[POWERPC] ibmebus: Move to of_device and of_platform_driver, match eHCA and eHEA...

Replace struct ibmebus_dev and struct ibmebus_driver with struct of_device
and struct of_platform_driver, respectively.  Match the external ibmebus
interface and drivers using it.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Roland Dreier <rolandd@cisco.com>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index d21658140b6ecaa1097dea463918364161c66786..289d7e93591857bdbe3230a95fb08568b57df491 100644 (file)
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -193,21 +193,26 @@ static int ibmebus_create_devices(const struct of_device_id *matches)
        return ret;
 }
 
-int ibmebus_register_driver(struct ibmebus_driver *drv)
+int ibmebus_register_driver(struct of_platform_driver *drv)
 {
-       return 0;
+       /* If the driver uses devices that ibmebus doesn't know, add them */
+       ibmebus_create_devices(drv->match_table);
+
+       drv->driver.name   = drv->name;
+       drv->driver.bus    = &ibmebus_bus_type;
+
+       return driver_register(&drv->driver);
 }
 EXPORT_SYMBOL(ibmebus_register_driver);
 
-void ibmebus_unregister_driver(struct ibmebus_driver *drv)
+void ibmebus_unregister_driver(struct of_platform_driver *drv)
 {
+       driver_unregister(&drv->driver);
 }
 EXPORT_SYMBOL(ibmebus_unregister_driver);
 
-int ibmebus_request_irq(struct ibmebus_dev *dev,
-                       u32 ist,
-                       irq_handler_t handler,
-                       unsigned long irq_flags, const char * devname,
+int ibmebus_request_irq(u32 ist, irq_handler_t handler,
+                       unsigned long irq_flags, const char *devname,
                        void *dev_id)
 {
        unsigned int irq = irq_create_mapping(NULL, ist);
@@ -215,12 +220,11 @@ int ibmebus_request_irq(struct ibmebus_dev *dev,
        if (irq == NO_IRQ)
                return -EINVAL;
 
-       return request_irq(irq, handler,
-                          irq_flags, devname, dev_id);
+       return request_irq(irq, handler, irq_flags, devname, dev_id);
 }
 EXPORT_SYMBOL(ibmebus_request_irq);
 
-void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id)
+void ibmebus_free_irq(u32 ist, void *dev_id)
 {
        unsigned int irq = irq_find_mapping(NULL, ist);
 
@@ -231,9 +235,7 @@ EXPORT_SYMBOL(ibmebus_free_irq);
 static ssize_t name_show(struct device *dev,
                         struct device_attribute *attr, char *buf)
 {
-       struct ibmebus_dev *ebus_dev = to_ibmebus_dev(dev);
-       const char *name = of_get_property(ebus_dev->ofdev.node, "name", NULL);
-       return sprintf(buf, "%s\n", name);
+       return sprintf(buf, "%s\n", to_of_device(dev)->node->name);
 }
 
 static struct device_attribute ibmebus_dev_attrs[] = {

diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 0f7a55d35ea7e1f6e4dfd385c12108d5638fe576..3f2d68cff764a945311bcc8cdb89e3cf3658a7d4 100644 (file)
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -107,7 +107,7 @@ struct ehca_sport {
 
 struct ehca_shca {
        struct ib_device ib_device;
-       struct ibmebus_dev *ibmebus_dev;
+       struct of_device *ofdev;
        u8 num_ports;
        int hw_level;
        struct list_head shca_list;

diff --git a/drivers/infiniband/hw/ehca/ehca_eq.c b/drivers/infiniband/hw/ehca/ehca_eq.c
index 1d41faa7a337375d44e07dc0b872b2c366a40058..b4ac617a70e65e3f8200bd6381156eff2408b73b 100644 (file)
--- a/drivers/infiniband/hw/ehca/ehca_eq.c
+++ b/drivers/infiniband/hw/ehca/ehca_eq.c
@@ -123,7 +123,7 @@ int ehca_create_eq(struct ehca_shca *shca,
 
        /* register interrupt handlers and initialize work queues */
        if (type == EHCA_EQ) {
-               ret = ibmebus_request_irq(NULL, eq->ist, ehca_interrupt_eq,
+               ret = ibmebus_request_irq(eq->ist, ehca_interrupt_eq,
                                          IRQF_DISABLED, "ehca_eq",
                                          (void *)shca);
                if (ret < 0)
@@ -131,7 +131,7 @@ int ehca_create_eq(struct ehca_shca *shca,
 
                tasklet_init(&eq->interrupt_task, ehca_tasklet_eq, (long)shca);
        } else if (type == EHCA_NEQ) {
-               ret = ibmebus_request_irq(NULL, eq->ist, ehca_interrupt_neq,
+               ret = ibmebus_request_irq(eq->ist, ehca_interrupt_neq,
                                          IRQF_DISABLED, "ehca_neq",
                                          (void *)shca);
                if (ret < 0)
@@ -171,7 +171,7 @@ int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq)
        u64 h_ret;
 
        spin_lock_irqsave(&eq->spinlock, flags);
-       ibmebus_free_irq(NULL, eq->ist, (void *)shca);
+       ibmebus_free_irq(eq->ist, (void *)shca);
 
        h_ret = hipz_h_destroy_eq(shca->ipz_hca_handle, eq);
 

diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 403467f66fe6975d13d2eba62745d7c03a98241d..a3409fdb307c88d3de45e37c633bd66a3910c797 100644 (file)
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -404,7 +404,7 @@ int ehca_init_device(struct ehca_shca *shca)
        shca->ib_device.node_type           = RDMA_NODE_IB_CA;
        shca->ib_device.phys_port_cnt       = shca->num_ports;
        shca->ib_device.num_comp_vectors    = 1;
-       shca->ib_device.dma_device          = &shca->ibmebus_dev->ofdev.dev;
+       shca->ib_device.dma_device          = &shca->ofdev->dev;
        shca->ib_device.query_device        = ehca_query_device;
        shca->ib_device.query_port          = ehca_query_port;
        shca->ib_device.query_gid           = ehca_query_gid;
@@ -658,7 +658,7 @@ static struct attribute_group ehca_dev_attr_grp = {
        .attrs = ehca_dev_attrs
 };
 
-static int __devinit ehca_probe(struct ibmebus_dev *dev,
+static int __devinit ehca_probe(struct of_device *dev,
                                const struct of_device_id *id)
 {
        struct ehca_shca *shca;
@@ -666,16 +666,16 @@ static int __devinit ehca_probe(struct ibmebus_dev *dev,
        struct ib_pd *ibpd;
        int ret;
 
-       handle = of_get_property(dev->ofdev.node, "ibm,hca-handle", NULL);
+       handle = of_get_property(dev->node, "ibm,hca-handle", NULL);
        if (!handle) {
                ehca_gen_err("Cannot get eHCA handle for adapter: %s.",
-                            dev->ofdev.node->full_name);
+                            dev->node->full_name);
                return -ENODEV;
        }
 
        if (!(*handle)) {
                ehca_gen_err("Wrong eHCA handle for adapter: %s.",
-                            dev->ofdev.node->full_name);
+                            dev->node->full_name);
                return -ENODEV;
        }
 
@@ -686,9 +686,9 @@ static int __devinit ehca_probe(struct ibmebus_dev *dev,
        }
        mutex_init(&shca->modify_mutex);
 
-       shca->ibmebus_dev = dev;
+       shca->ofdev = dev;
        shca->ipz_hca_handle.handle = *handle;
-       dev->ofdev.dev.driver_data = shca;
+       dev->dev.driver_data = shca;
 
        ret = ehca_sense_attributes(shca);
        if (ret < 0) {
@@ -764,7 +764,7 @@ static int __devinit ehca_probe(struct ibmebus_dev *dev,
                }
        }
 
-       ret = sysfs_create_group(&dev->ofdev.dev.kobj, &ehca_dev_attr_grp);
+       ret = sysfs_create_group(&dev->dev.kobj, &ehca_dev_attr_grp);
        if (ret) /* only complain; we can live without attributes */
                ehca_err(&shca->ib_device,
                         "Cannot create device attributes  ret=%d", ret);
@@ -814,12 +814,12 @@ probe1:
        return -EINVAL;
 }
 
-static int __devexit ehca_remove(struct ibmebus_dev *dev)
+static int __devexit ehca_remove(struct of_device *dev)
 {
-       struct ehca_shca *shca = dev->ofdev.dev.driver_data;
+       struct ehca_shca *shca = dev->dev.driver_data;
        int ret;
 
-       sysfs_remove_group(&dev->ofdev.dev.kobj, &ehca_dev_attr_grp);
+       sysfs_remove_group(&dev->dev.kobj, &ehca_dev_attr_grp);
 
        if (ehca_open_aqp1 == 1) {
                int i;
@@ -870,11 +870,11 @@ static struct of_device_id ehca_device_table[] =
        {},
 };
 
