From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/tty/serial/sh-sci.c | 10 +++++++++-
1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/kernel/drivers/tty/serial/sh-sci.c b/kernel/drivers/tty/serial/sh-sci.c
index 8d92472..a7c2854 100644
--- a/kernel/drivers/tty/serial/sh-sci.c
+++ b/kernel/drivers/tty/serial/sh-sci.c
@@ -31,6 +31,7 @@
#include <linux/ioport.h>
#include <linux/ktime.h>
#include <linux/major.h>
+#include <linux/minmax.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/of.h>
@@ -2923,6 +2924,13 @@
sci_port->irqs[i] = platform_get_irq(dev, i);
}
+ /*
+ * The fourth interrupt on SCI port is transmit end interrupt, so
+ * shuffle the interrupts.
+ */
+ if (p->type == PORT_SCI)
+ swap(sci_port->irqs[SCIx_BRI_IRQ], sci_port->irqs[SCIx_TEI_IRQ]);
+
/* The SCI generates several interrupts. They can be muxed together or
* connected to different interrupt lines. In the muxed case only one
* interrupt resource is specified as there is only one interrupt ID.
@@ -2988,7 +2996,7 @@
port->flags = UPF_FIXED_PORT | UPF_BOOT_AUTOCONF | p->flags;
port->fifosize = sci_port->params->fifosize;
- if (port->type == PORT_SCI) {
+ if (port->type == PORT_SCI && !dev->dev.of_node) {
if (sci_port->reg_size >= 0x20)
port->regshift = 2;
else
--
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