[PATCH] openfirmware: generate device table for userspace
This converts the usage of struct of_match to struct of_device_id, similar to pci_device_id. This allows a device table to be generated, which can be parsed by depmod(8) to generate a map file for module loading. In order for hotplug to work with macio devices, patches to module-init-tools and hotplug must be applied. Those patches are available at: ftp://ftp.suse.com/pub/people/jeffm/linux/macio-hotplug/ Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
parent
159f597a8b
commit
5e6557722e
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@ -3,6 +3,7 @@
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/mod_devicetable.h>
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#include <asm/errno.h>
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#include <asm/of_device.h>
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@ -15,20 +16,20 @@
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* Used by a driver to check whether an of_device present in the
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* system is in its list of supported devices.
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*/
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const struct of_match * of_match_device(const struct of_match *matches,
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const struct of_device_id * of_match_device(const struct of_device_id *matches,
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const struct of_device *dev)
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{
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if (!dev->node)
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return NULL;
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while (matches->name || matches->type || matches->compatible) {
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while (matches->name[0] || matches->type[0] || matches->compatible[0]) {
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int match = 1;
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if (matches->name && matches->name != OF_ANY_MATCH)
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if (matches->name[0])
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match &= dev->node->name
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&& !strcmp(matches->name, dev->node->name);
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if (matches->type && matches->type != OF_ANY_MATCH)
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if (matches->type[0])
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match &= dev->node->type
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&& !strcmp(matches->type, dev->node->type);
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if (matches->compatible && matches->compatible != OF_ANY_MATCH)
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if (matches->compatible[0])
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match &= device_is_compatible(dev->node,
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matches->compatible);
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if (match)
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@ -42,7 +43,7 @@ static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
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{
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struct of_device * of_dev = to_of_device(dev);
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struct of_platform_driver * of_drv = to_of_platform_driver(drv);
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const struct of_match * matches = of_drv->match_table;
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const struct of_device_id * matches = of_drv->match_table;
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if (!matches)
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return 0;
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@ -75,7 +76,7 @@ static int of_device_probe(struct device *dev)
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int error = -ENODEV;
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struct of_platform_driver *drv;
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struct of_device *of_dev;
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const struct of_match *match;
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const struct of_device_id *match;
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drv = to_of_platform_driver(dev->driver);
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of_dev = to_of_device(dev);
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@ -3,6 +3,7 @@
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/mod_devicetable.h>
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#include <asm/errno.h>
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#include <asm/of_device.h>
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@ -15,20 +16,20 @@
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* Used by a driver to check whether an of_device present in the
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* system is in its list of supported devices.
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*/
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const struct of_match * of_match_device(const struct of_match *matches,
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const struct of_device_id *of_match_device(const struct of_device_id *matches,
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const struct of_device *dev)
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{
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if (!dev->node)
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return NULL;
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while (matches->name || matches->type || matches->compatible) {
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while (matches->name[0] || matches->type[0] || matches->compatible[0]) {
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int match = 1;
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if (matches->name && matches->name != OF_ANY_MATCH)
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if (matches->name[0])
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match &= dev->node->name
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&& !strcmp(matches->name, dev->node->name);
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if (matches->type && matches->type != OF_ANY_MATCH)
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if (matches->type[0])
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match &= dev->node->type
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&& !strcmp(matches->type, dev->node->type);
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if (matches->compatible && matches->compatible != OF_ANY_MATCH)
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if (matches->compatible[0])
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match &= device_is_compatible(dev->node,
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matches->compatible);
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if (match)
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@ -42,7 +43,7 @@ static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
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{
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struct of_device * of_dev = to_of_device(dev);
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struct of_platform_driver * of_drv = to_of_platform_driver(drv);
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const struct of_match * matches = of_drv->match_table;
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const struct of_device_id * matches = of_drv->match_table;
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if (!matches)
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return 0;
