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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 <fthain@telegraphics.com.au>
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/6991996dd4aaf0b52cfd650172bf0f6fbe37a452.1590880623.git.fthain@telegraphics.com.au
This commit is contained in:
Finn Thain 2020-05-31 09:17:03 +10:00 committed by Michael Ellerman
parent 32226e8170
commit e2954e5f72
1 changed files with 3 additions and 4 deletions
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7
drivers/macintosh/adb-iop.c
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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);
}