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| author | Conglin Guo <conglin.guo@amlogic.com> | 2018-07-16 13:17:56 +0800 |
|---|---|---|
| committer | Zhi Zhou <zhi.zhou@amlogic.com> | 2018-07-17 02:32:45 -0700 |
| commit | c2a9128868d77339bdb9564e956f4996be455960 (patch) | |
| tree | 38541400c2198f55ba1b929dd9c556f16d23c2d2 | |
| parent | ddece48fc4adb705e2134a3f6263fec5ca85a1ca (diff) | |
| download | media_modules-c2a9128868d77339bdb9564e956f4996be455960.tar.gz | |
media_module: interface optimization for get cpu id
PD#168480:media_module:
1: interface optimization for get cpu id
Change-Id: Ic5211341becf381347f89bc2a1d41c0482a847e8
Signed-off-by: Conglin Guo <conglin.guo@amlogic.com>
| -rw-r--r-- | drivers/common/chips/decoder_cpu_ver_info.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/common/chips/decoder_cpu_ver_info.c b/drivers/common/chips/decoder_cpu_ver_info.c index cae6c7b..6bdba0c 100644 --- a/drivers/common/chips/decoder_cpu_ver_info.c +++ b/drivers/common/chips/decoder_cpu_ver_info.c @@ -10,9 +10,10 @@ #define DECODE_CPU_VER_ID_NODE_NAME "cpu_ver_name" #define AM_SUCESS 0 - #define MAJOR_ID_START AM_MESON_CPU_MAJOR_ID_M6 +static enum AM_MESON_CPU_MAJOR_ID cpu_ver_id = AM_MESON_CPU_MAJOR_ID_MAX; + static enum AM_MESON_CPU_MAJOR_ID cpu_ver_info[AM_MESON_CPU_MAJOR_ID_MAX - MAJOR_ID_START]= { AM_MESON_CPU_MAJOR_ID_M6, @@ -70,16 +71,17 @@ static const struct of_device_id cpu_ver_of_match[] = { {}, }; -bool get_cpu_id_from_dtb(enum AM_MESON_CPU_MAJOR_ID *pidType) +static bool get_cpu_id_from_dtb(enum AM_MESON_CPU_MAJOR_ID *pidType) { struct device_node *pNode = NULL; struct platform_device* pDev = NULL; const struct of_device_id *pMatch = NULL; pNode = of_find_node_by_name(NULL, DECODE_CPU_VER_ID_NODE_NAME); + if (NULL == pNode) { - pr_info("No find node.\n"); + pr_err("No find node.\n"); return -EINVAL; } @@ -93,7 +95,7 @@ bool get_cpu_id_from_dtb(enum AM_MESON_CPU_MAJOR_ID *pidType) if (NULL == pMatch) { - pr_info("No find of_match_device\n"); + pr_err("No find of_match_device\n"); return -EINVAL; } @@ -102,16 +104,27 @@ bool get_cpu_id_from_dtb(enum AM_MESON_CPU_MAJOR_ID *pidType) return AM_SUCESS; } -enum AM_MESON_CPU_MAJOR_ID get_cpu_major_id(void) +static void initial_cpu_id(void) { enum AM_MESON_CPU_MAJOR_ID id_type = AM_MESON_CPU_MAJOR_ID_MAX; if (AM_SUCESS == get_cpu_id_from_dtb(&id_type)) { - return id_type; + cpu_ver_id = id_type; + }else + { + cpu_ver_id = (enum AM_MESON_CPU_MAJOR_ID)get_cpu_type(); + } +} + +enum AM_MESON_CPU_MAJOR_ID get_cpu_major_id(void) +{ + if (AM_MESON_CPU_MAJOR_ID_MAX == cpu_ver_id) + { + initial_cpu_id(); } - return (enum AM_MESON_CPU_MAJOR_ID)get_cpu_type(); + return cpu_ver_id; } EXPORT_SYMBOL(get_cpu_major_id); |