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@ -75,7 +76,7 @@ static int of_device_probe(struct device *dev)
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int error = -ENODEV;
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struct of_platform_driver *drv;
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struct of_device *of_dev;
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const struct of_match *match;
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const struct of_device_id *match;
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drv = to_of_platform_driver(dev->driver);
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of_dev = to_of_device(dev);
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@ -698,7 +698,7 @@ dispose_iface(struct device *dev)
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}
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static int
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create_iface_macio(struct macio_dev* dev, const struct of_match *match)
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create_iface_macio(struct macio_dev* dev, const struct of_device_id *match)
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{
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return create_iface(dev->ofdev.node, &dev->ofdev.dev);
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}
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@ -710,7 +710,7 @@ dispose_iface_macio(struct macio_dev* dev)
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}
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static int
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create_iface_of_platform(struct of_device* dev, const struct of_match *match)
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create_iface_of_platform(struct of_device* dev, const struct of_device_id *match)
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{
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return create_iface(dev->node, &dev->dev);
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}
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@ -721,10 +721,9 @@ dispose_iface_of_platform(struct of_device* dev)
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return dispose_iface(&dev->dev);
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}
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static struct of_match i2c_keywest_match[] =
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static struct of_device_id i2c_keywest_match[] =
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{
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{
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.name = OF_ANY_MATCH,
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.type = "i2c",
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.compatible = "keywest"
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},
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@ -1419,7 +1419,7 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
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* Attach to a macio probed interface
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*/
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static int __devinit
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pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_match *match)
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pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
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{
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void __iomem *base;
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unsigned long regbase;
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@ -1637,27 +1637,19 @@ pmac_ide_pci_resume(struct pci_dev *pdev)
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return rc;
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}
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static struct of_match pmac_ide_macio_match[] =
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static struct of_device_id pmac_ide_macio_match[] =
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{
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{
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.name = "IDE",
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.type = OF_ANY_MATCH,
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.compatible = OF_ANY_MATCH
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},
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{
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.name = "ATA",
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.type = OF_ANY_MATCH,
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.compatible = OF_ANY_MATCH
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},
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{
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.name = OF_ANY_MATCH,
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.type = "ide",
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.compatible = OF_ANY_MATCH
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},
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{
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.name = OF_ANY_MATCH,
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.type = "ata",
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.compatible = OF_ANY_MATCH
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},
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{},
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};
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{
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struct macio_dev * macio_dev = to_macio_device(dev);
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struct macio_driver * macio_drv = to_macio_driver(drv);
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const struct of_match * matches = macio_drv->match_table;
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const struct of_device_id * matches = macio_drv->match_table;
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if (!matches)
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return 0;
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@ -66,7 +66,7 @@ static int macio_device_probe(struct device *dev)
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int error = -ENODEV;
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struct macio_driver *drv;
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struct macio_dev *macio_dev;
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const struct of_match *match;
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const struct of_device_id *match;
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drv = to_macio_driver(dev->driver);
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macio_dev = to_macio_device(dev);
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@ -642,7 +642,7 @@ static int __pmac media_bay_task(void *x)
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}
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}
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static int __devinit media_bay_attach(struct macio_dev *mdev, const struct of_match *match)
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static int __devinit media_bay_attach(struct macio_dev *mdev, const struct of_device_id *match)
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{
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struct media_bay_info* bay;
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u32 __iomem *regbase;
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@ -797,23 +797,20 @@ static struct mb_ops keylargo_mb_ops __pmacdata = {
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* Therefore we do it all by polling the media bay once each tick.
