linux-kernel - [PATCH 04/12] i2c: mux: populate the new *

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190403124019.8947-5-wsa+renesas@sang-engineering.com>
Date:   Wed,  3 Apr 2019 14:40:11 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-i2c@...r.kernel.org
Cc:     linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Peter Rosin <peda@...ntia.se>,
        Stefan Lengfeld <contact@...fanchrist.eu>,
        linux-omap@...r.kernel.org, linux-tegra@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>
Subject: [PATCH 04/12] i2c: mux: populate the new *_atomic callbacks

If the parent adapter has atomic_xfer callbacks, populate them for the
mux adapter as well. We can use the same translation function as for the
non-atomic xfer callback.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
 drivers/i2c/i2c-mux.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index f330690b4125..603252fa1284 100644
--- a/drivers/i2c/i2c-mux.c
+++ b/drivers/i2c/i2c-mux.c
@@ -310,12 +310,18 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc,
 		else
 			priv->algo.master_xfer = __i2c_mux_master_xfer;
 	}
+	if (parent->algo->master_xfer_atomic)
+		priv->algo.master_xfer_atomic = priv->algo.master_xfer;
+
 	if (parent->algo->smbus_xfer) {
 		if (muxc->mux_locked)
 			priv->algo.smbus_xfer = i2c_mux_smbus_xfer;
 		else
 			priv->algo.smbus_xfer = __i2c_mux_smbus_xfer;
 	}
+	if (parent->algo->smbus_xfer_atomic)
+		priv->algo.smbus_xfer_atomic = priv->algo.smbus_xfer;
+
 	priv->algo.functionality = i2c_mux_functionality;
 
 	/* Now fill out new adapter structure */
-- 
2.11.0