X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Ftty%2Fmips_ejtag_fdc.c;h=a8c8cfd52a23b862561b1211fe5f4330da909723;hb=efe4d36a75d4dfd1a9c161b2bbf9b90beb4d9648;hp=358323c83b4f340dec1a915ef923145fb972d933;hpb=dbe08116b87cdc2217f11a78b5b70e29068b7efd;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/tty/mips_ejtag_fdc.c b/drivers/tty/mips_ejtag_fdc.c
index 358323c83b4f..a8c8cfd52a23 100644
--- a/drivers/tty/mips_ejtag_fdc.c
+++ b/drivers/tty/mips_ejtag_fdc.c
@@ -879,6 +879,11 @@ static const struct tty_operations mips_ejtag_fdc_tty_ops = {
 	.chars_in_buffer	= mips_ejtag_fdc_tty_chars_in_buffer,
 };
 
+int __weak get_c0_fdc_int(void)
+{
+	return -1;
+}
+
 static int mips_ejtag_fdc_tty_probe(struct mips_cdmm_device *dev)
 {
 	int ret, nport;
@@ -967,9 +972,7 @@ static int mips_ejtag_fdc_tty_probe(struct mips_cdmm_device *dev)
 	wake_up_process(priv->thread);
 
 	/* Look for an FDC IRQ */
-	priv->irq = -1;
-	if (get_c0_fdc_int)
-		priv->irq = get_c0_fdc_int();
+	priv->irq = get_c0_fdc_int();
 
 	/* Try requesting the IRQ */
 	if (priv->irq >= 0) {