From: Alexandru Ardelean <alexandru.ardelean@analog.com> To: <linux-iio@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-stm32@st-md-mailman.stormreply.com>, <linux-kernel@vger.kernel.org> Cc: <ludovic.desroches@microchip.com>, <eugen.hristev@microchip.com>, <jic23@kernel.org>, <nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>, <alexandre.torgue@st.com>, <mcoquelin.stm32@gmail.com>, <ak@it-klinger.de>, Alexandru Ardelean <alexandru.ardelean@analog.com> Subject: [PATCH v2 7/8] iio: core: simplify alloc alignment code Date: Thu, 14 May 2020 16:17:09 +0300 [thread overview] Message-ID: <20200514131710.84201-8-alexandru.ardelean@analog.com> (raw) In-Reply-To: <20200514131710.84201-1-alexandru.ardelean@analog.com> There was a recent discussion about this code: https://lore.kernel.org/linux-iio/20200322165317.0b1f0674@archlinux/ This looks like a good time to rework this, since any issues about it should pop-up under testing, because the iio_dev is having a bit of an overhaul and stuff being moved to iio_dev_priv. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> --- drivers/iio/industrialio-core.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index a1b29e0f8fd6..7671d36efae7 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -1514,13 +1514,9 @@ struct iio_dev *iio_device_alloc(int sizeof_priv) struct iio_dev *dev; size_t alloc_size; - alloc_size = sizeof(struct iio_dev_opaque); - if (sizeof_priv) { - alloc_size = ALIGN(alloc_size, IIO_ALIGN); - alloc_size += sizeof_priv; - } - /* ensure 32-byte alignment of whole construct ? */ - alloc_size += IIO_ALIGN - 1; + alloc_size = ALIGN(sizeof(struct iio_dev_opaque), IIO_ALIGN); + if (sizeof_priv) + alloc_size += ALIGN(sizeof_priv, IIO_ALIGN); iio_dev_opaque = kzalloc(alloc_size, GFP_KERNEL); if (!iio_dev_opaque) -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Alexandru Ardelean <alexandru.ardelean@analog.com> To: <linux-iio@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-stm32@st-md-mailman.stormreply.com>, <linux-kernel@vger.kernel.org> Cc: alexandre.belloni@bootlin.com, alexandre.torgue@st.com, ludovic.desroches@microchip.com, ak@it-klinger.de, mcoquelin.stm32@gmail.com, eugen.hristev@microchip.com, Alexandru Ardelean <alexandru.ardelean@analog.com>, jic23@kernel.org Subject: [PATCH v2 7/8] iio: core: simplify alloc alignment code Date: Thu, 14 May 2020 16:17:09 +0300 [thread overview] Message-ID: <20200514131710.84201-8-alexandru.ardelean@analog.com> (raw) In-Reply-To: <20200514131710.84201-1-alexandru.ardelean@analog.com> There was a recent discussion about this code: https://lore.kernel.org/linux-iio/20200322165317.0b1f0674@archlinux/ This looks like a good time to rework this, since any issues about it should pop-up under testing, because the iio_dev is having a bit of an overhaul and stuff being moved to iio_dev_priv. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> --- drivers/iio/industrialio-core.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index a1b29e0f8fd6..7671d36efae7 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -1514,13 +1514,9 @@ struct iio_dev *iio_device_alloc(int sizeof_priv) struct iio_dev *dev; size_t alloc_size; - alloc_size = sizeof(struct iio_dev_opaque); - if (sizeof_priv) { - alloc_size = ALIGN(alloc_size, IIO_ALIGN); - alloc_size += sizeof_priv; - } - /* ensure 32-byte alignment of whole construct ? */ - alloc_size += IIO_ALIGN - 1; + alloc_size = ALIGN(sizeof(struct iio_dev_opaque), IIO_ALIGN); + if (sizeof_priv) + alloc_size += ALIGN(sizeof_priv, IIO_ALIGN); iio_dev_opaque = kzalloc(alloc_size, GFP_KERNEL); if (!iio_dev_opaque) -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-05-14 13:18 UTC|newest] Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-05-14 13:17 [PATCH v2 0/8] iio: core: wrap IIO device into an iio_dev_opaque object Alexandru Ardelean 2020-05-14 13:17 ` Alexandru Ardelean 2020-05-14 13:17 ` [PATCH v2 1/8] iio: proximity: ping: pass reference to IIO device via call-stack Alexandru Ardelean 2020-05-14 13:17 ` Alexandru Ardelean 2020-05-16 17:12 ` Jonathan Cameron 2020-05-16 17:12 ` Jonathan Cameron 2020-05-14 13:17 ` [PATCH v2 2/8] iio: at91-sama5d2_adc: pass ref to IIO device via param for int function Alexandru Ardelean 2020-05-14 13:17 ` Alexandru Ardelean 2020-05-16 17:15 ` Jonathan Cameron 2020-05-16 17:15 ` Jonathan Cameron 2020-05-14 13:17 ` [PATCH v2 3/8] iio: at91_adc: " Alexandru Ardelean 2020-05-14 13:17 ` Alexandru Ardelean 2020-05-16 17:17 ` Jonathan Cameron 2020-05-16 17:17 ` Jonathan Cameron 2020-05-18 8:32 ` Ardelean, Alexandru 2020-05-18 8:32 ` Ardelean, Alexandru 2020-05-21 18:19 ` Jonathan Cameron 2020-05-21 18:19 ` Jonathan Cameron 2020-05-14 13:17 ` [PATCH v2 4/8] iio: stm32-dfsdm-adc: pass iio device as arg for the interrupt handler Alexandru Ardelean 2020-05-14 13:17 ` Alexandru Ardelean 2020-05-16 17:20 ` Jonathan Cameron 2020-05-16 17:20 ` Jonathan Cameron 2020-05-14 13:17 ` [PATCH v2 5/8] iio: stm32-adc: " Alexandru Ardelean 2020-05-14 13:17 ` Alexandru Ardelean 2020-05-16 17:21 ` Jonathan Cameron 2020-05-16 17:21 ` Jonathan Cameron 2020-05-14 13:17 ` [PATCH v2 6/8] iio: core: wrap IIO device into an iio_dev_opaque object Alexandru Ardelean 2020-05-14 13:17 ` Alexandru Ardelean 2020-05-16 17:28 ` Jonathan Cameron 2020-05-16 17:28 ` Jonathan Cameron 2020-05-14 13:17 ` Alexandru Ardelean [this message] 2020-05-14 13:17 ` [PATCH v2 7/8] iio: core: simplify alloc alignment code Alexandru Ardelean 2020-05-15 7:12 ` Sa, Nuno 2020-05-15 7:12 ` Sa, Nuno 2020-05-15 11:47 ` Ardelean, Alexandru 2020-05-15 11:47 ` Ardelean, Alexandru 2020-05-15 12:37 ` Sa, Nuno 2020-05-15 12:37 ` Sa, Nuno 2020-05-16 17:30 ` Jonathan Cameron 2020-05-16 17:30 ` Jonathan Cameron 2020-05-14 13:17 ` [PATCH v2 8/8] iio: core: move debugfs data on the private iio dev info Alexandru Ardelean 2020-05-14 13:17 ` Alexandru Ardelean 2020-05-22 6:58 ` [PATCH v2 0/8] iio: core: wrap IIO device into an iio_dev_opaque object Ardelean, Alexandru 2020-05-22 6:58 ` Ardelean, Alexandru
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