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@@ -3,35 +3,35 @@
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*
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* Copyright (c) 2005 IBM Corporation
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* Heiko J Schick <schickhj@de.ibm.com>
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- *
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+ *
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* All rights reserved.
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*
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- * This source code is distributed under a dual license of GPL v2.0 and OpenIB
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- * BSD.
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+ * This source code is distributed under a dual license of GPL v2.0 and OpenIB
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+ * BSD.
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*
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* OpenIB BSD License
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*
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- * Redistribution and use in source and binary forms, with or without
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- * modification, are permitted provided that the following conditions are met:
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions are met:
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*
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- * Redistributions of source code must retain the above copyright notice, this
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- * list of conditions and the following disclaimer.
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+ * Redistributions of source code must retain the above copyright notice, this
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+ * list of conditions and the following disclaimer.
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*
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- * Redistributions in binary form must reproduce the above copyright notice,
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- * this list of conditions and the following disclaimer in the documentation
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+ * Redistributions in binary form must reproduce the above copyright notice,
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+ * this list of conditions and the following disclaimer in the documentation
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* and/or other materials
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- * provided with the distribution.
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+ * provided with the distribution.
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*
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- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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- * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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@@ -55,7 +55,7 @@ static void *ibmebus_alloc_coherent(struct device *dev,
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gfp_t flag)
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{
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void *mem;
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-
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+
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mem = kmalloc(size, flag);
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*dma_handle = (dma_addr_t)mem;
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@@ -63,7 +63,7 @@ static void *ibmebus_alloc_coherent(struct device *dev,
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}
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static void ibmebus_free_coherent(struct device *dev,
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- size_t size, void *vaddr,
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+ size_t size, void *vaddr,
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dma_addr_t dma_handle)
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{
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kfree(vaddr);
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@@ -79,7 +79,7 @@ static dma_addr_t ibmebus_map_single(struct device *dev,
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static void ibmebus_unmap_single(struct device *dev,
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dma_addr_t dma_addr,
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- size_t size,
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+ size_t size,
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enum dma_data_direction direction)
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{
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return;
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@@ -90,13 +90,13 @@ static int ibmebus_map_sg(struct device *dev,
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int nents, enum dma_data_direction direction)
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{
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int i;
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-
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+
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for (i = 0; i < nents; i++) {
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- sg[i].dma_address = (dma_addr_t)page_address(sg[i].page)
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+ sg[i].dma_address = (dma_addr_t)page_address(sg[i].page)
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+ sg[i].offset;
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sg[i].dma_length = sg[i].length;
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}
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-
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+
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return nents;
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}
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@@ -128,15 +128,15 @@ static int ibmebus_bus_probe(struct device *dev)
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struct ibmebus_driver *ibmebusdrv = to_ibmebus_driver(dev->driver);
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const struct of_device_id *id;
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int error = -ENODEV;
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-
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+
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if (!ibmebusdrv->probe)
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return error;
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-
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+
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id = of_match_device(ibmebusdrv->id_table, &ibmebusdev->ofdev);
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if (id) {
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error = ibmebusdrv->probe(ibmebusdev, id);
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}
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-
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+
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return error;
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}
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@@ -144,11 +144,11 @@ static int ibmebus_bus_remove(struct device *dev)
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{
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struct ibmebus_dev *ibmebusdev = to_ibmebus_dev(dev);
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struct ibmebus_driver *ibmebusdrv = to_ibmebus_driver(dev->driver);
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-
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+
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if (ibmebusdrv->remove) {
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return ibmebusdrv->remove(ibmebusdev);
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}
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-
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+
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return 0;
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}
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@@ -158,12 +158,12 @@ static void __devinit ibmebus_dev_release(struct device *dev)
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kfree(to_ibmebus_dev(dev));
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}
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-static ssize_t ibmebusdev_show_name(struct device *dev,
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+static ssize_t ibmebusdev_show_name(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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return sprintf(buf, "%s\n", to_ibmebus_dev(dev)->name);
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}
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-static DEVICE_ATTR(name, S_IRUSR | S_IRGRP | S_IROTH, ibmebusdev_show_name,
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+static DEVICE_ATTR(name, S_IRUSR | S_IRGRP | S_IROTH, ibmebusdev_show_name,
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NULL);
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static struct ibmebus_dev* __devinit ibmebus_register_device_common(
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@@ -181,16 +181,16 @@ static struct ibmebus_dev* __devinit ibmebus_register_device_common(
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dev->ofdev.dev.archdata.numa_node = of_node_to_nid(dev->ofdev.node);
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/* An ibmebusdev is based on a of_device. We have to change the
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- * bus type to use our own DMA mapping operations.
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- */
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+ * bus type to use our own DMA mapping operations.
