From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/dma/sh/usb-dmac.c | 19 +++++++------------
1 files changed, 7 insertions(+), 12 deletions(-)
diff --git a/kernel/drivers/dma/sh/usb-dmac.c b/kernel/drivers/dma/sh/usb-dmac.c
index d77bf32..1cc0690 100644
--- a/kernel/drivers/dma/sh/usb-dmac.c
+++ b/kernel/drivers/dma/sh/usb-dmac.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Renesas USB DMA Controller Driver
*
@@ -6,10 +7,6 @@
* based on rcar-dmac.c
* Copyright (C) 2014 Renesas Electronics Inc.
* Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
*/
#include <linux/delay.h>
@@ -60,7 +57,7 @@
u32 residue;
struct list_head node;
dma_cookie_t done_cookie;
- struct usb_dmac_sg sg[0];
+ struct usb_dmac_sg sg[];
};
#define to_usb_dmac_desc(vd) container_of(vd, struct usb_dmac_desc, vd)
@@ -589,6 +586,8 @@
desc->residue = usb_dmac_get_current_residue(chan, desc,
desc->sg_index - 1);
desc->done_cookie = desc->vd.tx.cookie;
+ desc->vd.tx_result.result = DMA_TRANS_NOERROR;
+ desc->vd.tx_result.residue = desc->residue;
vchan_cookie_complete(&desc->vd);
/* Restart the next transfer if this driver has a next desc */
@@ -639,9 +638,6 @@
struct usb_dmac_chan *uchan = to_usb_dmac_chan(chan);
struct of_phandle_args *dma_spec = arg;
- if (dma_spec->np != chan->device->dev->of_node)
- return false;
-
/* USB-DMAC should be used with fixed usb controller's FIFO */
if (uchan->index != dma_spec->args[0])
return false;
@@ -662,7 +658,8 @@
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
- chan = dma_request_channel(mask, usb_dmac_chan_filter, dma_spec);
+ chan = __dma_request_channel(&mask, usb_dmac_chan_filter, dma_spec,
+ ofdma->of_node);
if (!chan)
return NULL;
@@ -722,10 +719,8 @@
/* Request the channel interrupt. */
sprintf(pdev_irqname, "ch%u", index);
uchan->irq = platform_get_irq_byname(pdev, pdev_irqname);
- if (uchan->irq < 0) {
- dev_err(dmac->dev, "no IRQ specified for channel %u\n", index);
+ if (uchan->irq < 0)
return -ENODEV;
- }
irqname = devm_kasprintf(dmac->dev, GFP_KERNEL, "%s:%u",
dev_name(dmac->dev), index);
--
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