a><br /></pre></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerr.gif" width="32" height="32" alt="\" /></td></tr><tr><td align="right" valign="bottom"> 聽 </td></tr><tr><td align="right" valign="bottom">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerl.gif" width="32" height="32" alt="\" /></td><td class="c">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerr.gif" width="32" height="32" alt="/" /></td></tr><tr><td align="right" valign="top" colspan="2"> 聽 </td><td class="lm">Last update: 2005-04-25 21:13 聽聽 [from the cache]<br />漏2003-2020 <a href="http://blog.jasper.es/"><span itemprop="editor">Jasper Spaans</span></a>|hosted at <a href="https://www.digitalocean.com/?refcode=9a8e99d24cf9">Digital Ocean</a> and my Meterkast|<a href="http://blog.jasper.es/categories.html#lkml-ref">Read the blog</a></td><td>聽</td></tr></table><script language="javascript" src="/js/styleswitcher.js" type="text/javascript"></script></body></html>