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macintosh/via-macii: Synchronous bus reset

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Make the reset operation synchronous, like the other ADB drivers.
The reset request is static data but callers may not know that.
This way the struct is not in use when the reset method returns.

Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Finn Thain 2018-09-11 20:18:44 -04:00 committed by Michael Ellerman
parent 2341629ead
commit b52dce8738
1 changed files with 2 additions and 1 deletions
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3
drivers/macintosh/via-macii.c
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@ -331,7 +331,8 @@ static int macii_reset_bus(void)
return 0;
/* Command = 0, Address = ignored */
adb_request(&req, NULL, 0, 1, ADB_BUSRESET);
adb_request(&req, NULL, ADBREQ_NOSEND, 1, ADB_BUSRESET);
macii_send_request(&req, 1);
/* Don't want any more requests during the Global Reset low time. */
udelay(3000);