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be-hci: use backend functions

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Avoid accessing CharBackend directly, use qemu_chr_be_* methods instead.

be->chr_read should exists if qemu_chr_be_can_write() is true.

(use qemu_chr_be_write(), _impl() bypasses replay)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Andrzej Zaborowski <balrogg@gmail.com>
This commit is contained in:
Marc-André Lureau 2017-01-26 17:55:04 +04:00
parent 7566c6efe7
commit 93a78e4124
1 changed files with 3 additions and 6 deletions
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9
hw/bt/hci-csr.c
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@ -82,17 +82,14 @@ enum {
static inline void csrhci_fifo_wake(struct csrhci_s *s)
{
Chardev *chr = (Chardev *)s;
CharBackend *be = chr->be;
Chardev *chr = CHARDEV(s);
if (!s->enable || !s->out_len)
return;
/* XXX: Should wait for s->modem_state & CHR_TIOCM_RTS? */
if (be && be->chr_can_read && be->chr_can_read(be->opaque) &&
be->chr_read) {
be->chr_read(be->opaque,
s->outfifo + s->out_start++, 1);
if (qemu_chr_be_can_write(chr)) {
qemu_chr_be_write(chr, s->outfifo + s->out_start++, 1);
s->out_len--;
if (s->out_start >= s->out_size) {
s->out_start = 0;