i2c: pxa: use master-abort for device probes
Use master-abort to send the stop condition after an address cycle rather than resetting the controller. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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@ -940,14 +940,8 @@ static void i2c_pxa_irq_txempty(struct pxa_i2c *i2c, u32 isr)
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icr &= ~ICR_ALDIE;
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icr &= ~ICR_ALDIE;
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icr |= ICR_START | ICR_TB;
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icr |= ICR_START | ICR_TB;
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} else {
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} else {
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if (i2c->msg->len == 0) {
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if (i2c->msg->len == 0)
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/*
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icr |= ICR_MA;
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* Device probes have a message length of zero
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* and need the bus to be reset before it can
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* be used again.
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*/
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i2c_pxa_reset(i2c);
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}
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i2c_pxa_master_complete(i2c, 0);
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i2c_pxa_master_complete(i2c, 0);
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}
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}
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