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path: root/packages/linux/linux-ezx-2.6.20.7/mux-remove-flipbuffers.patch
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Diffstat (limited to 'packages/linux/linux-ezx-2.6.20.7/mux-remove-flipbuffers.patch')
-rw-r--r--packages/linux/linux-ezx-2.6.20.7/mux-remove-flipbuffers.patch269
1 files changed, 0 insertions, 269 deletions
diff --git a/packages/linux/linux-ezx-2.6.20.7/mux-remove-flipbuffers.patch b/packages/linux/linux-ezx-2.6.20.7/mux-remove-flipbuffers.patch
deleted file mode 100644
index d4781f9fc7..0000000000
--- a/packages/linux/linux-ezx-2.6.20.7/mux-remove-flipbuffers.patch
+++ /dev/null
@@ -1,269 +0,0 @@
-Index: linux-2.6.16/drivers/char/ts0710_mux_usb.c
-===================================================================
---- linux-2.6.16.orig/drivers/char/ts0710_mux_usb.c 2007-01-17 00:52:25.000000000 +0100
-+++ linux-2.6.16/drivers/char/ts0710_mux_usb.c 2007-01-17 00:52:26.000000000 +0100
-@@ -133,6 +133,7 @@
-
- struct circ_buf xmit; /* write cric bufffer */
- struct list_head in_buf_list;
-+ spinlock_t in_buf_lock;
- char bulk_in_ep_mux,
- bulk_out_ep_mux,
- bulk_in_ep_dsplog;
-@@ -204,9 +205,39 @@
- return;
- }
- memcpy(inbuf->body, (unsigned char*)urb->transfer_buffer, count);
-+ spin_lock(&bvd_ipc->in_buf_lock);
- list_add_tail(&inbuf->list, &bvd_ipc->in_buf_list);
-+ spin_unlock(&bvd_ipc->in_buf_lock);
- }
-
-+int get_from_inbuf_list(const unsigned char *buf, int dst_count)
-+{
-+ int ret = 0;
-+ spin_lock(&bvd_ipc->in_buf_lock);
-+ if (!(list_empty(&bvd_ipc->in_buf_list))) {
-+ int src_count;
-+ buf_list_t *inbuf;
-+ struct list_head *ptr;
-+
-+ ptr = bvd_ipc->in_buf_list.next;
-+ inbuf = list_entry(ptr, buf_list_t, list);
-+ src_count = inbuf->size;
-+ if (dst_count >= src_count) {
-+ memcpy(buf, inbuf->body, src_count);
-+ ret = src_count;
-+ list_del(ptr);
-+ kfree(inbuf->body);
-+ kfree(inbuf);
-+ } else {
-+ bvd_dbg("get_from_inbuf_list: not enough space in destination buffer");
-+ }
-+ }
-+ spin_unlock(&bvd_ipc->in_buf_lock);
-+
-+ return ret;
-+}
-+EXPORT_SYMBOL(get_from_inbuf_list);
-+
- static void ipcusb_timeout(unsigned long data)
- {
- struct tty_struct *tty = &ipcusb_tty;
-@@ -214,13 +245,14 @@
-
- bvd_dbg("ipcusb_timeout***");
-
-+ spin_lock(&bvd_ipc->in_buf_lock);
- while (!(list_empty(&bvd_ipc->in_buf_list))) {
- int count;
- buf_list_t *inbuf;
- struct list_head *ptr = NULL;
-
- ptr = bvd_ipc->in_buf_list.next;
-- inbuf = list_entry (ptr, buf_list_t, list);
-+ inbuf = list_entry(ptr, buf_list_t, list);
- count = inbuf->size;
- if (tty_insert_flip_string(tty, inbuf->body, count) >= count) {
- list_del(ptr);
-@@ -232,10 +264,12 @@
- break;
- }
- }
-+ spin_unlock(&bvd_ipc->in_buf_lock);
-
- if (usb_mux_dispatcher)
- usb_mux_dispatcher(tty); /**call Liu changhui's func.**/
-
-+ spin_lock(&bvd_ipc->in_buf_lock);
- if (list_empty(&bvd_ipc->in_buf_list)) {
