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/net/can/sun4i_can.c | 17 ++++++-----------
1 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/kernel/drivers/net/can/sun4i_can.c b/kernel/drivers/net/can/sun4i_can.c
index 093fc9a..39ddb3d 100644
--- a/kernel/drivers/net/can/sun4i_can.c
+++ b/kernel/drivers/net/can/sun4i_can.c
@@ -525,11 +525,6 @@
rxerr = (errc >> 16) & 0xFF;
txerr = errc & 0xFF;
- if (skb) {
- cf->data[6] = txerr;
- cf->data[7] = rxerr;
- }
-
if (isrc & SUN4I_INT_DATA_OR) {
/* data overrun interrupt */
netdev_dbg(dev, "data overrun interrupt\n");
@@ -559,6 +554,10 @@
state = CAN_STATE_ERROR_WARNING;
else
state = CAN_STATE_ERROR_ACTIVE;
+ }
+ if (skb && state != CAN_STATE_BUS_OFF) {
+ cf->data[6] = txerr;
+ cf->data[7] = rxerr;
}
if (isrc & SUN4I_INT_BUS_ERR) {
/* bus error interrupt */
@@ -604,7 +603,6 @@
netdev_dbg(dev, "arbitration lost interrupt\n");
alc = readl(priv->base + SUN4I_REG_STA_ADDR);
priv->can.can_stats.arbitration_lost++;
- stats->tx_errors++;
if (likely(skb)) {
cf->can_id |= CAN_ERR_LOSTARB;
cf->data[0] = (alc >> 8) & 0x1f;
@@ -771,7 +769,6 @@
static int sun4ican_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
- struct resource *mem;
struct clk *clk;
void __iomem *addr;
int err, irq;
@@ -787,15 +784,13 @@
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
- dev_err(&pdev->dev, "could not get a valid irq\n");
err = -ENODEV;
goto exit;
}
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- addr = devm_ioremap_resource(&pdev->dev, mem);
+ addr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(addr)) {
- err = -EBUSY;
+ err = PTR_ERR(addr);
goto exit;
}
--
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