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Commit 84628948 authored by Akash Asthana's avatar Akash Asthana
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tty: serial: msm_geni_serial: Fix timeout for Rx abort 



Fix false warning for RX abort command. Abort command sets abort
interrupt bit in s_irq_status register. Separate it from dma_rx_stat
block to handle it independently.

Interrupts generated for RX abort:
sirq:0x21 mirq:0x80000000 dma_txirq:0x0 dma_rxirq:0x0.

Change-Id: I927de3924f7527068807fadcd4f83742638ae802
Signed-off-by: default avatarAkash Asthana <akashast@codeaurora.org>
parent 6318d62c

drivers/tty/serial/msm_geni_serial.c

+7 −10
Original line number Diff line number Diff line
@@ -1913,18 +1913,15 @@ static bool handle_tx_dma_xfer(u32 m_irq_status, struct uart_port *uport) 
					SE_DMA_TX_IRQ_CLR);



		if (dma_tx_status & (TX_RESET_DONE | TX_GENI_CANCEL_IRQ))

			ret = true;



		if (m_irq_status & (M_CMD_CANCEL_EN | M_CMD_ABORT_EN))

			ret = true;



		if (ret)

			return ret;

			return true;



		if (dma_tx_status & TX_DMA_DONE)

			msm_geni_serial_handle_dma_tx(uport);

	}



	if (m_irq_status & (M_CMD_CANCEL_EN | M_CMD_ABORT_EN))

		ret = true;



	return ret;

}
@@ -1985,10 +1982,10 @@ static bool handle_rx_dma_xfer(u32 s_irq_status, struct uart_port *uport) 


		if (dma_rx_status & (RX_EOT | RX_GENI_CANCEL_IRQ | RX_DMA_DONE))

			ret = true;

	}



	if (s_irq_status & (S_CMD_CANCEL_EN | S_CMD_ABORT_EN))

		ret = true;

	}



	return ret;

}