From nobody Mon Jun 8 06:39:40 2026 Received: from out162-62-57-252.mail.qq.com (out162-62-57-252.mail.qq.com [162.62.57.252]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C0AF937D134; Wed, 3 Jun 2026 01:40:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=162.62.57.252 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780450815; cv=none; b=L0E5pScpzRxYkuY7ziEQrmmlShcTliD9gl+4lBw415UyzmkU8mtggLmvVjqeGytz3DAhUBuqapzBlEkXwthJBfgd2XYsDl0p30j3hFsn0bnBm/le/jMiM7Jb5X5YJJhdD9wryCH73mkKY81SixFDeAfllKmsYDIzoe0WK5aKO5g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780450815; c=relaxed/simple; bh=sXKy15eU3M0kre+lkesPRVyJ0evJ6D1sd3c42P+JQI0=; h=Message-ID:From:To:Cc:Subject:Date:MIME-Version; b=nALKnzjnP2mdypBCyeb0p7DP4IMTK3PwF7f5NMWxhJHrrRILzvkv5d+MIIReGUmuO0tB1Wj3vxjYLQiBKetx4qg+hpxz75r8pTEFdFE/p8MnQWrlViAA6Glx/RxI0hvGa/IUXjl75IpLMngcrcx5Hja9ibf6epnM6iwCG3Fs03I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=joint-cloud.com; spf=none smtp.mailfrom=joint-cloud.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=eyxanITq; arc=none smtp.client-ip=162.62.57.252 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=joint-cloud.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=joint-cloud.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="eyxanITq" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1780450807; bh=k/8NAuC4RlpSg7vrQ5V8MdqJaj0IP3ndU/GuQ3XW+7o=; h=From:To:Cc:Subject:Date; b=eyxanITqJq27LEJMe2fGT421PUkBGWjKie4JCTXdFDl377o8K7Q3svYRrMxlI6/U/ Xv28YpwE3F+65EoAKpIkTqrt6+qk8v3RJ71DkmRCFqJ5ug6EEXE9vrc/SEG8C1agfZ wm4U9AxXmXR2dL7h4uBO/iSbbztVH5h0xxPMCalg= Received: from ASUS.localdomain ([113.65.236.26]) by newxmesmtplogicsvrszb43-0.qq.com (NewEsmtp) with SMTP id 9BA9E4F8; Wed, 03 Jun 2026 09:38:58 +0800 X-QQ-mid: xmsmtpt1780450738tysv48m0g Message-ID: X-QQ-XMAILINFO: NbgegmlEc3Ju5pOB3fRqKTOD9eBJdafXTrNUI0qjSFln63dXziTGNx15JslQgQ 4tlLOerH4MCRNdu6MEGopSDRWJzfh8MKzpHqUJY5iljSGqPP1xlxu6d3xu98NiPokmPbQVShSxUu 8Ko1+9h1ikrL8h+OyWAZRcXzABKj3PSFX2tjas9laPj0NMN4tubhD1xWGnPN6QSY0X+Nm4G93UIy EiGKQ/NT+6Fcc5nX+6LZ9Pd+NRjc+QSgIJrgv4q8o6jmAWZaT2h/ETDCq/7XBwqMXCtkrQyZ9ON8 mqBEX4C3UyvxRWR3w/B7YHkb+yOxRPvklGY4KHO49py6QzwSouO1FsXhcl2RKQLqx23gKRV2FNEd 74hskD8aHRIDlc5ar1n0JDoeZbQO9cuRRM+4AjkEJI3eHbKWSwQb4vT3+rI8LK9Fd99isG2Skgbf D+3F5N+PGfIF1TBukwxsN7+ScO5JR+cxYvpwDuR0rZD3drNcdlxBHXYBrCJsSUz1PnH91qVgyqxv mJkhZtdjorDLcKzebf6xhBamQGsP3cPJf9YDVW6Hllg+mMXEGaHPkP5ypbnKAp9SV0jcM9s6232r RUlXNGn6AOEt8Fo+Ep9jcN1gaGojKS453pBd7oeKugAX9sD2t9jFfVcS026JTjaUzXOzF72VUr5N Ce89g3EnkBi5Xa4tRl+EIjHvv2dYuTzJf3yogmF7YMdyG9iNM5ehfiIyQ9VOEehVFwnubl/aJx82 6CUveth3iNeGYfDK322K1wv6sQoArVmx5IfZlV2PghoCWnbdfm0ymt20AXxoonkH6e9WtZBkqWSw gLv1G38uaNVORqQ8CAvMqIxMf9VnlUIMnBPYGjkeZh/KHt7M+FxJv6da2mkXBzIhB0A32v8/qjfK mTkzIHQAB6YTEeZ+9eiMHe0VkKFYHWagj43XFjSj0+Nb2HplNpaGMRMimkoVvUyXoZN3Pq581OJ4 d+irgPvVJOkdXkcEXJ8JDO1R0D8fgfxo+o/4lYz8JJMc58JVifFDIPMvA4RISUdMJZEOL7hcp+4K ESqKLCiYbUXmRBgWWl8Cy1gQCzqb+0JuOIqJbbkt7zN76Bh0DZexTRHFpL2UYKLNSlzeElF/JZaa edEa3RjYyak4yMAcra88y8oUuriIhs5KSdY9lyyq+1eURhh2A= X-QQ-XMRINFO: Nq+8W0+stu50tPAe92KXseR0ZZmBTk3gLg== From: steven To: dmitry.torokhov@gmail.com Cc: wens@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, steven Subject: [PATCH] Input: axp20x-pek - add support for AXP313A variant Date: Wed, 3 Jun 2026 09:38:54 +0800 X-OQ-MSGID: <20260603013854.554154-1-steven@joint-cloud.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add power button support for the AXP313A PMIC. The AXP313A does not have the PEK_KEY register (0x36) used to configure startup and shutdown timings, unlike AXP20X and AXP221. Create a dedicated axp313a_info configuration with NULL time tables to prevent regmap out-of-bounds access. The sysfs attributes (startup/shutdown) will return -EOPNOTSUPP when accessed on AXP313A devices. Signed-off-by: steven --- Changes in v2: - Fixed regmap out-of-bounds access issue reported by Sashiko AI - Created dedicated axp313a_info with NULL time tables - Added NULL pointer checks to prevent crashes - AXP313A lacks PEK_KEY (0x36) per datasheet verification - Power button still functional using hardware default timings v1: https://lore.kernel.org/all/tencent_5F1FF80489E702360F352F889570656BF60= 8@qq.com/ --- drivers/input/misc/axp20x-pek.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/input/misc/axp20x-pek.c b/drivers/input/misc/axp20x-pe= k.c index d4e2fc9a937f..de43eef0c0ea 100644 --- a/drivers/input/misc/axp20x-pek.c +++ b/drivers/input/misc/axp20x-pek.c @@ -85,6 +85,13 @@ static const struct axp20x_info axp221_info =3D { .shutdown_mask =3D AXP20X_PEK_SHUTDOWN_MASK, }; =20 +static const struct axp20x_info axp313a_info =3D { + .startup_time =3D NULL, + .startup_mask =3D 0, + .shutdown_time =3D NULL, + .shutdown_mask =3D 0, +}; + static ssize_t axp20x_show_attr(struct device *dev, const struct axp20x_time *time, unsigned int mask, char *buf) @@ -93,6 +100,9 @@ static ssize_t axp20x_show_attr(struct device *dev, unsigned int val; int ret, i; =20 + if (!time) + return -EOPNOTSUPP; + ret =3D regmap_read(axp20x_pek->axp20x->regmap, AXP20X_PEK_KEY, &val); if (ret !=3D 0) return ret; @@ -137,6 +147,9 @@ static ssize_t axp20x_store_attr(struct device *dev, unsigned int val, idx =3D 0; unsigned int best_err =3D UINT_MAX; =20 + if (!time) + return -EOPNOTSUPP; + ret =3D kstrtouint(buf, 10, &val); if (ret) return ret; @@ -395,7 +408,7 @@ static const struct platform_device_id axp_pek_id_match= [] =3D { }, { .name =3D "axp313a-pek", - .driver_data =3D (kernel_ulong_t)&axp20x_info, + .driver_data =3D (kernel_ulong_t)&axp313a_info, }, { /* sentinel */ } }; --=20 2.43.0