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From:   Daniel Campello <campello@chromium.org>
To:     LKML <devicetree@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>
Cc:     Jonathan Cameron <jic23@kernel.org>,
        Daniel Campello <campello@chromium.org>,
        Douglas Anderson <dianders@chromium.org>,
        Enrico Granata <egranata@chromium.org>,
        Gwendal Grignou <gwendal@chromium.org>,
        Hartmut Knaack <knaack.h@gmx.de>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
        Stephen Boyd <swboyd@chromium.org>, linux-iio@vger.kernel.org
Subject: [PATCH 06/15] iio: sx9310: Align memory
Date:   Tue, 28 Jul 2020 09:12:49 -0600
Message-Id: <20200728091057.6.I27a5605d9cb3ff643ef040c4ef932a30df9a8fac@changeid>
In-Reply-To: <20200728151258.1222876-1-campello@chromium.org>
References: <20200724183954.1.I2e29ae25368ba8a72a9e44121cfbc36ead8ecc6b@changeid>
 <20200728151258.1222876-1-campello@chromium.org>
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Use __aligned(8) to ensure that the timestamp is correctly aligned
when we call push_to_buffers

Signed-off-by: Daniel Campello <campello@chromium.org>
---

 drivers/iio/proximity/sx9310.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/proximity/sx9310.c b/drivers/iio/proximity/sx9310.c
index de52afd7c13333..fb5c16f2aa6b1a 100644
--- a/drivers/iio/proximity/sx9310.c
+++ b/drivers/iio/proximity/sx9310.c
@@ -131,8 +131,8 @@ struct sx9310_data {
 	 */
 	bool prox_stat[SX9310_NUM_CHANNELS];
 	bool trigger_enabled;
-	__be16 buffer[SX9310_NUM_CHANNELS +
-		      4]; /* 64-bit data + 64-bit timestamp */
+	/* 64-bit data + 64-bit timestamp buffer */
+	__be16 buffer[SX9310_NUM_CHANNELS + 4] __aligned(8);
 	/* Remember enabled channels and sample rate during suspend. */
 	unsigned int suspend_ctrl0;
 	struct completion completion;
@@ -339,7 +339,7 @@ static int sx9310_read_prox_data(struct sx9310_data *data,
 	if (ret < 0)
 		return ret;
 
-	return regmap_bulk_read(data->regmap, chan->address, val, 2);
+	return regmap_bulk_read(data->regmap, chan->address, val, sizeof(*val));
 }
 
 /*
-- 
2.28.0.rc0.142.g3c755180ce-goog