linux-kernel - [PATCH 06/14] pinctrl-sx150x: Improve sx150x_init

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: <1478015868-10309-7-git-send-email-andrew.smirnov@gmail.com>
Date:   Tue,  1 Nov 2016 08:57:40 -0700
From:   Andrey Smirnov <andrew.smirnov@...il.com>
To:     linux-gpio@...r.kernel.org
Cc:     linus.walleij@...aro.org, narmstrong@...libre.com,
        linux-kernel@...r.kernel.org, cphealy@...il.com,
        Andrey Smirnov <andrew.smirnov@...il.com>
Subject: [PATCH 06/14] pinctrl-sx150x: Improve sx150x_init_misc for SX1504/5/6

For Sx1504/5/6 only SX1506 has RegAdvanced, so put some code in place to
account for that.

Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
---
 drivers/pinctrl/pinctrl-sx150x.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c
index 4283504..9063424 100644
--- a/drivers/pinctrl/pinctrl-sx150x.c
+++ b/drivers/pinctrl/pinctrl-sx150x.c
@@ -926,6 +926,13 @@ static int sx150x_init_misc(struct sx150x_pinctrl *pctl)
 	case SX150X_456:
 		reg   = pctl->data->pri.x456.reg_advance;
 		value = 0x00;
+
+		/*
+		 * Only SX1506 has RegAdvanced, SX1504/5 are expected
+		 * to initialize this offset to zero
+		 */
+		if (!reg)
+			return 0;
 		break;
 	case SX150X_123:
 		reg   = pctl->data->pri.x123.reg_advance;
-- 
2.5.5