From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/usb/renesas_usbhs/fifo.c | 45 +++++++++++++++++++++++++--------------------
1 files changed, 25 insertions(+), 20 deletions(-)
diff --git a/kernel/drivers/usb/renesas_usbhs/fifo.c b/kernel/drivers/usb/renesas_usbhs/fifo.c
index e49f6d4..02f49d7 100644
--- a/kernel/drivers/usb/renesas_usbhs/fifo.c
+++ b/kernel/drivers/usb/renesas_usbhs/fifo.c
@@ -3,6 +3,7 @@
* Renesas USB driver
*
* Copyright (C) 2011 Renesas Solutions Corp.
+ * Copyright (C) 2019 Renesas Electronics Corporation
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*/
#include <linux/delay.h>
@@ -12,7 +13,6 @@
#include "pipe.h"
#define usbhsf_get_cfifo(p) (&((p)->fifo_info.cfifo))
-#define usbhsf_is_cfifo(p, f) (usbhsf_get_cfifo(p) == f)
#define usbhsf_fifo_is_busy(f) ((f)->pipe) /* see usbhs_pipe_select_fifo */
@@ -333,10 +333,7 @@
}
/* "base" will be used below */
- if (usbhs_get_dparam(priv, has_sudmac) && !usbhsf_is_cfifo(priv, fifo))
- usbhs_write(priv, fifo->sel, base);
- else
- usbhs_write(priv, fifo->sel, base | MBW_32);
+ usbhs_write(priv, fifo->sel, base | MBW_32);
/* check ISEL and CURPIPE value */
while (timeout--) {
@@ -551,8 +548,13 @@
}
/* the rest operation */
- for (i = 0; i < len; i++)
- iowrite8(buf[i], addr + (0x03 - (i & 0x03)));
+ if (usbhs_get_dparam(priv, cfifo_byte_addr)) {
+ for (i = 0; i < len; i++)
+ iowrite8(buf[i], addr + (i & 0x03));
+ } else {
+ for (i = 0; i < len; i++)
+ iowrite8(buf[i], addr + (0x03 - (i & 0x03)));
+ }
/*
* variable update
@@ -809,7 +811,8 @@
return info->dma_map_ctrl(chan->device->dev, pkt, map);
}
-static void usbhsf_dma_complete(void *arg);
+static void usbhsf_dma_complete(void *arg,
+ const struct dmaengine_result *result);
static void usbhsf_dma_xfer_preparing(struct usbhs_pkt *pkt)
{
struct usbhs_pipe *pipe = pkt->pipe;
@@ -819,6 +822,7 @@
struct dma_chan *chan;
struct device *dev = usbhs_priv_to_dev(priv);
enum dma_transfer_direction dir;
+ dma_cookie_t cookie;
fifo = usbhs_pipe_to_fifo(pipe);
if (!fifo)
@@ -833,11 +837,11 @@
if (!desc)
return;
- desc->callback = usbhsf_dma_complete;
- desc->callback_param = pipe;
+ desc->callback_result = usbhsf_dma_complete;
+ desc->callback_param = pkt;
- pkt->cookie = dmaengine_submit(desc);
- if (pkt->cookie < 0) {
+ cookie = dmaengine_submit(desc);
+ if (cookie < 0) {
dev_err(dev, "Failed to submit dma descriptor\n");
return;
}
@@ -1158,12 +1162,10 @@
struct dma_chan *chan, int dtln)
{
struct usbhs_pipe *pipe = pkt->pipe;
- struct dma_tx_state state;
size_t received_size;
int maxp = usbhs_pipe_get_maxpacket(pipe);
- dmaengine_tx_status(chan, pkt->cookie, &state);
- received_size = pkt->length - state.residue;
+ received_size = pkt->length - pkt->dma_result->residue;
if (dtln) {
received_size -= USBHS_USB_DMAC_XFER_SIZE;
@@ -1279,11 +1281,11 @@
*/
snprintf(name, sizeof(name), "ch%d", channel);
if (channel & 1) {
- fifo->tx_chan = dma_request_slave_channel_reason(dev, name);
+ fifo->tx_chan = dma_request_chan(dev, name);
if (IS_ERR(fifo->tx_chan))
fifo->tx_chan = NULL;
} else {
- fifo->rx_chan = dma_request_slave_channel_reason(dev, name);
+ fifo->rx_chan = dma_request_chan(dev, name);
if (IS_ERR(fifo->rx_chan))
fifo->rx_chan = NULL;
}
@@ -1294,7 +1296,7 @@
{
struct device *dev = usbhs_priv_to_dev(priv);
- if (dev->of_node)
+ if (dev_of_node(dev))
usbhsf_dma_init_dt(dev, fifo, channel);
else
usbhsf_dma_init_pdev(fifo);
@@ -1369,13 +1371,16 @@
return 0;
}
-static void usbhsf_dma_complete(void *arg)
+static void usbhsf_dma_complete(void *arg,
+ const struct dmaengine_result *result)
{
- struct usbhs_pipe *pipe = arg;
+ struct usbhs_pkt *pkt = arg;
+ struct usbhs_pipe *pipe = pkt->pipe;
struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
struct device *dev = usbhs_priv_to_dev(priv);
int ret;
+ pkt->dma_result = result;
ret = usbhsf_pkt_handler(pipe, USBHSF_PKT_DMA_DONE);
if (ret < 0)
dev_err(dev, "dma_complete run_error %d : %d\n",
--
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