i2c: mpc: Fix ISR return value
ISR should not return IRQ_HANDLED for not handling anything. This patch fixes the return value of ISR for the same case. Signed-off-by: Amit Singh Tomar <amit.tomar@freescale.com> Acked-by: Danielle Costantino <danielle.costantino@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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@ -96,8 +96,9 @@ static irqreturn_t mpc_i2c_isr(int irq, void *dev_id)
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i2c->interrupt = readb(i2c->base + MPC_I2C_SR);
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writeb(0, i2c->base + MPC_I2C_SR);
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wake_up(&i2c->queue);
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}
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return IRQ_HANDLED;
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}
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return IRQ_NONE;
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}
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/* Sometimes 9th clock pulse isn't generated, and slave doesn't release
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