env: Rename getenv/_f() to env_get()
We are now using an env_ prefix for environment functions. Rename these two functions for consistency. Also add function comments in common.h. Quite a few places use getenv() in a condition context, provoking a warning from checkpatch. These are fixed up in this patch also. Suggested-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Simon Glass <sjg@chromium.org>
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@@ -132,7 +132,7 @@ struct rigid_disk_block *get_rdisk(struct blk_desc *dev_desc)
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int limit;
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char *s;
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s = getenv("amiga_scanlimit");
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s = env_get("amiga_scanlimit");
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if (s)
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limit = simple_strtoul(s, NULL, 10);
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else
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@@ -172,7 +172,7 @@ struct bootcode_block *get_bootcode(struct blk_desc *dev_desc)
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int limit;
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char *s;
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s = getenv("amiga_scanlimit");
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s = env_get("amiga_scanlimit");
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if (s)
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limit = simple_strtoul(s, NULL, 10);
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else
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