[U-Boot] [PATCH v6 27/31] mtd: move mtdparts_init() declaration
Boris Brezillon
boris.brezillon at bootlin.com
Thu Aug 16 16:05:26 UTC 2018
On Thu, 16 Aug 2018 17:30:25 +0200
Miquel Raynal <miquel.raynal at bootlin.com> wrote:
> mtdparts_init() is called from various source files. It is declared in
> include/jffs2/load_kernel.h while it has nothing to do with jffs2
> anymore.
>
> Move its declaration to include/linux/mtd/partitions.h which has way
> more meaning.
Looks like that's not the only change you're doing in this patch.
>
> Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
> ---
> cmd/flash.c | 1 +
> cmd/jffs2.c | 1 +
> cmd/mtdparts.c | 35 +++++++++++++++++++++++-----------
> cmd/nand.c | 1 +
> common/fdt_support.c | 1 +
> drivers/dfu/dfu_nand.c | 1 +
> drivers/fastboot/fb_nand.c | 1 +
> drivers/mtd/mtd_uboot.c | 1 +
> include/jffs2/load_kernel.h | 1 -
> include/linux/mtd/partitions.h | 3 +++
> 10 files changed, 34 insertions(+), 12 deletions(-)
>
> diff --git a/cmd/flash.c b/cmd/flash.c
> index cd1758d7e2..383c015b87 100644
> --- a/cmd/flash.c
> +++ b/cmd/flash.c
> @@ -12,6 +12,7 @@
>
> #if defined(CONFIG_CMD_MTDPARTS)
> #include <jffs2/jffs2.h>
> +#include <linux/mtd/partitions.h>
>
> /* partition handling routines */
> int mtdparts_init(void);
> diff --git a/cmd/jffs2.c b/cmd/jffs2.c
> index 64621f2546..0ca2d30e2e 100644
> --- a/cmd/jffs2.c
> +++ b/cmd/jffs2.c
> @@ -76,6 +76,7 @@
> #include <jffs2/jffs2.h>
> #include <linux/list.h>
> #include <linux/ctype.h>
> +#include <linux/mtd/partitions.h>
> #include <cramfs/cramfs_fs.h>
>
> #if defined(CONFIG_CMD_NAND)
> diff --git a/cmd/mtdparts.c b/cmd/mtdparts.c
> index 7fd9e5cbdb..33becb86e8 100644
> --- a/cmd/mtdparts.c
> +++ b/cmd/mtdparts.c
> @@ -44,7 +44,7 @@
> *
> * 'mtdparts' - partition list
> *
> - * mtdparts=mtdparts=<mtd-def>[;<mtd-def>...]
> + * mtdparts=[mtdparts=]<mtd-def>[;<mtd-def>...]
> *
> * <mtd-def> := <mtd-id>:<part-def>[,<part-def>...]
> * <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)
> @@ -62,11 +62,11 @@
> *
> * 1 NOR Flash, with 1 single writable partition:
> * mtdids=nor0=edb7312-nor
> - * mtdparts=mtdparts=edb7312-nor:-
> + * mtdparts=[mtdparts=]edb7312-nor:-
> *
> * 1 NOR Flash with 2 partitions, 1 NAND with one
> * mtdids=nor0=edb7312-nor,nand0=edb7312-nand
> - * mtdparts=mtdparts=edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home)
> + * mtdparts=[mtdparts=]edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home)
> *
> */
>
> @@ -1170,9 +1170,6 @@ static int generate_mtdparts(char *buf, u32 buflen)
> return 0;
> }
>
> - strcpy(p, "mtdparts=");
> - p += 9;
> -
> list_for_each(dentry, &devices) {
> dev = list_entry(dentry, struct mtd_device, link);
>
> @@ -1643,11 +1640,9 @@ static int parse_mtdparts(const char *const mtdparts)
> if (!p)
> p = mtdparts;
>
> - if (strncmp(p, "mtdparts=", 9) != 0) {
> - printf("mtdparts variable doesn't start with 'mtdparts='\n");
> - return err;
> - }
> - p += 9;
> + /* Skip the useless prefix, if any */
> + if (strncmp(p, "mtdparts=", 9) == 0)
> + p += 9;
>
> while (*p != '\0') {
> err = 1;
> @@ -1786,6 +1781,24 @@ static int parse_mtdids(const char *const ids)
> return 0;
> }
>
> +int mtdids_search_alternate_name(const char *mtdname, char *altname,
> + unsigned int max_len)
> +{
> + struct list_head *entry;
