firewire: ohci: Remove unused function
Remove the function ar_prev_buffer_index() that is not used anywhere. This was partially found by using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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@ -718,11 +718,6 @@ static inline unsigned int ar_next_buffer_index(unsigned int index)
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return (index + 1) % AR_BUFFERS;
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}
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static inline unsigned int ar_prev_buffer_index(unsigned int index)
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{
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return (index - 1 + AR_BUFFERS) % AR_BUFFERS;
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}
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static inline unsigned int ar_first_buffer_index(struct ar_context *ctx)
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{
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return ar_next_buffer_index(ctx->last_buffer_index);
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