From nobody Fri Apr 3 04:58:12 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 E362A2D5C74; Tue, 17 Feb 2026 10:23:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771323808; cv=none; b=Y/fj4qu6U7FSK/15eTckmhJ/K5ooGyg3amG7SwzRin8gqeddq3jZQRf1MEgidP1JzYGfE6KDiSpB9M5MaE60WasXEHxLtuhT4DAaHIl5EvN0ciQS2vTmWWm0u01IdF3fPomRX+TJ74V+I5pOi9RSVgP/1Wr2dfGECb6+ZaEryBw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771323808; c=relaxed/simple; bh=rX1P69sdtaumgGfAdEzd/kpdfyrC/RaYgdKXlWIuJ8U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MhdFH8BxyB11GTNnC0XNHpAxhl3TFIrRVemIzff0MwhUhggAxIjB0PRPmPZ8n6kiAfXhAxCwSrGiIWxqfyfhEuVnGZOVAesQADueruviqxcgw/0IIIycS4pJbAn+ggv1/Aa0+fHBkEwc6+9e2ZPdNujcph5P1Sn7HwIrvSSjDQo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=MbGyUjJa; arc=none smtp.client-ip=198.175.65.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="MbGyUjJa" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771323807; x=1802859807; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rX1P69sdtaumgGfAdEzd/kpdfyrC/RaYgdKXlWIuJ8U=; b=MbGyUjJadeCdFtGJNpmLVAnCmG6WWnfQga5K+h44x6vuKumkkXgH9k4j au9UsyNWvg27ekN1JiFLzrVXxE5sxnfgSQ3f7rvCm0YGNY8S0KNwgEIEv QLYA3FWvRBALT4WCb8f7E4Q8/c4lDflP07F+Il2NcDetNjB89IkRl1cJu 2ii2auockwpnW01t7Gt0SRrHTkL7ss9L0+rnIUwZDArAh4veP1L3fvLXC xDjJKfUj8+caOVnKbMUCtAg2gXZe4j/hpMyoy593EtxZz9p+ws1m/93/F Cr1FIkuWSf+pSBfhJdeI6QmIjGuZThn5izNd09T7IUj6K3OlVE+oWN8dr Q==; X-CSE-ConnectionGUID: HAQMYdgVR/WroJsWNeJKeg== X-CSE-MsgGUID: kuZZogovQy6kV/r2SgfimA== X-IronPort-AV: E=McAfee;i="6800,10657,11703"; a="72099164" X-IronPort-AV: E=Sophos;i="6.21,296,1763452800"; d="scan'208";a="72099164" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Feb 2026 02:23:26 -0800 X-CSE-ConnectionGUID: jF7FbONaQhmTMFtRJATJwQ== X-CSE-MsgGUID: yYUJ/SG2ScyDil2WqQioqg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,296,1763452800"; d="scan'208";a="236851651" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa002.fm.intel.com with ESMTP; 17 Feb 2026 02:23:24 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 54B0899; Tue, 17 Feb 2026 11:23:23 +0100 (CET) From: Andy Shevchenko To: Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jonathan Cameron , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Ethan Tidmore Subject: [PATCH v1 1/7] iio: light: gp2ap020a00f: Use correct types for 16-bit LE data Date: Tue, 17 Feb 2026 11:15:11 +0100 Message-ID: <20260217102318.1354103-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260217102318.1354103-1-andriy.shevchenko@linux.intel.com> References: <20260217102318.1354103-1-andriy.shevchenko@linux.intel.com> 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" Instead of using byte arrays and then explicit castings, change the types of byte arrays to be __le16 and update the endianness conversions accordingly. Signed-off-by: Andy Shevchenko --- drivers/iio/light/gp2ap020a00f.c | 23 +++++++++++------------ 1 file changed, 11 insertions(+), 12 deletions(-) diff --git a/drivers/iio/light/gp2ap020a00f.c b/drivers/iio/light/gp2ap020a= 00f.c index fae7605f2f5c..6f75c845f258 100644 --- a/drivers/iio/light/gp2ap020a00f.c +++ b/drivers/iio/light/gp2ap020a00f.c @@ -462,7 +462,7 @@ static int gp2ap020a00f_write_event_threshold(struct gp= 2ap020a00f_data *data, =20 return regmap_bulk_write(data->regmap, GP2AP020A00F_THRESH_REG(th_val_id), - (u8 *)&thresh_buf, 2); + &thresh_buf, sizeof(thresh_buf)); } =20 static int gp2ap020a00f_alter_opmode(struct gp2ap020a00f_data *data, @@ -698,18 +698,18 @@ static int wait_conversion_complete_irq(struct gp2ap0= 20a00f_data *data) static int gp2ap020a00f_read_output(struct gp2ap020a00f_data *data, unsigned int output_reg, int *val) { - u8 reg_buf[2]; + __le16 reg_buf; int err; =20 err =3D wait_conversion_complete_irq(data); if (err < 0) dev_dbg(&data->client->dev, "data ready timeout\n"); =20 - err =3D regmap_bulk_read(data->regmap, output_reg, reg_buf, 2); + err =3D regmap_bulk_read(data->regmap, output_reg, ®_buf, sizeof(reg_b= uf)); if (err < 0) return err; =20 - *val =3D le16_to_cpup((__le16 *)reg_buf); + *val =3D le16_to_cpu(reg_buf); =20 return err; } @@ -867,8 +867,9 @@ static irqreturn_t gp2ap020a00f_thresh_event_handler(in= t irq, void *data) { struct iio_dev *indio_dev =3D data; struct gp2ap020a00f_data *priv =3D iio_priv(indio_dev); - u8 op_reg_flags, d0_reg_buf[2]; unsigned int output_val, op_reg_val; + __le16 d0_reg_buf; + u8 op_reg_flags; int thresh_val_id, ret; =20 /* Read interrupt flags */ @@ -896,11 +897,11 @@ static irqreturn_t gp2ap020a00f_thresh_event_handler(= int irq, void *data) * transition is required. */ ret =3D regmap_bulk_read(priv->regmap, GP2AP020A00F_D0_L_REG, - d0_reg_buf, 2); + &d0_reg_buf, sizeof(d0_reg_buf)); if (ret < 0) goto done; =20 - output_val =3D le16_to_cpup((__le16 *)d0_reg_buf); + output_val =3D le16_to_cpu(d0_reg_buf); =20 if (gp2ap020a00f_adjust_lux_mode(priv, output_val)) goto done; @@ -967,17 +968,15 @@ static irqreturn_t gp2ap020a00f_trigger_handler(int i= rq, void *data) int i, out_val, ret; =20 iio_for_each_active_channel(indio_dev, i) { - ret =3D regmap_bulk_read(priv->regmap, - GP2AP020A00F_DATA_REG(i), - &priv->buffer[d_size], 2); + ret =3D regmap_bulk_read(priv->regmap, GP2AP020A00F_DATA_REG(i), + &priv->buffer[d_size], 2); if (ret < 0) goto done; =20 if (i =3D=3D GP2AP020A00F_SCAN_MODE_LIGHT_CLEAR || i =3D=3D GP2AP020A00F_SCAN_MODE_LIGHT_IR) { - out_val =3D le16_to_cpup((__le16 *)&priv->buffer[d_size]); + out_val =3D get_unaligned_le16(&priv->buffer[d_size]); gp2ap020a00f_output_to_lux(priv, &out_val); - put_unaligned_le32(out_val, &priv->buffer[d_size]); d_size +=3D 4; } else { --=20 2.50.1