From 072de836f53be56a70cecf70b43ae43b7ce17376 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 10:08:36 +0000
Subject: [PATCH] mk-rootfs.sh
---
kernel/drivers/dma/dmaengine.h | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/dma/dmaengine.h b/kernel/drivers/dma/dmaengine.h
index 302f13e..53f16d3 100644
--- a/kernel/drivers/dma/dmaengine.h
+++ b/kernel/drivers/dma/dmaengine.h
@@ -77,6 +77,7 @@
state->last = complete;
state->used = used;
state->residue = 0;
+ state->in_flight_bytes = 0;
}
return dma_async_is_complete(cookie, complete, used);
}
@@ -85,6 +86,13 @@
{
if (state)
state->residue = residue;
+}
+
+static inline void dma_set_in_flight_bytes(struct dma_tx_state *state,
+ u32 in_flight_bytes)
+{
+ if (state)
+ state->in_flight_bytes = in_flight_bytes;
}
struct dmaengine_desc_callback {
@@ -171,4 +179,23 @@
return cb->callback || cb->callback_result;
}
+struct dma_chan *dma_get_slave_channel(struct dma_chan *chan);
+struct dma_chan *dma_get_any_slave_channel(struct dma_device *device);
+
+#ifdef CONFIG_DEBUG_FS
+#include <linux/debugfs.h>
+
+static inline struct dentry *
+dmaengine_get_debugfs_root(struct dma_device *dma_dev) {
+ return dma_dev->dbg_dev_root;
+}
+#else
+struct dentry;
+static inline struct dentry *
+dmaengine_get_debugfs_root(struct dma_device *dma_dev)
+{
+ return NULL;
+}
+#endif /* CONFIG_DEBUG_FS */
+
#endif
--
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