-static struct ibmebus_driver ehca_driver = {
-       .name     = "ehca",
-       .id_table = ehca_device_table,
-       .probe    = ehca_probe,
-       .remove   = ehca_remove,
+static struct of_platform_driver ehca_driver = {
+       .name        = "ehca",
+       .match_table = ehca_device_table,
+       .probe       = ehca_probe,
+       .remove      = ehca_remove,
 };
 
 void ehca_poll_eqs(unsigned long data)

diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
index ac21526b6de8688836c60f42b0b648c7ae4cd865..b557bb44a36f88f54471acd78578399728a97ee3 100644 (file)
--- a/drivers/net/ehea/ehea.h
+++ b/drivers/net/ehea/ehea.h
@@ -388,7 +388,7 @@ struct ehea_port_res {
 #define EHEA_MAX_PORTS 16
 struct ehea_adapter {
        u64 handle;
-       struct ibmebus_dev *ebus_dev;
+       struct of_device *ofdev;
        struct ehea_port *port[EHEA_MAX_PORTS];
        struct ehea_eq *neq;       /* notification event queue */
        struct tasklet_struct neq_tasklet;

diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 2ba57e6ace4dfe2af3d8d3bb135e075f94ce89a9..fe5ffac7ac5746acc2798759c44f2cbb62bdaf81 100644 (file)
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -98,10 +98,10 @@ struct work_struct ehea_rereg_mr_task;
 
 struct semaphore dlpar_mem_lock;
 
-static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev,
+static int __devinit ehea_probe_adapter(struct of_device *dev,
                                        const struct of_device_id *id);
 
-static int __devexit ehea_remove(struct ibmebus_dev *dev);
+static int __devexit ehea_remove(struct of_device *dev);
 
 static struct of_device_id ehea_device_table[] = {
        {
@@ -111,9 +111,9 @@ static struct of_device_id ehea_device_table[] = {
        {},
 };
 
-static struct ibmebus_driver ehea_driver = {
+static struct of_platform_driver ehea_driver = {
        .name = "ehea",
-       .id_table = ehea_device_table,
+       .match_table = ehea_device_table,
        .probe = ehea_probe_adapter,
        .remove = ehea_remove,
 };
@@ -1044,7 +1044,7 @@ static int ehea_reg_interrupts(struct net_device *dev)
        snprintf(port->int_aff_name, EHEA_IRQ_NAME_SIZE - 1, "%s-aff",
                 dev->name);
 
-       ret = ibmebus_request_irq(NULL, port->qp_eq->attr.ist1,
+       ret = ibmebus_request_irq(port->qp_eq->attr.ist1,
                                  ehea_qp_aff_irq_handler,
                                  IRQF_DISABLED, port->int_aff_name, port);
        if (ret) {
@@ -1062,7 +1062,7 @@ static int ehea_reg_interrupts(struct net_device *dev)
                pr = &port->port_res[i];
                snprintf(pr->int_send_name, EHEA_IRQ_NAME_SIZE - 1,
                         "%s-queue%d", dev->name, i);
-               ret = ibmebus_request_irq(NULL, pr->eq->attr.ist1,
+               ret = ibmebus_request_irq(pr->eq->attr.ist1,
                                          ehea_recv_irq_handler,
                                          IRQF_DISABLED, pr->int_send_name,
                                          pr);
@@ -1083,11 +1083,11 @@ out:
 out_free_req:
        while (--i >= 0) {
                u32 ist = port->port_res[i].eq->attr.ist1;
-               ibmebus_free_irq(NULL, ist, &port->port_res[i]);
+               ibmebus_free_irq(ist, &port->port_res[i]);
        }
 
 out_free_qpeq:
-       ibmebus_free_irq(NULL, port->qp_eq->attr.ist1, port);
+       ibmebus_free_irq(port->qp_eq->attr.ist1, port);
        i = port->num_def_qps;
 
        goto out;
@@ -1104,14 +1104,14 @@ static void ehea_free_interrupts(struct net_device *dev)
 
        for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) {
                pr = &port->port_res[i];
-               ibmebus_free_irq(NULL, pr->eq->attr.ist1, pr);
+               ibmebus_free_irq(pr->eq->attr.ist1, pr);
                if (netif_msg_intr(port))
                        ehea_info("free send irq for res %d with handle 0x%X",
                                  i, pr->eq->attr.ist1);
        }
 