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*/
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static struct of_match media_bay_match[] =
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static struct of_device_id media_bay_match[] =
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{
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{
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.name = "media-bay",
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.type = OF_ANY_MATCH,
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.compatible = "keylargo-media-bay",
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.data = &keylargo_mb_ops,
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},
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{
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.name = "media-bay",
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.type = OF_ANY_MATCH,
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.compatible = "heathrow-media-bay",
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.data = &heathrow_mb_ops,
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},
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{
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.name = "media-bay",
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.type = OF_ANY_MATCH,
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.compatible = "ohare-media-bay",
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.data = &ohare_mb_ops,
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},
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#include <asm/system.h>
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#include <asm/sections.h>
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#include <asm/of_device.h>
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#include <asm/macio.h>
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#include "therm_pm72.h"
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@ -1986,7 +1987,7 @@ static void fcu_lookup_fans(struct device_node *fcu_node)
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}
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}
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static int fcu_of_probe(struct of_device* dev, const struct of_match *match)
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static int fcu_of_probe(struct of_device* dev, const struct of_device_id *match)
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{
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int rc;
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return 0;
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}
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static struct of_match fcu_of_match[] =
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static struct of_device_id fcu_match[] =
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{
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{
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.name = OF_ANY_MATCH,
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.type = "fcu",
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.compatible = OF_ANY_MATCH
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},
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{},
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};
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static struct of_platform_driver fcu_of_platform_driver =
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{
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.name = "temperature",
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.match_table = fcu_of_match,
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.match_table = fcu_match,
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.probe = fcu_of_probe,
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.remove = fcu_of_remove
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};
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#include <asm/system.h>
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#include <asm/sections.h>
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#include <asm/of_device.h>
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#include <asm/macio.h>
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#define LOG_TEMP 0 /* continously log temperature */
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/************************************************************************/
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static int
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therm_of_probe( struct of_device *dev, const struct of_match *match )
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therm_of_probe( struct of_device *dev, const struct of_device_id *match )
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{
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return i2c_add_driver( &g4fan_driver );
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}
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@ -461,9 +462,8 @@ therm_of_remove( struct of_device *dev )
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return i2c_del_driver( &g4fan_driver );
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}
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static struct of_match therm_of_match[] = {{
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static struct of_device_id therm_of_match[] = {{
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.name = "fan",
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.type = OF_ANY_MATCH,
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.compatible = "adm1030"
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}, {}
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};
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@ -1261,7 +1261,7 @@ static void bmac_reset_and_enable(struct net_device *dev)
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spin_unlock_irqrestore(&bp->lock, flags);
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}
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static int __devinit bmac_probe(struct macio_dev *mdev, const struct of_match *match)
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static int __devinit bmac_probe(struct macio_dev *mdev, const struct of_device_id *match)
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{
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int j, rev, ret;
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struct bmac_data *bp;
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return 0;
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}
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static struct of_match bmac_match[] =
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static struct of_device_id bmac_match[] =
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{
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{
