dmaengine: hsu: refactor hsu_dma_do_irq() to return int

[cascardo/linux.git] / drivers / tty / serial / 8250 / 8250_mid.c

diff --git a/drivers/tty/serial/8250/8250_mid.c b/drivers/tty/serial/8250/8250_mid.c
index 339de9c..121a7f2 100644 (file)
--- a/drivers/tty/serial/8250/8250_mid.c
+++ b/drivers/tty/serial/8250/8250_mid.c
@@ -99,27 +99,27 @@ static int dnv_handle_irq(struct uart_port *p)
        struct uart_8250_port *up = up_to_u8250p(p);
        unsigned int fisr = serial_port_in(p, INTEL_MID_UART_DNV_FISR);
        u32 status;
-       int ret = IRQ_NONE;
+       int ret = 0;
        int err;
 
        if (fisr & BIT(2)) {
                err = hsu_dma_get_status(&mid->dma_chip, 1, &status);
                if (err > 0) {
                        serial8250_rx_dma_flush(up);
-                       ret |= IRQ_HANDLED;
+                       ret |= 1;
                } else if (err == 0)
                        ret |= hsu_dma_do_irq(&mid->dma_chip, 1, status);
        }
        if (fisr & BIT(1)) {
                err = hsu_dma_get_status(&mid->dma_chip, 0, &status);
                if (err > 0)
-                       ret |= IRQ_HANDLED;
+                       ret |= 1;
                else if (err == 0)
                        ret |= hsu_dma_do_irq(&mid->dma_chip, 0, status);
        }
        if (fisr & BIT(0))
                ret |= serial8250_handle_irq(p, serial_port_in(p, UART_IIR));
-       return ret;
+       return IRQ_RETVAL(ret);
 }
 
 #define DNV_DMA_CHAN_OFFSET 0x80