From 0c5d31f48e54b2e56e9cef8d49ffedaef1e0ea52 Mon Sep 17 00:00:00 2001
From: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Mon, 22 Oct 2007 14:18:36 +0400
Subject: [PATCH] ACPI: EC: Don't expect interrupt after last read
There is no interrupt after last read according to spec, so
don't set bit that we are expecting one.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
---
drivers/acpi/ec.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 08fbe62a2db4..5ce90ce22b58 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -228,7 +228,9 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
command);
goto end;
}
- set_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
+ /* Don't expect GPE after last read */
+ if (rdata_len > 1)
+ set_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
*(rdata++) = acpi_ec_read_data(ec);
}
end: