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imx_serial: Generate interrupt on receive data ready if enabled
Generate an interrupt if USR2_RDR and UCR4_DREN are both set. Signed-off-by: Hans-Erik Floryd <hans-erik.floryd@rt-labs.com> Message-id: 1534341354-11956-1-git-send-email-hans-erik.floryd@rt-labs.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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2 changed files with 3 additions and 1 deletions
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@ -74,8 +74,9 @@ static void imx_update(IMXSerialState *s)
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mask = (s->ucr1 & UCR1_TXMPTYEN) ? USR2_TXFE : 0;
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/*
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* TCEN and TXDC are both bit 3
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* RDR and DREN are both bit 0
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*/
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mask |= s->ucr4 & UCR4_TCEN;
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mask |= s->ucr4 & (UCR4_TCEN | UCR4_DREN);
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usr2 = s->usr2 & mask;
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