git: c141cad41d94 - stable/13 - twsi: remove write-only softc field

The branch stable/13 has been updated by avg:

URL: https://cgit.FreeBSD.org/src/commit/?id=c141cad41d949b344c177fc838f0828442b61a14

commit c141cad41d949b344c177fc838f0828442b61a14
Author:     Andriy Gapon <avg@FreeBSD.org>
AuthorDate: 2021-11-26 06:45:12 +0000
Commit:     Andriy Gapon <avg@FreeBSD.org>
CommitDate: 2021-12-03 07:24:11 +0000

    twsi: remove write-only softc field
    
    (cherry picked from commit f00bc54f62c455c7ed44afee736c3c64873a305a)
---
 sys/dev/iicbus/twsi/a10_twsi.c | 2 --
 sys/dev/iicbus/twsi/twsi.h     | 1 -
 2 files changed, 3 deletions(-)

diff --git a/sys/dev/iicbus/twsi/a10_twsi.c b/sys/dev/iicbus/twsi/a10_twsi.c
index 17f551f27234..7554db0fbc94 100644
--- a/sys/dev/iicbus/twsi/a10_twsi.c
+++ b/sys/dev/iicbus/twsi/a10_twsi.c
@@ -121,8 +121,6 @@ a10_twsi_attach(device_t dev)
 	sc->reg_baud_rate = TWI_CCR;
 	sc->reg_soft_reset = TWI_SRST;
 
-	sc->need_ack = true;
-
 	if (ofw_bus_is_compatible(dev, "allwinner,sun6i-a31-i2c") ||
 	    ofw_bus_is_compatible(dev, "allwinner,sun6i-a83t-i2c"))
 		sc->iflag_w1c = true;
diff --git a/sys/dev/iicbus/twsi/twsi.h b/sys/dev/iicbus/twsi/twsi.h
index 631486fb3f0c..b10ce45be6f4 100644
--- a/sys/dev/iicbus/twsi/twsi.h
+++ b/sys/dev/iicbus/twsi/twsi.h
@@ -65,7 +65,6 @@ struct twsi_softc {
 	int			transfer;
 	int			error;
 	uint32_t		control_val;
-	bool			need_ack;
 	bool			iflag_w1c;
 
 	bus_size_t	reg_data;