From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/input/serio/olpc_apsp.c | 30 ++++++++++--------------------
1 files changed, 10 insertions(+), 20 deletions(-)
diff --git a/kernel/drivers/input/serio/olpc_apsp.c b/kernel/drivers/input/serio/olpc_apsp.c
index 8e9a420..59de8d9 100644
--- a/kernel/drivers/input/serio/olpc_apsp.c
+++ b/kernel/drivers/input/serio/olpc_apsp.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OLPC serio driver for multiplexed input from Marvell MMP security processor
*
* Copyright (C) 2011-2013 One Laptop Per Child
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/module.h>
@@ -145,8 +136,15 @@
{
struct olpc_apsp *priv = port->port_data;
unsigned int tmp;
+ unsigned long l;
if (priv->open_count++ == 0) {
+ l = readl(priv->base + COMMAND_FIFO_STATUS);
+ if (!(l & CMD_STS_MASK)) {
+ dev_err(priv->dev, "SP cannot accept commands.\n");
+ return -EIO;
+ }
+
/* Enable interrupt 0 by clearing its bit */
tmp = readl(priv->base + PJ_INTERRUPT_MASK);
writel(tmp & ~INT_0, priv->base + PJ_INTERRUPT_MASK);
@@ -172,15 +170,14 @@
struct serio *kb_serio, *pad_serio;
struct olpc_apsp *priv;
struct resource *res;
- struct device_node *np;
- unsigned long l;
int error;
priv = devm_kzalloc(&pdev->dev, sizeof(struct olpc_apsp), GFP_KERNEL);
if (!priv)
return -ENOMEM;
- np = pdev->dev.of_node;
+ priv->dev = &pdev->dev;
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
priv->base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(priv->base)) {
@@ -191,12 +188,6 @@
priv->irq = platform_get_irq(pdev, 0);
if (priv->irq < 0)
return priv->irq;
-
- l = readl(priv->base + COMMAND_FIFO_STATUS);
- if (!(l & CMD_STS_MASK)) {
- dev_err(&pdev->dev, "SP cannot accept commands.\n");
- return -EIO;
- }
/* KEYBOARD */
kb_serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
@@ -236,7 +227,6 @@
goto err_irq;
}
- priv->dev = &pdev->dev;
device_init_wakeup(priv->dev, 1);
platform_set_drvdata(pdev, priv);
--
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