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Date: Thu, 12 Jan 2017 17:46:23 +0000 From: Mark Brown <broonie@...nel.org> To: Kevin Hilman <khilman@...libre.com> Cc: Mark Brown <broonie@...nel.org>, Mark Brown <broonie@...nel.org>, Sekhar Nori <nsekhar@...com>, Axel Haslam <ahaslam@...libre.com>, Bartosz Gołaszewski <bgolaszewski@...libre.com>, Alexandre Bailon <abailon@...libre.com>, David Lechner <david@...hnology.com>, Patrick Titiano <ptitiano@...libre.com>, Fabien Parent <fparent@...libre.com>, "open list:SPI SUBSYSTEM" <linux-spi@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>, linux-spi@...r.kernel.org Subject: Applied "spi: davinci: use dma_mapping_error()" to the spi tree The patch spi: davinci: use dma_mapping_error() has been applied to the spi tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark >From c5a2a394835f473ae23931eda5066d3771d7b2f8 Mon Sep 17 00:00:00 2001 From: Kevin Hilman <khilman@...libre.com> Date: Wed, 11 Jan 2017 18:18:40 -0800 Subject: [PATCH] spi: davinci: use dma_mapping_error() The correct error checking for dma_map_single() is to use dma_mapping_error(). Signed-off-by: Kevin Hilman <khilman@...libre.com> Signed-off-by: Mark Brown <broonie@...nel.org> --- drivers/spi/spi-davinci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index d36c11b73a35..02fb96797ac8 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -646,7 +646,7 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t) buf = t->rx_buf; t->rx_dma = dma_map_single(&spi->dev, buf, t->len, DMA_FROM_DEVICE); - if (!t->rx_dma) { + if (dma_mapping_error(&spi->dev, !t->rx_dma)) { ret = -EFAULT; goto err_rx_map; } @@ -660,7 +660,7 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t) buf = (void *)t->tx_buf; t->tx_dma = dma_map_single(&spi->dev, buf, t->len, DMA_TO_DEVICE); - if (!t->tx_dma) { + if (dma_mapping_error(&spi->dev, t->tx_dma)) { ret = -EFAULT; goto err_tx_map; } -- 2.11.0
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