Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ce71b0ffd01b0917a74c03562aaa110a71a0ee29
Commit: ce71b0ffd01b0917a74c03562aaa110a71a0ee29
Parent: 2c7fea992104b5ca2b510d585a27b3ba018b795f
Author: Jiri Slaby <[EMAIL PROTECTED]>
AuthorDate: Tue May 8 00:36:53 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue May 8 11:15:25 2007 -0700
Char: cyclades, fix blockmove
tty has no longer flip buffers accessible externally. Fix it by moving the
code to the tty_*flip* helpers.
Signed-off-by: Jiri Slaby <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
drivers/char/cyclades.c | 34 ++++++++++++++++------------------
1 files changed, 16 insertions(+), 18 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index c236e9f..9160953 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -1560,7 +1560,7 @@ cyz_handle_rx(struct cyclades_port *info, struct CH_CTRL
__iomem *ch_ctrl,
int char_count;
int len;
#ifdef BLOCKMOVE
- int small_count;
+ unsigned char *buf;
#else
char data;
#endif
@@ -1596,25 +1596,23 @@ cyz_handle_rx(struct cyclades_port *info, struct
CH_CTRL __iomem *ch_ctrl,
/* we'd like to use memcpy(t, f, n) and memset(s, c, count)
for performance, but because of buffer boundaries, there
may be several steps to the operation */
- while (0 < (small_count = min_t(unsigned int,
- rx_bufsize - new_rx_get,
- min_t(unsigned int, TTY_FLIPBUF_SIZE -
- tty->flip.count, char_count)))){
- memcpy_fromio(tty->flip.char_buf_ptr,
- (char *)(cinfo->base_addr + rx_bufaddr +
- new_rx_get),
- small_count);
+ while (1) {
+ len = tty_prepare_flip_string(tty, &buf,
+ char_count);
+ if (!len)
+ break;
- tty->flip.char_buf_ptr += small_count;
- memset(tty->flip.flag_buf_ptr, TTY_NORMAL,
- small_count);
- tty->flip.flag_buf_ptr += small_count;
- new_rx_get = (new_rx_get + small_count) &
+ len = min_t(unsigned int, min(len, char_count),
+ rx_bufsize - new_rx_get);
+
+ memcpy_fromio(buf, cinfo->base_addr +
+ rx_bufaddr + new_rx_get, len);
+
+ new_rx_get = (new_rx_get + len) &
(rx_bufsize - 1);
- char_count -= small_count;
- info->icount.rx += small_count;
- info->idle_stats.recv_bytes += small_count;
- tty->flip.count += small_count;
+ char_count -= len;
+ info->icount.rx += len;
+ info->idle_stats.recv_bytes += len;
}
#else
len = tty_buffer_request_room(tty, char_count);
-
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