serial: xilinx_uartps: remove superfluous IDR write
The datesheet clearly states, that writing low bits to the XUARTPS_IDR register have no effect. Remove the write. Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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b250a6b001
Коммит
30215c3b8f
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@ -583,9 +583,6 @@ static int xuartps_startup(struct uart_port *port)
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xuartps_writel(XUARTPS_IXR_TXEMPTY | XUARTPS_IXR_PARITY |
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XUARTPS_IXR_FRAMING | XUARTPS_IXR_OVERRUN |
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XUARTPS_IXR_RXTRIG | XUARTPS_IXR_TOUT, XUARTPS_IER_OFFSET);
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xuartps_writel(~(XUARTPS_IXR_TXEMPTY | XUARTPS_IXR_PARITY |
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XUARTPS_IXR_FRAMING | XUARTPS_IXR_OVERRUN |
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XUARTPS_IXR_RXTRIG | XUARTPS_IXR_TOUT), XUARTPS_IDR_OFFSET);
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return retval;
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}
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