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+ */
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if ((err = of_device_register(&dev->ofdev)) != 0) {
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printk(KERN_ERR "%s: failed to register device (%d).\n",
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__FUNCTION__, err);
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return NULL;
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}
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-
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+
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device_create_file(&dev->ofdev.dev, &dev_attr_name);
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-
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+
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return dev;
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}
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@@ -207,7 +207,7 @@ static struct ibmebus_dev* __devinit ibmebus_register_device_node(
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__FUNCTION__, dn->name ? dn->name : "<unknown>");
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return NULL;
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}
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-
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+
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if (strlen(loc_code) == 0) {
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printk(KERN_WARNING "%s: 'ibm,loc-code' is invalid\n",
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__FUNCTION__);
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@@ -220,10 +220,10 @@ static struct ibmebus_dev* __devinit ibmebus_register_device_node(
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}
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dev->ofdev.node = of_node_get(dn);
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-
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+
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length = strlen(loc_code);
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- memcpy(dev->ofdev.dev.bus_id, loc_code
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- + (length - min(length, BUS_ID_SIZE - 1)),
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+ memcpy(dev->ofdev.dev.bus_id, loc_code
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+ + (length - min(length, BUS_ID_SIZE - 1)),
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min(length, BUS_ID_SIZE - 1));
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/* Register with generic device framework. */
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@@ -238,17 +238,17 @@ static struct ibmebus_dev* __devinit ibmebus_register_device_node(
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static void ibmebus_probe_of_nodes(char* name)
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{
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struct device_node *dn = NULL;
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-
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+
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while ((dn = of_find_node_by_name(dn, name))) {
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if (ibmebus_register_device_node(dn) == NULL) {
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of_node_put(dn);
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-
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+
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return;
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}
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}
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-
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+
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of_node_put(dn);
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-
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+
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return;
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}
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@@ -266,7 +266,7 @@ static int ibmebus_match_helper(struct device *dev, void *data)
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{
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if (strcmp((char*)data, to_ibmebus_dev(dev)->name) == 0)
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return 1;
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-
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+
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return 0;
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}
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@@ -281,17 +281,17 @@ static int ibmebus_unregister_device(struct device *dev)
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static void ibmebus_remove_devices_by_id(struct of_device_id *idt)
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{
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struct device *dev;
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-
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+
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while (strlen(idt->name) > 0) {
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- while ((dev = bus_find_device(&ibmebus_bus_type, NULL,
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+ while ((dev = bus_find_device(&ibmebus_bus_type, NULL,
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(void*)idt->name,
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ibmebus_match_helper))) {
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ibmebus_unregister_device(dev);
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}
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idt++;
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-
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+
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}
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-
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+
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return;
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}
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@@ -308,29 +308,29 @@ int ibmebus_register_driver(struct ibmebus_driver *drv)
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return err;
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ibmebus_add_devices_by_id(drv->id_table);
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-
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+
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return 0;
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}
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EXPORT_SYMBOL(ibmebus_register_driver);
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void ibmebus_unregister_driver(struct ibmebus_driver *drv)
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-{
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+{
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driver_unregister(&drv->driver);
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ibmebus_remove_devices_by_id(drv->id_table);
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}
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EXPORT_SYMBOL(ibmebus_unregister_driver);
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int ibmebus_request_irq(struct ibmebus_dev *dev,
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- u32 ist,
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+ u32 ist,
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irq_handler_t handler,
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unsigned long irq_flags, const char * devname,
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void *dev_id)
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{
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unsigned int irq = irq_create_mapping(NULL, ist);
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-
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+
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if (irq == NO_IRQ)
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return -EINVAL;
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-
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+
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return request_irq(irq, handler,
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irq_flags, devname, dev_id);
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}
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@@ -339,25 +339,25 @@ EXPORT_SYMBOL(ibmebus_request_irq);
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void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id)
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{
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unsigned int irq = irq_find_mapping(NULL, ist);
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-
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+
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free_irq(irq, dev_id);
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}
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EXPORT_SYMBOL(ibmebus_free_irq);
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static int ibmebus_bus_match(struct device *dev, struct device_driver *drv)
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-{
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+{
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const struct ibmebus_dev *ebus_dev = to_ibmebus_dev(dev);
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struct ibmebus_driver *ebus_drv = to_ibmebus_driver(drv);
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const struct of_device_id *ids = ebus_drv->id_table;
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const struct of_device_id *found_id;
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-
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+
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if (!ids)
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return 0;
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-
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+
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found_id = of_match_device(ids, &ebus_dev->ofdev);
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if (found_id)
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return 1;
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-
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+
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return 0;
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}
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@@ -370,25 +370,25 @@ EXPORT_SYMBOL(ibmebus_bus_type);
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static int __init ibmebus_bus_init(void)
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{
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int err;
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-
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+
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printk(KERN_INFO "IBM eBus Device Driver\n");
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-
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+
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err = bus_register(&ibmebus_bus_type);
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if (err) {
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printk(KERN_ERR ":%s: failed to register IBM eBus.\n",
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__FUNCTION__);
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return err;
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}
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-
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+
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err = device_register(&ibmebus_bus_device.ofdev.dev);
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if (err) {
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- printk(KERN_WARNING "%s: device_register returned %i\n",
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+ printk(KERN_WARNING "%s: device_register returned %i\n",
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__FUNCTION__, err);
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bus_unregister(&ibmebus_bus_type);
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return err;
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}
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-
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+
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return 0;
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}
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__initcall(ibmebus_bus_init);
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