- urb->actual_length = 0;
- urb->dev = bvd_ipc->ipc_dev;
-@@ -246,6 +280,7 @@
- ipcusb_timer.data = (unsigned long)urb;
- mod_timer(&ipcusb_timer, jiffies+(10*HZ/1000));
- }
-+ spin_unlock(&bvd_ipc->in_buf_lock);
- }
-
- static void usb_ipc_read_bulk(struct urb *urb, struct pt_regs *regs)
-@@ -266,69 +301,11 @@
- if (count > 0 && ((*ipcusb_bp_to_ap) != NULL))
- (*ipcusb_bp_to_ap)(urb->transfer_buffer, urb->actual_length);
-
-- if (!(list_empty(&bvd_ipc->in_buf_list))) {
-- int need_mux = 0;
--
-- bvd_dbg("usb_ipc_read_bulk: some urbs in_buf_list");
-- if (count > 0) {
-- bvd_ipc->suspend_flag = 1;
-- append_to_inbuf_list(urb); /* append the current received urb */
--#if 0
-- if(jiffies - last_jiff > ICL_EVENT_INTERVAL)
-- {
-- last_jiff = jiffies;
-- queue_apm_event(KRNL_ICL, NULL);
-- }
--#endif
-- }
--
-- while (!(list_empty(&bvd_ipc->in_buf_list))) {
-- struct list_head* ptr = NULL;
-- ptr = bvd_ipc->in_buf_list.next;
-- inbuf = list_entry(ptr, buf_list_t, list);
-- count = inbuf->size;
-- need_mux = 1;
--
-- tty_insert_flip_string(tty, inbuf->body, count);
--
-- list_del(ptr);
-- kfree(inbuf->body);
-- inbuf->body = NULL;
-- kfree(inbuf);
-- }
--
-- if (usb_mux_dispatcher && need_mux)
-- usb_mux_dispatcher(tty); /* call Liu changhui's func. */
--
-- if (list_empty(&bvd_ipc->in_buf_list)) {
-- urb->actual_length = 0;
-- urb->dev = bvd_ipc->ipc_dev;
-- if (usb_submit_urb(urb, GFP_ATOMIC))
-- bvd_dbg("usb_ipc_read_bulk: "
-- "failed resubmitting read urb");
-- bvd_dbg("usb_ipc_read_bulk: resubmited read urb");
-- } else {
-- ipcusb_timer.data = (unsigned long)urb;
-- mod_timer(&ipcusb_timer, jiffies+(10*HZ/1000));
-- }
-- } else if (count > 0) {
-- bvd_dbg("usb_ipc_read_bulk: no urbs in_buf_list");
-+ if (count > 0) {
-+ bvd_dbg("usb_ipc_read_bulk: inserting buffer into in_buf_list");
- bvd_ipc->suspend_flag = 1;
-
-- if (tty_insert_flip_string(tty, urb->transfer_buffer,
-- count) < count) {
-- bvd_ipc->suspend_flag = 1;
-- append_to_inbuf_list(urb);
-- ipcusb_timer.data = (unsigned long)urb;
-- mod_timer(&ipcusb_timer, jiffies+(10*HZ/1000));
--#if 0
-- if(jiffies - last_jiff > ICL_EVENT_INTERVAL)
-- {
-- last_jiff = jiffies;
-- queue_apm_event(KRNL_ICL, NULL);
-- }
--#endif
-- }
-+ append_to_inbuf_list(urb);
-
- if (usb_mux_dispatcher)
- usb_mux_dispatcher(tty); /* call Liu changhui's func. */
-@@ -337,13 +314,6 @@
- urb->dev = bvd_ipc->ipc_dev;
- if (usb_submit_urb(urb, GFP_ATOMIC))
- bvd_dbg("failed resubmitting read urb");
--#if 0
-- if(jiffies - last_jiff > ICL_EVENT_INTERVAL)
-- {
-- last_jiff = jiffies;
-- queue_apm_event(KRNL_ICL, NULL);
-- }
--#endif
- bvd_dbg("usb_ipc_read_bulk: resubmited read urb");
- }
-
-@@ -705,7 +675,8 @@
- bvd_ipc->bulk_out_ep_mux= have_bulk_out_mux;
- bvd_ipc->ipc_dev = usbdev;
- bvd_ipc->writesize = writesize;
-- INIT_LIST_HEAD (&bvd_ipc->in_buf_list);
-+ INIT_LIST_HEAD(&bvd_ipc->in_buf_list);
