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spi: davinci: do not treat Tx interrupt being set as error
In davinci_spi_check_error(), Tx interrupt being set is treated as error. This function is only meant to flag bus error conditions and Tx interrupt being set at that point is not a bus error but rather a driver bug. Stop checking for Tx interrupt and flagging that as an IO error. Tested-By: Michael Williamson <michael.williamson@criticallink.com> Tested-By: Brian Niebuhr <bniebuhr@efjohnson.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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@ -590,10 +590,6 @@ static int davinci_spi_check_error(struct davinci_spi *davinci_spi,
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dev_dbg(sdev, "SPI Data Overrun error\n");
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dev_dbg(sdev, "SPI Data Overrun error\n");
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return -EIO;
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return -EIO;
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}
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}
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if (int_status & SPIFLG_TX_INTR_MASK) {
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dev_dbg(sdev, "SPI TX intr bit set\n");
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return -EIO;
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}
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if (int_status & SPIFLG_BUF_INIT_ACTIVE_MASK) {
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if (int_status & SPIFLG_BUF_INIT_ACTIVE_MASK) {
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dev_dbg(sdev, "SPI Buffer Init Active\n");
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dev_dbg(sdev, "SPI Buffer Init Active\n");
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return -EBUSY;
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return -EBUSY;
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