Message ID | 1428053164-28277-2-git-send-email-wangyijing@huawei.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Please ignore this one, it is the same as [PATCH v9 11/30] PCI: Save sysdata in pci_host_bridge drvdata. Thanks! Yijing. On 2015/4/3 17:25, Yijing Wang wrote: > Save platform specific sysdata in pci_host_bridge > drvdata, host bridge specific operation need to > access it before the pci bus creation. > > Signed-off-by: Yijing Wang <wangyijing@huawei.com> > --- > drivers/pci/host-bridge.c | 3 ++- > drivers/pci/pci.h | 2 +- > drivers/pci/probe.c | 20 ++++++++++---------- > 3 files changed, 13 insertions(+), 12 deletions(-) > > diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c > index dffb345..98047c6 100644 > --- a/drivers/pci/host-bridge.c > +++ b/drivers/pci/host-bridge.c > @@ -63,7 +63,7 @@ static bool pci_host_busn_res_overlap( > > struct pci_host_bridge *pci_create_host_bridge( > struct device *parent, int domain, int bus, > - struct list_head *resources) > + void *sysdata, struct list_head *resources) > { > int error; > struct pci_host_bridge *host, *tmp; > @@ -101,6 +101,7 @@ struct pci_host_bridge *pci_create_host_bridge( > mutex_unlock(&pci_host_mutex); > > host->dev.release = pci_release_host_bridge_dev; > + dev_set_drvdata(&host->dev, sysdata); > dev_set_name(&host->dev, "pci%04x:%02x", > host->domain, bus); > > diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h > index 886d72f..aa8dff6 100644 > --- a/drivers/pci/pci.h > +++ b/drivers/pci/pci.h > @@ -335,7 +335,7 @@ static inline void pci_host_assign_domain_nr(struct pci_host_bridge *host) > #endif > > struct pci_host_bridge *pci_create_host_bridge(struct device *parent, > - int domain, int bus, struct list_head *resources); > + int domain, int bus, void *sysdata, struct list_head *resources); > void pci_free_host_bridge(struct pci_host_bridge *host); > > static inline int pci_host_first_busnr(struct pci_host_bridge *host) > diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c > index 8517d1b..0ac2bf6 100644 > --- a/drivers/pci/probe.c > +++ b/drivers/pci/probe.c > @@ -1865,8 +1865,7 @@ void __weak pcibios_remove_bus(struct pci_bus *bus) > } > > static struct pci_bus *__pci_create_root_bus( > - struct pci_host_bridge *bridge, struct pci_ops *ops, > - void *sysdata) > + struct pci_host_bridge *bridge, struct pci_ops *ops) > { > int error; > struct pci_bus *b; > @@ -1882,7 +1881,7 @@ static struct pci_bus *__pci_create_root_bus( > if (!b) > return NULL; > > - b->sysdata = sysdata; > + b->sysdata = dev_get_drvdata(&bridge->dev); > b->ops = ops; > b->number = b->busn_res.start = > pci_host_first_busnr(bridge); > @@ -1956,11 +1955,12 @@ struct pci_bus *pci_create_root_bus(struct device *parent, > { > struct pci_host_bridge *host; > > - host = pci_create_host_bridge(parent, domain, bus, resources); > + host = pci_create_host_bridge(parent, domain, bus, > + sysdata, resources); > if (!host) > return NULL; > > - host->bus = __pci_create_root_bus(host, ops, sysdata); > + host->bus = __pci_create_root_bus(host, ops); > if (!host->bus) > pci_free_host_bridge(host); > > @@ -2037,13 +2037,12 @@ void pci_bus_release_busn_res(struct pci_bus *b) > } > > static struct pci_bus *__pci_scan_root_bus( > - struct pci_host_bridge *host, struct pci_ops *ops, > - void *sysdata) > + struct pci_host_bridge *host, struct pci_ops *ops) > { > struct pci_bus *b; > int max; > > - b = __pci_create_root_bus(host, ops, sysdata); > + b = __pci_create_root_bus(host, ops); > if (!b) > return NULL; > > @@ -2064,11 +2063,12 @@ struct pci_bus *pci_scan_root_bus(struct device *parent, int domain, > { > struct pci_host_bridge *host; > > - host = pci_create_host_bridge(parent, domain, bus, resources); > + host = pci_create_host_bridge(parent, domain, bus, > + sysdata, resources); > if (!host) > return NULL; > > - host->bus = __pci_scan_root_bus(host, ops, sysdata); > + host->bus = __pci_scan_root_bus(host, ops); > if (!host->bus) > pci_free_host_bridge(host); > >
diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c index dffb345..98047c6 100644 --- a/drivers/pci/host-bridge.c +++ b/drivers/pci/host-bridge.c @@ -63,7 +63,7 @@ static bool pci_host_busn_res_overlap( struct pci_host_bridge *pci_create_host_bridge( struct device *parent, int domain, int bus, - struct list_head *resources) + void *sysdata, struct list_head *resources) { int error; struct pci_host_bridge *host, *tmp; @@ -101,6 +101,7 @@ struct pci_host_bridge *pci_create_host_bridge( mutex_unlock(&pci_host_mutex); host->dev.release = pci_release_host_bridge_dev; + dev_set_drvdata(&host->dev, sysdata); dev_set_name(&host->dev, "pci%04x:%02x", host->domain, bus); diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 886d72f..aa8dff6 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -335,7 +335,7 @@ static inline void pci_host_assign_domain_nr(struct pci_host_bridge *host) #endif struct pci_host_bridge *pci_create_host_bridge(struct device *parent, - int domain, int bus, struct list_head *resources); + int domain, int bus, void *sysdata, struct list_head *resources); void pci_free_host_bridge(struct pci_host_bridge *host); static inline int pci_host_first_busnr(struct pci_host_bridge *host) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 8517d1b..0ac2bf6 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1865,8 +1865,7 @@ void __weak pcibios_remove_bus(struct pci_bus *bus) } static struct pci_bus *__pci_create_root_bus( - struct pci_host_bridge *bridge, struct pci_ops *ops, - void *sysdata) + struct pci_host_bridge *bridge, struct pci_ops *ops) { int error; struct pci_bus *b; @@ -1882,7 +1881,7 @@ static struct pci_bus *__pci_create_root_bus( if (!b) return NULL; - b->sysdata = sysdata; + b->sysdata = dev_get_drvdata(&bridge->dev); b->ops = ops; b->number = b->busn_res.start = pci_host_first_busnr(bridge); @@ -1956,11 +1955,12 @@ struct pci_bus *pci_create_root_bus(struct device *parent, { struct pci_host_bridge *host; - host = pci_create_host_bridge(parent, domain, bus, resources); + host = pci_create_host_bridge(parent, domain, bus, + sysdata, resources); if (!host) return NULL; - host->bus = __pci_create_root_bus(host, ops, sysdata); + host->bus = __pci_create_root_bus(host, ops); if (!host->bus) pci_free_host_bridge(host); @@ -2037,13 +2037,12 @@ void pci_bus_release_busn_res(struct pci_bus *b) } static struct pci_bus *__pci_scan_root_bus( - struct pci_host_bridge *host, struct pci_ops *ops, - void *sysdata) + struct pci_host_bridge *host, struct pci_ops *ops) { struct pci_bus *b; int max; - b = __pci_create_root_bus(host, ops, sysdata); + b = __pci_create_root_bus(host, ops); if (!b) return NULL; @@ -2064,11 +2063,12 @@ struct pci_bus *pci_scan_root_bus(struct device *parent, int domain, { struct pci_host_bridge *host; - host = pci_create_host_bridge(parent, domain, bus, resources); + host = pci_create_host_bridge(parent, domain, bus, + sysdata, resources); if (!host) return NULL; - host->bus = __pci_scan_root_bus(host, ops, sysdata); + host->bus = __pci_scan_root_bus(host, ops); if (!host->bus) pci_free_host_bridge(host);
Save platform specific sysdata in pci_host_bridge drvdata, host bridge specific operation need to access it before the pci bus creation. Signed-off-by: Yijing Wang <wangyijing@huawei.com> --- drivers/pci/host-bridge.c | 3 ++- drivers/pci/pci.h | 2 +- drivers/pci/probe.c | 20 ++++++++++---------- 3 files changed, 13 insertions(+), 12 deletions(-)