        /* associated events */
-       ibmebus_free_irq(NULL, port->qp_eq->attr.ist1, port);
+       ibmebus_free_irq(port->qp_eq->attr.ist1, port);
        if (netif_msg_intr(port))
                ehea_info("associated event interrupt for handle 0x%X freed",
                          port->qp_eq->attr.ist1);
@@ -2832,7 +2832,7 @@ static struct device *ehea_register_port(struct ehea_port *port,
        int ret;
 
        port->ofdev.node = of_node_get(dn);
-       port->ofdev.dev.parent = &port->adapter->ebus_dev->ofdev.dev;
+       port->ofdev.dev.parent = &port->adapter->ofdev->dev;
        port->ofdev.dev.bus = &ibmebus_bus_type;
 
        sprintf(port->ofdev.dev.bus_id, "port%d", port_name_cnt++);
@@ -3011,7 +3011,7 @@ static int ehea_setup_ports(struct ehea_adapter *adapter)
        const u32 *dn_log_port_id;
        int i = 0;
 
-       lhea_dn = adapter->ebus_dev->ofdev.node;
+       lhea_dn = adapter->ofdev->node;
        while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) {
 
                dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no",
@@ -3051,7 +3051,7 @@ static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter,
        struct device_node *eth_dn = NULL;
        const u32 *dn_log_port_id;
 
-       lhea_dn = adapter->ebus_dev->ofdev.node;
+       lhea_dn = adapter->ofdev->node;
        while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) {
 
                dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no",
@@ -3157,31 +3157,31 @@ static ssize_t ehea_remove_port(struct device *dev,
 static DEVICE_ATTR(probe_port, S_IWUSR, NULL, ehea_probe_port);
 static DEVICE_ATTR(remove_port, S_IWUSR, NULL, ehea_remove_port);
 
-int ehea_create_device_sysfs(struct ibmebus_dev *dev)
+int ehea_create_device_sysfs(struct of_device *dev)
 {
-       int ret = device_create_file(&dev->ofdev.dev, &dev_attr_probe_port);
+       int ret = device_create_file(&dev->dev, &dev_attr_probe_port);
        if (ret)
                goto out;
 
-       ret = device_create_file(&dev->ofdev.dev, &dev_attr_remove_port);
+       ret = device_create_file(&dev->dev, &dev_attr_remove_port);
 out:
        return ret;
 }
 
-void ehea_remove_device_sysfs(struct ibmebus_dev *dev)
+void ehea_remove_device_sysfs(struct of_device *dev)
 {
-       device_remove_file(&dev->ofdev.dev, &dev_attr_probe_port);
-       device_remove_file(&dev->ofdev.dev, &dev_attr_remove_port);
+       device_remove_file(&dev->dev, &dev_attr_probe_port);
+       device_remove_file(&dev->dev, &dev_attr_remove_port);
 }
 
-static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev,
+static int __devinit ehea_probe_adapter(struct of_device *dev,
                                        const struct of_device_id *id)
 {
        struct ehea_adapter *adapter;
        const u64 *adapter_handle;
        int ret;
 
-       if (!dev || !dev->ofdev.node) {
+       if (!dev || !dev->node) {
                ehea_error("Invalid ibmebus device probed");
                return -EINVAL;
        }
@@ -3189,36 +3189,36 @@ static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev,
        adapter = kzalloc(sizeof(*adapter), GFP_KERNEL);
        if (!adapter) {
                ret = -ENOMEM;
-               dev_err(&dev->ofdev.dev, "no mem for ehea_adapter\n");
+               dev_err(&dev->dev, "no mem for ehea_adapter\n");
                goto out;
        }
 
        list_add(&adapter->list, &adapter_list);
 
-       adapter->ebus_dev = dev;
+       adapter->ofdev = dev;
 
-       adapter_handle = of_get_property(dev->ofdev.node, "ibm,hea-handle",
+       adapter_handle = of_get_property(dev->node, "ibm,hea-handle",
                                         NULL);
        if (adapter_handle)
                adapter->handle = *adapter_handle;
 
        if (!adapter->handle) {
-               dev_err(&dev->ofdev.dev, "failed getting handle for adapter"
-                       " '%s'\n", dev->ofdev.node->full_name);
+               dev_err(&dev->dev, "failed getting handle for adapter"
+                       " '%s'\n", dev->node->full_name);
                ret = -ENODEV;
                goto out_free_ad;
        }
 
        adapter->pd = EHEA_PD_ID;
 
-       dev->ofdev.dev.driver_data = adapter;
+       dev->dev.driver_data = adapter;
 
 
        /* initialize adapter and ports */
        /* get adapter properties */
        ret = ehea_sense_adapter_attr(adapter);
        if (ret) {
-               dev_err(&dev->ofdev.dev, "sense_adapter_attr failed: %d", ret);
+               dev_err(&dev->dev, "sense_adapter_attr failed: %d", ret);
                goto out_free_ad;
        }
 