> + struct mtdids *id;
> +
> + list_for_each(entry, &mtdids) {
> + id = list_entry(entry, struct mtdids, link);
> + if (!strncmp(mtdname, id->mtd_id, max_len)) {
> + snprintf(altname, max_len, "%s%d",
> + MTD_DEV_TYPE(id->type), id->num);
> +
> + return 0;
> + }
> + }
> +
> + return -EINVAL;
> +}
>
> /**
> * Parse and initialize global mtdids mapping and create global
> diff --git a/cmd/nand.c b/cmd/nand.c
> index a22945d144..507966c513 100644
> --- a/cmd/nand.c
> +++ b/cmd/nand.c
> @@ -21,6 +21,7 @@
>
> #include <common.h>
> #include <linux/mtd/mtd.h>
> +#include <linux/mtd/partitions.h>
> #include <command.h>
> #include <console.h>
> #include <watchdog.h>
> diff --git a/common/fdt_support.c b/common/fdt_support.c
> index 34d2bd59c4..3906b7446d 100644
> --- a/common/fdt_support.c
> +++ b/common/fdt_support.c
> @@ -11,6 +11,7 @@
> #include <stdio_dev.h>
> #include <linux/ctype.h>
> #include <linux/types.h>
> +#include <linux/mtd/partitions.h>
> #include <asm/global_data.h>
> #include <linux/libfdt.h>
> #include <fdt_support.h>
> diff --git a/drivers/dfu/dfu_nand.c b/drivers/dfu/dfu_nand.c
> index 0bfdbf9428..a3164491eb 100644
> --- a/drivers/dfu/dfu_nand.c
> +++ b/drivers/dfu/dfu_nand.c
> @@ -15,6 +15,7 @@
> #include <div64.h>
> #include <dfu.h>
> #include <linux/mtd/mtd.h>
> +#include <linux/mtd/partitions.h>
> #include <jffs2/load_kernel.h>
> #include <nand.h>
>
> diff --git a/drivers/fastboot/fb_nand.c b/drivers/fastboot/fb_nand.c
> index 526bc12307..776f628712 100644
> --- a/drivers/fastboot/fb_nand.c
> +++ b/drivers/fastboot/fb_nand.c
> @@ -11,6 +11,7 @@
> #include <image-sparse.h>
>
> #include <linux/mtd/mtd.h>
> +#include <linux/mtd/partitions.h>
> #include <jffs2/jffs2.h>
> #include <nand.h>
>
> diff --git a/drivers/mtd/mtd_uboot.c b/drivers/mtd/mtd_uboot.c
> index 2b3b2eecca..55cdde284c 100644
> --- a/drivers/mtd/mtd_uboot.c
> +++ b/drivers/mtd/mtd_uboot.c
> @@ -5,6 +5,7 @@
> */
> #include <common.h>
> #include <linux/mtd/mtd.h>
> +#include <linux/mtd/partitions.h>
> #include <jffs2/jffs2.h>
>
> static int get_part(const char *partname, int *idx, loff_t *off, loff_t *size,
> diff --git a/include/jffs2/load_kernel.h b/include/jffs2/load_kernel.h
> index 9346d7ee9f..3ef56ab0c5 100644
> --- a/include/jffs2/load_kernel.h
> +++ b/include/jffs2/load_kernel.h
> @@ -62,7 +62,6 @@ struct mtdids {
> #define led_blink(x, y, z, a)
>
> /* common/cmd_jffs2.c */
> -extern int mtdparts_init(void);
> extern int find_dev_and_part(const char *id, struct mtd_device **dev,
> u8 *part_num, struct part_info **part);
> extern struct mtd_device *device_find(u8 type, u8 num);
> diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
> index 0cf26ca945..0d6e0cfa59 100644
> --- a/include/linux/mtd/partitions.h
> +++ b/include/linux/mtd/partitions.h
> @@ -87,6 +87,9 @@ int mtd_add_partition(struct mtd_info *master, const char *name,
> int mtd_del_partition(struct mtd_info *master, int partno);
> uint64_t mtd_get_device_size(const struct mtd_info *mtd);
>
> +int mtdparts_init(void);
> +int mtdids_search_alternate_name(const char *mtdname, char *altname,
> + unsigned int max_len);
> int mtdparts_parse_part(struct mtd_info *parent, const char **_mtdparts,
> struct mtd_partition **_parts, int *_nb_parts);
>
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