From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/drivers/net/wireless/marvell/libertas/if_spi.c | 33 ++++++++++++---------------------
1 files changed, 12 insertions(+), 21 deletions(-)
diff --git a/kernel/drivers/net/wireless/marvell/libertas/if_spi.c b/kernel/drivers/net/wireless/marvell/libertas/if_spi.c
index e9aec6c..cd9f8ec 100644
--- a/kernel/drivers/net/wireless/marvell/libertas/if_spi.c
+++ b/kernel/drivers/net/wireless/marvell/libertas/if_spi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* linux/drivers/net/wireless/libertas/if_spi.c
*
@@ -10,11 +11,6 @@
* Colin McCabe <colin@cozybit.com>
*
* Inspired by if_sdio.c, Copyright 2007-2008 Pierre Ossman
- *
- * 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.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -39,7 +35,7 @@
struct if_spi_packet {
struct list_head list;
u16 blen;
- u8 buffer[0] __attribute__((aligned(4)));
+ u8 buffer[] __aligned(4);
};
struct if_spi_card {
@@ -239,8 +235,9 @@
spi_message_add_tail(&dummy_trans, &m);
} else {
/* Busy-wait while the SPU fills the FIFO */
- reg_trans.delay_usecs =
+ reg_trans.delay.value =
DIV_ROUND_UP((100 + (delay * 10)), 1000);
+ reg_trans.delay.unit = SPI_DELAY_UNIT_USECS;
}
/* read in data */
@@ -770,19 +767,15 @@
/* Read the data from the WLAN module into our skb... */
err = spu_read(card, IF_SPI_DATA_RDWRPORT_REG, data, ALIGN(len, 4));
- if (err)
- goto free_skb;
+ if (err) {
+ dev_kfree_skb(skb);
+ goto out;
+ }
/* pass the SKB to libertas */
err = lbs_process_rxed_packet(card->priv, skb);
- if (err)
- goto free_skb;
+ /* lbs_process_rxed_packet() consumes the skb */
- /* success */
- goto out;
-
-free_skb:
- dev_kfree_skb(skb);
out:
if (err)
netdev_err(priv->dev, "%s: err=%d\n", __func__, err);
@@ -796,15 +789,13 @@
{
struct lbs_private *priv = card->priv;
int err = 0;
- u16 int_type, port_reg;
+ u16 port_reg;
switch (type) {
case MVMS_DAT:
- int_type = IF_SPI_CIC_TX_DOWNLOAD_OVER;
port_reg = IF_SPI_DATA_RDWRPORT_REG;
break;
case MVMS_CMD:
- int_type = IF_SPI_CIC_CMD_DOWNLOAD_OVER;
port_reg = IF_SPI_CMD_RDWRPORT_REG;
break;
default:
@@ -1146,8 +1137,8 @@
* This will call alloc_etherdev.
*/
priv = lbs_add_card(card, &spi->dev);
- if (!priv) {
- err = -ENOMEM;
+ if (IS_ERR(priv)) {
+ err = PTR_ERR(priv);
goto free_card;
}
card->priv = priv;
--
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