From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1ctpC6-0005H2-1a for barebox@lists.infradead.org; Fri, 31 Mar 2017 05:34:05 +0000 From: Sascha Hauer Date: Fri, 31 Mar 2017 07:33:12 +0200 Message-Id: <20170331053323.17821-4-s.hauer@pengutronix.de> In-Reply-To: <20170331053323.17821-1-s.hauer@pengutronix.de> References: <20170331053323.17821-1-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 03/14] of: partition: Move of_mtd_fixup to drivers/of/ To: Barebox List Move the fixup code where the parser code is already. Since the code will not only be used for mtd in the future drivers/of/ is a better place than drivers/mtd/. Signed-off-by: Sascha Hauer --- drivers/mtd/core.c | 65 +++-------------------------------------------- drivers/of/partition.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++ include/of.h | 6 +++++ 3 files changed, 78 insertions(+), 62 deletions(-) diff --git a/drivers/mtd/core.c b/drivers/mtd/core.c index 4e7bfdb3da..1eb8dd36d8 100644 --- a/drivers/mtd/core.c +++ b/drivers/mtd/core.c @@ -556,67 +556,6 @@ static int mtd_part_compare(struct list_head *a, struct list_head *b) return 0; } -static int of_mtd_fixup(struct device_node *root, void *ctx) -{ - struct mtd_info *mtd = ctx, *partmtd; - struct device_node *np, *part, *tmp; - int ret; - - np = of_find_node_by_path_from(root, mtd->of_path); - if (!np) { - dev_err(&mtd->class_dev, "Cannot find nodepath %s, cannot fixup\n", - mtd->of_path); - return -EINVAL; - } - - for_each_child_of_node_safe(np, tmp, part) { - if (of_get_property(part, "compatible", NULL)) - continue; - of_delete_node(part); - } - - list_for_each_entry(partmtd, &mtd->partitions, partitions_entry) { - int na, ns, len = 0; - char *name = basprintf("partition@%0llx", - partmtd->master_offset); - void *p; - u8 tmp[16 * 16]; /* Up to 64-bit address + 64-bit size */ - - if (!name) - return -ENOMEM; - - part = of_new_node(np, name); - free(name); - if (!part) - return -ENOMEM; - - p = of_new_property(part, "label", partmtd->cdev.partname, - strlen(partmtd->cdev.partname) + 1); - if (!p) - return -ENOMEM; - - na = of_n_addr_cells(part); - ns = of_n_size_cells(part); - - of_write_number(tmp + len, partmtd->master_offset, na); - len += na * 4; - of_write_number(tmp + len, partmtd->size, ns); - len += ns * 4; - - ret = of_set_property(part, "reg", tmp, len, 1); - if (ret) - return ret; - - if (partmtd->cdev.flags & DEVFS_PARTITION_READONLY) { - ret = of_set_property(part, "read-only", NULL, 0, 1); - if (ret) - return ret; - } - } - - return 0; -} - static int mtd_detect(struct device_d *dev) { struct mtd_info *mtd = container_of(dev, struct mtd_info, class_dev); @@ -732,7 +671,9 @@ int add_mtd_device(struct mtd_info *mtd, const char *devname, int device_id) of_parse_partitions(&mtd->cdev, mtd->parent->device_node); if (IS_ENABLED(CONFIG_OFDEVICE) && mtd->parent->device_node) { mtd->of_path = xstrdup(mtd->parent->device_node->full_name); - of_register_fixup(of_mtd_fixup, mtd); + ret = of_partitions_register_fixup(&mtd->cdev); + if (ret) + goto err1; } } diff --git a/drivers/of/partition.c b/drivers/of/partition.c index 8c2aef2326..68f3812ed6 100644 --- a/drivers/of/partition.c +++ b/drivers/of/partition.c @@ -92,3 +92,72 @@ int of_parse_partitions(struct cdev *cdev, struct device_node *node) return 0; } + +static int of_mtd_fixup(struct device_node *root, void *ctx) +{ + struct cdev *cdev = ctx; + struct mtd_info *mtd, *partmtd; + struct device_node *np, *part, *tmp; + int ret; + + mtd = container_of(cdev, struct mtd_info, cdev); + + np = of_find_node_by_path_from(root, mtd->of_path); + if (!np) { + dev_err(&mtd->class_dev, "Cannot find nodepath %s, cannot fixup\n", + mtd->of_path); + return -EINVAL; + } + + for_each_child_of_node_safe(np, tmp, part) { + if (of_get_property(part, "compatible", NULL)) + continue; + of_delete_node(part); + } + + list_for_each_entry(partmtd, &mtd->partitions, partitions_entry) { + int na, ns, len = 0; + char *name = basprintf("partition@%0llx", + partmtd->master_offset); + void *p; + u8 tmp[16 * 16]; /* Up to 64-bit address + 64-bit size */ + + if (!name) + return -ENOMEM; + + part = of_new_node(np, name); + free(name); + if (!part) + return -ENOMEM; + + p = of_new_property(part, "label", partmtd->cdev.partname, + strlen(partmtd->cdev.partname) + 1); + if (!p) + return -ENOMEM; + + na = of_n_addr_cells(part); + ns = of_n_size_cells(part); + + of_write_number(tmp + len, partmtd->master_offset, na); + len += na * 4; + of_write_number(tmp + len, partmtd->size, ns); + len += ns * 4; + + ret = of_set_property(part, "reg", tmp, len, 1); + if (ret) + return ret; + + if (partmtd->cdev.flags & DEVFS_PARTITION_READONLY) { + ret = of_set_property(part, "read-only", NULL, 0, 1); + if (ret) + return ret; + } + } + + return 0; +} + +int of_partitions_register_fixup(struct cdev *cdev) +{ + return of_register_fixup(of_mtd_fixup, cdev); +} \ No newline at end of file diff --git a/include/of.h b/include/of.h index 6bff13388d..87d96055a2 100644 --- a/include/of.h +++ b/include/of.h @@ -240,6 +240,7 @@ extern struct device_d *of_device_enable_and_register_by_name(const char *name); struct cdev *of_parse_partition(struct cdev *cdev, struct device_node *node); int of_parse_partitions(struct cdev *cdev, struct device_node *node); +int of_partitions_register_fixup(struct cdev *cdev); int of_device_is_stdout_path(struct device_d *dev); const char *of_get_model(void); void *of_flatten_dtb(struct device_node *node); @@ -264,6 +265,11 @@ static inline int of_parse_partitions(struct cdev *cdev, return -EINVAL; } +static inline int of_partitions_register_fixup(struct cdev *cdev) +{ + return -ENOSYS; +} + static inline int of_device_is_stdout_path(struct device_d *dev) { return 0; -- 2.11.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox