From: Alexandru Ardelean <ardeleanalex@gmail.com> To: Paul Cercueil <paul@crapouillou.net> Cc: "Jonathan Cameron" <jic23@kernel.org>, "Lars-Peter Clausen" <lars@metafoo.de>, "Michael Hennerich" <Michael.Hennerich@analog.com>, "Sumit Semwal" <sumit.semwal@linaro.org>, "Christian König" <christian.koenig@amd.com>, linux-iio <linux-iio@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Subject: Re: [PATCH 03/15] iio: buffer-dma: Use round_down() instead of rounddown() Date: Tue, 16 Nov 2021 10:26:18 +0200 [thread overview] Message-ID: <CA+U=DsrCPQhe4pqC4RReDFno1pazJYq9D89wuMnsLubUz-ytTw@mail.gmail.com> (raw) In-Reply-To: <20211115141925.60164-4-paul@crapouillou.net> On Mon, Nov 15, 2021 at 4:19 PM Paul Cercueil <paul@crapouillou.net> wrote: > > We know that the buffer's alignment will always be a power of two; > therefore, we can use the faster round_down() macro. > Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com> > Signed-off-by: Paul Cercueil <paul@crapouillou.net> > --- > drivers/iio/buffer/industrialio-buffer-dmaengine.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c > index 1ac94c4e9792..f8ce26a24c57 100644 > --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c > +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c > @@ -67,7 +67,7 @@ static int iio_dmaengine_buffer_submit_block(struct iio_dma_buffer_queue *queue, > dma_cookie_t cookie; > > block->bytes_used = min(block->size, dmaengine_buffer->max_size); > - block->bytes_used = rounddown(block->bytes_used, > + block->bytes_used = round_down(block->bytes_used, > dmaengine_buffer->align); > > desc = dmaengine_prep_slave_single(dmaengine_buffer->chan, > -- > 2.33.0 >
WARNING: multiple messages have this Message-ID (diff)
From: Alexandru Ardelean <ardeleanalex@gmail.com> To: Paul Cercueil <paul@crapouillou.net> Cc: "Michael Hennerich" <Michael.Hennerich@analog.com>, linux-iio <linux-iio@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, "Christian König" <christian.koenig@amd.com>, "Jonathan Cameron" <jic23@kernel.org>, linux-media@vger.kernel.org Subject: Re: [PATCH 03/15] iio: buffer-dma: Use round_down() instead of rounddown() Date: Tue, 16 Nov 2021 10:26:18 +0200 [thread overview] Message-ID: <CA+U=DsrCPQhe4pqC4RReDFno1pazJYq9D89wuMnsLubUz-ytTw@mail.gmail.com> (raw) In-Reply-To: <20211115141925.60164-4-paul@crapouillou.net> On Mon, Nov 15, 2021 at 4:19 PM Paul Cercueil <paul@crapouillou.net> wrote: > > We know that the buffer's alignment will always be a power of two; > therefore, we can use the faster round_down() macro. > Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com> > Signed-off-by: Paul Cercueil <paul@crapouillou.net> > --- > drivers/iio/buffer/industrialio-buffer-dmaengine.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c > index 1ac94c4e9792..f8ce26a24c57 100644 > --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c > +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c > @@ -67,7 +67,7 @@ static int iio_dmaengine_buffer_submit_block(struct iio_dma_buffer_queue *queue, > dma_cookie_t cookie; > > block->bytes_used = min(block->size, dmaengine_buffer->max_size); > - block->bytes_used = rounddown(block->bytes_used, > + block->bytes_used = round_down(block->bytes_used, > dmaengine_buffer->align); > > desc = dmaengine_prep_slave_single(dmaengine_buffer->chan, > -- > 2.33.0 >
next prev parent reply other threads:[~2021-11-16 8:26 UTC|newest] Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-15 14:19 [PATCH 00/15] iio: buffer-dma: write() and new DMABUF based API Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-15 14:19 ` [PATCH 01/15] iio: buffer-dma: Get rid of incoming/outgoing queues Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-16 8:23 ` Alexandru Ardelean 2021-11-16 8:23 ` Alexandru Ardelean 2021-11-21 14:05 ` Jonathan Cameron 2021-11-21 14:05 ` Jonathan Cameron 2021-11-21 16:23 ` Lars-Peter Clausen 2021-11-21 16:23 ` Lars-Peter Clausen 2021-11-21 17:52 ` Paul Cercueil 2021-11-21 17:52 ` Paul Cercueil 2021-11-21 18:49 ` Lars-Peter Clausen 2021-11-21 18:49 ` Lars-Peter Clausen 2021-11-21 20:08 ` Paul Cercueil 2021-11-21 20:08 ` Paul Cercueil 2021-11-22 15:08 ` Lars-Peter Clausen 2021-11-22 15:08 ` Lars-Peter Clausen 2021-11-22 15:16 ` Paul Cercueil 2021-11-22 15:16 ` Paul Cercueil 2021-11-22 15:17 ` Lars-Peter Clausen 2021-11-22 15:17 ` Lars-Peter Clausen 2021-11-22 15:27 ` Paul Cercueil 2021-11-22 15:27 ` Paul Cercueil 2021-11-15 14:19 ` [PATCH 02/15] iio: buffer-dma: Remove unused iio_buffer_block struct Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-16 8:22 ` Alexandru Ardelean 2021-11-16 8:22 ` Alexandru Ardelean 2021-11-15 14:19 ` [PATCH 03/15] iio: buffer-dma: Use round_down() instead of rounddown() Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-16 8:26 ` Alexandru Ardelean [this message] 2021-11-16 8:26 ` Alexandru Ardelean 2021-11-21 14:08 ` Jonathan Cameron 2021-11-21 14:08 ` Jonathan Cameron 2021-11-22 10:00 ` Paul Cercueil 2021-11-22 10:00 ` Paul Cercueil 2021-11-27 15:15 ` Jonathan Cameron 2021-11-27 15:15 ` Jonathan Cameron 2021-11-15 14:19 ` [PATCH 04/15] iio: buffer-dma: Enable buffer write support Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-16 8:52 ` Alexandru Ardelean 2021-11-16 8:52 ` Alexandru Ardelean 2021-11-21 14:20 ` Jonathan Cameron 2021-11-21 14:20 ` Jonathan Cameron 2021-11-21 17:19 ` Paul Cercueil 2021-11-21 17:19 ` Paul Cercueil 2021-11-27 15:17 ` Jonathan Cameron 2021-11-27 15:17 ` Jonathan Cameron 2021-11-15 14:19 ` [PATCH 05/15] iio: buffer-dmaengine: Support specifying buffer direction Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-16 8:53 ` Alexandru Ardelean 2021-11-16 8:53 ` Alexandru Ardelean 2021-11-15 14:19 ` [PATCH 06/15] iio: buffer-dmaengine: Enable write support Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-16 8:55 ` Alexandru Ardelean 2021-11-16 8:55 ` Alexandru Ardelean 2021-11-15 14:19 ` [PATCH 07/15] iio: core: Add new DMABUF interface infrastructure Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-21 14:31 ` Jonathan Cameron 2021-11-21 14:31 ` Jonathan Cameron 2021-11-15 14:19 ` [PATCH 08/15] iio: buffer-dma: split iio_dma_buffer_fileio_free() function Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-16 10:59 ` Alexandru Ardelean 2021-11-16 10:59 ` Alexandru Ardelean 2021-11-21 13:49 ` Jonathan Cameron 2021-11-21 13:49 ` Jonathan Cameron 2021-11-15 14:19 ` [PATCH 09/15] iio: buffer-dma: Use DMABUFs instead of custom solution Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-15 14:19 ` [PATCH 10/15] iio: buffer-dma: Implement new DMABUF based userspace API Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-15 14:19 ` [PATCH 11/15] iio: buffer-dma: Boost performance using write-combine cache setting Paul Cercueil 2021-11-15 14:19 ` Paul Cercueil 2021-11-18 11:45 ` Paul Cercueil 2021-11-18 11:45 ` Paul Cercueil 2021-11-21 15:00 ` Jonathan Cameron 2021-11-21 15:00 ` Jonathan Cameron 2021-11-21 17:43 ` Paul Cercueil 2021-11-21 17:43 ` Paul Cercueil 2021-11-25 17:29 ` Paul Cercueil 2021-11-25 17:29 ` Paul Cercueil 2021-11-27 16:05 ` Jonathan Cameron 2021-11-27 16:05 ` Jonathan Cameron 2021-11-28 13:25 ` Lars-Peter Clausen 2021-11-28 13:25 ` Lars-Peter Clausen 2021-11-27 15:20 ` Jonathan Cameron 2021-11-27 15:20 ` Jonathan Cameron 2021-11-15 14:22 ` [PATCH 12/15] iio: buffer-dmaengine: Support new DMABUF based userspace API Paul Cercueil 2021-11-15 14:22 ` Paul Cercueil 2021-11-15 14:22 ` [PATCH 13/15] iio: core: Add support for cyclic buffers Paul Cercueil 2021-11-15 14:22 ` Paul Cercueil 2021-11-16 9:50 ` Alexandru Ardelean 2021-11-16 9:50 ` Alexandru Ardelean 2021-11-15 14:22 ` [PATCH 14/15] iio: buffer-dmaengine: " Paul Cercueil 2021-11-15 14:22 ` Paul Cercueil 2021-11-16 9:50 ` Alexandru Ardelean 2021-11-16 9:50 ` Alexandru Ardelean 2021-11-15 14:22 ` [PATCH 15/15] Documentation: iio: Document high-speed DMABUF based API Paul Cercueil 2021-11-15 14:22 ` Paul Cercueil 2021-11-21 15:10 ` Jonathan Cameron 2021-11-21 15:10 ` Jonathan Cameron 2021-11-21 17:46 ` Paul Cercueil 2021-11-21 17:46 ` Paul Cercueil 2021-11-15 14:37 ` [PATCH 00/15] iio: buffer-dma: write() and new " Daniel Vetter 2021-11-15 14:37 ` Daniel Vetter 2021-11-15 14:57 ` Paul Cercueil 2021-11-15 14:57 ` Paul Cercueil 2021-11-16 16:02 ` Daniel Vetter 2021-11-16 16:02 ` Daniel Vetter 2021-11-16 16:31 ` Laurent Pinchart 2021-11-16 16:31 ` Laurent Pinchart 2021-11-17 8:48 ` Christian König 2021-11-17 8:48 ` Christian König 2021-11-17 12:50 ` Paul Cercueil 2021-11-17 12:50 ` Paul Cercueil 2021-11-17 13:42 ` Hennerich, Michael 2021-11-17 13:42 ` Hennerich, Michael 2021-11-21 13:57 ` Jonathan Cameron 2021-11-21 13:57 ` Jonathan Cameron
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