-+ bvd_ipc->in_buf_lock = SPIN_LOCK_UNLOCKED;
-
- bvd_ipc->bh.func = usbipc_bh_func;
- bvd_ipc->bh.data = (unsigned long) bvd_ipc;
-Index: linux-2.6.16/drivers/char/ts0710_mux.c
-===================================================================
---- linux-2.6.16.orig/drivers/char/ts0710_mux.c 2007-01-17 00:52:23.000000000 +0100
-+++ linux-2.6.16/drivers/char/ts0710_mux.c 2007-01-17 00:52:26.000000000 +0100
-@@ -3149,7 +3149,7 @@
- static void receive_worker(void *private_)
- {
- struct tty_struct *tty = COMM_FOR_MUX_TTY;
-- int i, count;
-+ int i, count, tbuf_free, tbuf_read;
- static unsigned char tbuf[TS0710MUX_MAX_BUF_SIZE];
- static unsigned char *tbuf_ptr = &tbuf[0];
- static unsigned char *start_flag = 0;
-@@ -3167,29 +3167,39 @@
-
- UNUSED_PARAM(private_);
-
-- if (!tty)
-- return;
-+ if (!tty)
-+ return;
-+
-+ while (1) {
-+ tbuf_free = TS0710MUX_MAX_BUF_SIZE - (tbuf_ptr - tbuf);
-+ TS0710_PRINTK("Reading max %i bytes from ts0710_mux_usb inbuf.\n", tbuf_free);
-+ tbuf_read = get_from_inbuf_list(tbuf_ptr, tbuf_free);
-+ if (tbuf_read == 0) {
-+ break;
-+ } else {
-+ TS0710_PRINTK("Read %i bytes.\n", tbuf_read);
-+ };
-+ tbuf_ptr += tbuf_read;
-+ };
-+
-+ count = (tbuf_ptr - tbuf);
-+
-+ // Should be impossible?
-+ //if (count > (TS0710MUX_MAX_BUF_SIZE - (tbuf_ptr - tbuf))) {
-+ // TS0710_PRINTK
-+ // ("MUX receive_worker: !!!!! Exceed buffer boundary !!!!!\n");
-+ // count = (TS0710MUX_MAX_BUF_SIZE - (tbuf_ptr - tbuf));
-+ //}
-
- #ifdef USB_FOR_MUX
-- TS0710_DEBUG("Receive following bytes from IPC-USB");
-+ TS0710_DEBUG("Received following bytes from IPC-USB");
- #else
-- TS0710_DEBUG("Receive following bytes from UART");
-+ TS0710_DEBUG("Received following bytes from UART");
- #endif
--
-- TS0710_DEBUGHEX(cp, count);
--
-- if (count > (TS0710MUX_MAX_BUF_SIZE - (tbuf_ptr - tbuf))) {
-- TS0710_PRINTK
-- ("MUX receive_worker: !!!!! Exceed buffer boundary !!!!!\n");
-- count = (TS0710MUX_MAX_BUF_SIZE - (tbuf_ptr - tbuf));
-- }
--
-- count = tty_buffer_request_room(tty, count);
--
-- for (i = 0; i < count; i++)
-- tty_insert_flip_char(tty, tbuf_ptr[i], TTY_NORMAL);
--
-- tbuf_ptr += count;
-+ TS0710_DEBUGHEX(tbuf, count);
-+
-+ //gets updated above
-+ //tbuf_ptr += count;
- search = &tbuf[0];
-
- if (test_and_set_bit(RECV_RUNNING, &mux_recv_flags)) {
-Index: linux-2.6.16/drivers/char/ts0710_mux_usb.h
-===================================================================
---- linux-2.6.16.orig/drivers/char/ts0710_mux_usb.h 2007-01-17 00:52:23.000000000 +0100
-+++ linux-2.6.16/drivers/char/ts0710_mux_usb.h 2007-01-17 00:52:26.000000000 +0100
-@@ -27,3 +27,6 @@
- extern struct tty_struct *usb_for_mux_tty;
- extern void (*usb_mux_dispatcher)(struct tty_struct *tty);
- extern void (*usb_mux_sender)(void);
-+
-+extern int get_from_inbuf_list(const unsigned char *buf, int dst_count);
-+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 01:46:59 +0000