cmd: disk: Fix unused variable warning
If serial support is not compiled into U-Boot, which may be the case for some SPL builds, the following warning will be generated in disk.c: cmd/disk.c: In function 'common_diskboot': cmd/disk.c:16:6: warning: variable 'dev' set but not used [-Wunused-but-set-variable] int dev, part; ^ The warning is a result of printf() calls being optimized away, and thus the whole dev variable becomes indeed unused. Mark the variable as __maybe_unused . Signed-off-by: Marek Vasut <marex@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
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@ -13,7 +13,8 @@
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int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc,
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int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc,
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char *const argv[])
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char *const argv[])
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{
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{
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int dev, part;
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__maybe_unused int dev;
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int part;
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ulong addr = CONFIG_SYS_LOAD_ADDR;
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ulong addr = CONFIG_SYS_LOAD_ADDR;
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ulong cnt;
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ulong cnt;
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disk_partition_t info;
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disk_partition_t info;
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