change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/arch/arm/kernel/signal.h
..
..
@@ -9,3 +9,5 @@
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 	struct siginfo info;
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 	struct sigframe sig;
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 };
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+
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+extern struct page *get_signal_page(void);