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macintosh/adb-iop: Implement sending -> idle state transition

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On leaving the 'sending' state, proceed to the 'idle' state if no reply is
expected. Drop redundant test for adb_iop_state == sending && current_req.

Signed-off-by: Finn Thain <[email protected]>
Tested-by: Stan Johnson <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://lore.kernel.org/r/6991996dd4aaf0b52cfd650172bf0f6fbe37a452.1590880623.git.fthain@telegraphics.com.au
This commit is contained in:
Finn Thain authored and Michael Ellerman committed 2020-07-26 23:34:24 +10:00
1 parent 32226e8170
commit e2954e5f72
1 file changed
+3 -4
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drivers/macintosh/adb-iop.c
+3 -4
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@@ -77,15 +77,14 @@ static void adb_iop_done(void)
static void adb_iop_complete(struct iop_msg *msg)
{
struct adb_request *req;
unsigned long flags;
local_irq_save(flags);
req = current_req;
if ((adb_iop_state == sending) && req && req->reply_expected) {
if (current_req->reply_expected)
adb_iop_state = awaiting_reply;
}
else
adb_iop_done();
local_irq_restore(flags);
}