can: at91_can: directly define AT91_MB_RX_LAST
...instead of deriving it from AT91_MB_RX_FIRST and AT91_MB_RX_NUM. This removes a level of computation, when switching the driver from compile time constants to runtime values. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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@ -47,11 +47,10 @@
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* RX/TX Mailbox split
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* don't dare to touch
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*/
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#define AT91_MB_RX_NUM 11
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#define AT91_MB_TX_SHIFT 2
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#define AT91_MB_RX_FIRST 1
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#define AT91_MB_RX_LAST (AT91_MB_RX_FIRST + AT91_MB_RX_NUM - 1)
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#define AT91_MB_RX_LAST 11
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#define AT91_MB_RX_MASK(i) ((1 << (i)) - 1)
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#define AT91_MB_RX_SPLIT 8
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