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.name = "bmac",
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.type = OF_ANY_MATCH,
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.compatible = OF_ANY_MATCH,
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.data = (void *)0,
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},
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{
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.name = OF_ANY_MATCH,
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.type = "network",
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.compatible = "bmac+",
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.data = (void *)1,
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@ -109,7 +109,7 @@ bitrev(int b)
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}
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static int __devinit mace_probe(struct macio_dev *mdev, const struct of_match *match)
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static int __devinit mace_probe(struct macio_dev *mdev, const struct of_device_id *match)
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{
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struct device_node *mace = macio_get_of_node(mdev);
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struct net_device *dev;
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@ -1009,12 +1009,10 @@ static irqreturn_t mace_rxdma_intr(int irq, void *dev_id, struct pt_regs *regs)
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return IRQ_HANDLED;
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}
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static struct of_match mace_match[] =
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static struct of_device_id mace_match[] =
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{
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{
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.name = "mace",
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.type = OF_ANY_MATCH,
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.compatible = OF_ANY_MATCH
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},
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{},
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};
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@ -184,7 +184,7 @@ static int airport_hard_reset(struct orinoco_private *priv)
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}
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static int
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airport_attach(struct macio_dev *mdev, const struct of_match *match)
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airport_attach(struct macio_dev *mdev, const struct of_device_id *match)
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{
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struct orinoco_private *priv;
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struct net_device *dev;
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@ -266,16 +266,16 @@ MODULE_AUTHOR("Benjamin Herrenschmidt <benh@kernel.crashing.org>");
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MODULE_DESCRIPTION("Driver for the Apple Airport wireless card.");
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MODULE_LICENSE("Dual MPL/GPL");
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static struct of_match airport_match[] =
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static struct of_device_id airport_match[] =
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{
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{
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.name = "radio",
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.type = OF_ANY_MATCH,
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.compatible = OF_ANY_MATCH
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},
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{},
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};
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MODULE_DEVICE_TABLE (of, airport_match);
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static struct macio_driver airport_driver =
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{
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.name = DRIVER_NAME,
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@ -424,7 +424,7 @@ static struct scsi_host_template mac53c94_template = {
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.use_clustering = DISABLE_CLUSTERING,
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};
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static int mac53c94_probe(struct macio_dev *mdev, const struct of_match *match)
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static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *match)
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{
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struct device_node *node = macio_get_of_node(mdev);
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struct pci_dev *pdev = macio_get_pci_dev(mdev);
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@ -544,15 +544,14 @@ static int mac53c94_remove(struct macio_dev *mdev)
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}
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static struct of_match mac53c94_match[] =
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static struct of_device_id mac53c94_match[] =
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{
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{
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.name = "53c94",
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.type = OF_ANY_MATCH,
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.compatible = OF_ANY_MATCH
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},
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{},
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};
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MODULE_DEVICE_TABLE (of, mac53c94_match);
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static struct macio_driver mac53c94_driver =
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{
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@ -1847,7 +1847,7 @@ static struct scsi_host_template mesh_template = {
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.use_clustering = DISABLE_CLUSTERING,
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};
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static int mesh_probe(struct macio_dev *mdev, const struct of_match *match)
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static int mesh_probe(struct macio_dev *mdev, const struct of_device_id *match)
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{
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struct device_node *mesh = macio_get_of_node(mdev);
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struct pci_dev* pdev = macio_get_pci_dev(mdev);