@@ -3226,18 +3226,18 @@ static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev,
                                      EHEA_NEQ, EHEA_MAX_ENTRIES_EQ, 1);
        if (!adapter->neq) {
                ret = -EIO;
-               dev_err(&dev->ofdev.dev, "NEQ creation failed");
+               dev_err(&dev->dev, "NEQ creation failed");
                goto out_free_ad;
        }
 
        tasklet_init(&adapter->neq_tasklet, ehea_neq_tasklet,
                     (unsigned long)adapter);
 
-       ret = ibmebus_request_irq(NULL, adapter->neq->attr.ist1,
+       ret = ibmebus_request_irq(adapter->neq->attr.ist1,
                                  ehea_interrupt_neq, IRQF_DISABLED,
                                  "ehea_neq", adapter);
        if (ret) {
-               dev_err(&dev->ofdev.dev, "requesting NEQ IRQ failed");
+               dev_err(&dev->dev, "requesting NEQ IRQ failed");
                goto out_kill_eq;
        }
 
@@ -3247,7 +3247,7 @@ static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev,
 
        ret = ehea_setup_ports(adapter);
        if (ret) {
-               dev_err(&dev->ofdev.dev, "setup_ports failed");
+               dev_err(&dev->dev, "setup_ports failed");
                goto out_rem_dev_sysfs;
        }
 
@@ -3258,7 +3258,7 @@ out_rem_dev_sysfs:
        ehea_remove_device_sysfs(dev);
 
 out_free_irq:
-       ibmebus_free_irq(NULL, adapter->neq->attr.ist1, adapter);
+       ibmebus_free_irq(adapter->neq->attr.ist1, adapter);
 
 out_kill_eq:
        ehea_destroy_eq(adapter->neq);
@@ -3269,9 +3269,9 @@ out:
        return ret;
 }
 
-static int __devexit ehea_remove(struct ibmebus_dev *dev)
+static int __devexit ehea_remove(struct of_device *dev)
 {
-       struct ehea_adapter *adapter = dev->ofdev.dev.driver_data;
+       struct ehea_adapter *adapter = dev->dev.driver_data;
        int i;
 
        for (i = 0; i < EHEA_MAX_PORTS; i++)
@@ -3284,7 +3284,7 @@ static int __devexit ehea_remove(struct ibmebus_dev *dev)
 
        flush_scheduled_work();
 
-       ibmebus_free_irq(NULL, adapter->neq->attr.ist1, adapter);
+       ibmebus_free_irq(adapter->neq->attr.ist1, adapter);
        tasklet_kill(&adapter->neq_tasklet);
 
        ehea_destroy_eq(adapter->neq);

diff --git a/include/asm-powerpc/ibmebus.h b/include/asm-powerpc/ibmebus.h
index 87d396e28db2f8c1dc359918e970f33c98a66777..1a9d9aea21fa7e3059e428e341bebd18a0a1c621 100644 (file)
--- a/include/asm-powerpc/ibmebus.h
+++ b/include/asm-powerpc/ibmebus.h
@@ -43,42 +43,18 @@
 #include <linux/device.h>
 #include <linux/interrupt.h>
 #include <linux/mod_devicetable.h>
-#include <asm/of_device.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
 
 extern struct bus_type ibmebus_bus_type;
 
-struct ibmebus_dev {
-       struct of_device ofdev;
-};
+int ibmebus_register_driver(struct of_platform_driver *drv);
+void ibmebus_unregister_driver(struct of_platform_driver *drv);
 
-struct ibmebus_driver {
-       char *name;
-       struct of_device_id *id_table;
-       int (*probe) (struct ibmebus_dev *dev, const struct of_device_id *id);
-       int (*remove) (struct ibmebus_dev *dev);
-       struct device_driver driver;
-};
-
-int ibmebus_register_driver(struct ibmebus_driver *drv);
-void ibmebus_unregister_driver(struct ibmebus_driver *drv);
-
-int ibmebus_request_irq(struct ibmebus_dev *dev,
-                       u32 ist,
-                       irq_handler_t handler,
-                       unsigned long irq_flags, const char * devname,
+int ibmebus_request_irq(u32 ist, irq_handler_t handler,
+                       unsigned long irq_flags, const char *devname,
                        void *dev_id);
-void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id);
-
-static inline struct ibmebus_driver *to_ibmebus_driver(struct device_driver *drv)
-{
-       return container_of(drv, struct ibmebus_driver, driver);
-}
-
-static inline struct ibmebus_dev *to_ibmebus_dev(struct device *dev)
-{
-       return container_of(dev, struct ibmebus_dev, ofdev.dev);
-}
-
+void ibmebus_free_irq(u32 ist, void *dev_id);
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_IBMEBUS_H */