forked from luck/tmp_suning_uos_patched
i2c-pxa.c: timeouts off by 1
With `while (timeout--)' timeout reaches -1 after the loop, so the tests below are off by one. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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@ -265,10 +265,10 @@ static int i2c_pxa_wait_bus_not_busy(struct pxa_i2c *i2c)
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show_state(i2c);
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}
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if (timeout <= 0)
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if (timeout < 0)
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show_state(i2c);
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return timeout <= 0 ? I2C_RETRY : 0;
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return timeout < 0 ? I2C_RETRY : 0;
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}
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static int i2c_pxa_wait_master(struct pxa_i2c *i2c)
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@ -612,7 +612,7 @@ static int i2c_pxa_pio_set_master(struct pxa_i2c *i2c)
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show_state(i2c);
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}
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if (timeout <= 0) {
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if (timeout < 0) {
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show_state(i2c);
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dev_err(&i2c->adap.dev,
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"i2c_pxa: timeout waiting for bus free\n");
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