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@ -2012,20 +2012,18 @@ static int mesh_remove(struct macio_dev *mdev)
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}
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static struct of_match mesh_match[] =
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static struct of_device_id mesh_match[] =
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{
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{
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.name = "mesh",
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.type = OF_ANY_MATCH,
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.compatible = OF_ANY_MATCH
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},
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{
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.name = OF_ANY_MATCH,
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.type = "scsi",
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.compatible = "chrp,mesh0"
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},
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{},
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};
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MODULE_DEVICE_TABLE (of, mesh_match);
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static struct macio_driver mesh_driver =
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{
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@ -1545,7 +1545,7 @@ static void pmz_dispose_port(struct uart_pmac_port *uap)
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|||
/*
|
||||
* Called upon match with an escc node in the devive-tree.
|
||||
*/
|
||||
static int pmz_attach(struct macio_dev *mdev, const struct of_match *match)
|
||||
static int pmz_attach(struct macio_dev *mdev, const struct of_device_id *match)
|
||||
{
|
||||
int i;
|
||||
|
||||
|
@ -1850,20 +1850,17 @@ err_out:
|
|||
return rc;
|
||||
}
|
||||
|
||||
static struct of_match pmz_match[] =
|
||||
static struct of_device_id pmz_match[] =
|
||||
{
|
||||
{
|
||||
.name = "ch-a",
|
||||
.type = OF_ANY_MATCH,
|
||||
.compatible = OF_ANY_MATCH
|
||||
},
|
||||
{
|
||||
.name = "ch-b",
|
||||
.type = OF_ANY_MATCH,
|
||||
.compatible = OF_ANY_MATCH
|
||||
},
|
||||
{},
|
||||
};
|
||||
MODULE_DEVICE_TABLE (of, pmz_match);
|
||||
|
||||
static struct macio_driver pmz_driver =
|
||||
{
|
||||
|
|
|
@ -523,7 +523,7 @@ int __init platinumfb_setup(char *options)
|
|||
#define invalidate_cache(addr)
|
||||
#endif
|
||||
|
||||
static int __devinit platinumfb_probe(struct of_device* odev, const struct of_match *match)
|
||||
static int __devinit platinumfb_probe(struct of_device* odev, const struct of_device_id *match)
|
||||
{
|
||||
struct device_node *dp = odev->node;
|
||||
struct fb_info *info;
|
||||
|
@ -647,12 +647,10 @@ static int __devexit platinumfb_remove(struct of_device* odev)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static struct of_match platinumfb_match[] =
|
||||
static struct of_device_id platinumfb_match[] =
|
||||
{
|
||||
{
|
||||
.name = "platinum",
|
||||
.type = OF_ANY_MATCH,
|
||||
.compatible = OF_ANY_MATCH,
|
||||
},
|
||||
{},
|
||||
};
|
||||
|
|
|
@ -1,6 +1,7 @@
|
|||
#ifndef __MACIO_ASIC_H__
|
||||
#define __MACIO_ASIC_H__
|
||||
|
||||
#include <linux/mod_devicetable.h>
|
||||
#include <asm/of_device.h>
|
||||
|
||||
extern struct bus_type macio_bus_type;
|
||||
|
@ -120,10 +121,10 @@ static inline struct pci_dev *macio_get_pci_dev(struct macio_dev *mdev)
|
|||
struct macio_driver
|
||||
{
|
||||
char *name;
|
||||
struct of_match *match_table;
|
||||
struct of_device_id *match_table;
|
||||
struct module *owner;
|
||||
|
||||
int (*probe)(struct macio_dev* dev, const struct of_match *match);
|
||||
int (*probe)(struct macio_dev* dev, const struct of_device_id *match);
|
||||
int (*remove)(struct macio_dev* dev);
|
||||
|
||||
int (*suspend)(struct macio_dev* dev, pm_message_t state);
|
||||
|
|
|
@ -24,20 +24,8 @@ struct of_device
|
|||
};
|
||||
#define to_of_device(d) container_of(d, struct of_device, dev)
|
||||
|
||||
/*
|
||||
* Struct used for matching a device
|
||||
*/
|
||||
struct of_match
|
||||
{
|
||||
char *name;
|
||||
char *type;
|
||||
char *compatible;
|
||||
void *data;
|
||||
};
|
||||
#define OF_ANY_MATCH ((char *)-1L)
|
||||
|
||||
extern const struct of_match *of_match_device(
|
||||
const struct of_match *matches, const struct of_device *dev);
|
||||
extern const struct of_device_id *of_match_device(
|
||||
const struct of_device_id *matches, const struct of_device *dev);
|
||||
|
||||
extern struct of_device *of_dev_get(struct of_device *dev);
|
||||
extern void of_dev_put(struct of_device *dev);
|
||||
|
@ -49,10 +37,10 @@ extern void of_dev_put(struct of_device *dev);
|
|||
struct of_platform_driver
|
||||
{
|
||||
char *name;
|
||||
struct of_match *match_table;
|
||||
struct of_device_id *match_table;
|
||||
struct module *owner;
|
||||
|
||||
int (*probe)(struct of_device* dev, const struct of_match *match);
|
||||
int (*probe)(struct of_device* dev, const struct of_device_id *match);
|
||||
int (*remove)(struct of_device* dev);
|
||||
|
||||
int (*suspend)(struct of_device* dev, pm_message_t state);
|
||||
|
|
|
@ -174,6 +174,17 @@ struct serio_device_id {
|
|||
__u8 proto;
|
||||
};
|
||||
|
||||
/*
|
||||
* Struct used for matching a device
|
||||
*/
|
||||
struct of_device_id
|
||||
{
|
||||
char name[32];
|
||||
char type[32];
|
||||
char compatible[128];
|
||||
void *data;
|
||||
};
|
||||
|
||||
|
||||
/* PCMCIA */
|
||||
|
||||
|
|
|
@ -25,6 +25,8 @@ typedef Elf64_Addr kernel_ulong_t;
|
|||
#include <stdint.h>
|
||||
#endif
|
||||
|
||||
#include <ctype.h>
|
||||
|
||||
typedef uint32_t __u32;
|
||||
typedef uint16_t __u16;
|
||||
typedef unsigned char __u8;
|
||||
|
@ -323,6 +325,22 @@ static int do_pcmcia_entry(const char *filename,
|
|||
|
||||
|
||||
|
||||
static int do_of_entry (const char *filename, struct of_device_id *of, char *alias)
|
||||
{
|
||||
char *tmp;
|
||||
sprintf (alias, "of:N%sT%sC%s",
|
||||
of->name[0] ? of->name : "*",
|
||||
of->type[0] ? of->type : "*",
|
||||
of->compatible[0] ? of->compatible : "*");
|
||||
|
||||
/* Replace all whitespace with underscores */
|
||||
for (tmp = alias; tmp && *tmp; tmp++)
|
||||
if (isspace (*tmp))
|
||||
*tmp = '_';
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Ignore any prefix, eg. v850 prepends _ */
|
||||
static inline int sym_is(const char *symbol, const char *name)
|
||||
{
|
||||
|
@ -401,6 +419,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
|
|||
else if (sym_is(symname, "__mod_pcmcia_device_table"))
|
||||
do_table(symval, sym->st_size, sizeof(struct pcmcia_device_id),
|
||||
do_pcmcia_entry, mod);
|
||||
else if (sym_is(symname, "__mod_of_device_table"))
|
||||
do_table(symval, sym->st_size, sizeof(struct of_device_id),
|
||||
do_of_entry, mod);
|
||||
|
||||
}
|
||||
|
||||
/* Now add out buffered information to the generated C source */
|
||||
|
|
Loading…
Reference in New Issue