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authorLinus Torvalds <torvalds@linux-foundation.org>2014-12-11 12:03:34 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-11 12:03:34 -0800
commitb859e7d13bcc18b56faa7e2f78db5ba8ab874a15 (patch)
tree2762ac481bc2b2a472832473b888fff3d7d9b9d4 /drivers/spi/spi-mxs.c
parent709d9f09b6aee5828cb8f168f63030608176cd0e (diff)
parent0e647037fed5632e7c5989ec359ab84c676888ac (diff)
downloadlinux-next-b859e7d13bcc18b56faa7e2f78db5ba8ab874a15.tar.gz
Merge tag 'spi-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown: "Not a huge amount going on this release, mainly new drivers (there's a couple more waiting that didn't quite make the cut for this release too): - An interface for querying if the current transfer is the last in a message, allowing controllers that need special handling for the final transfer to use the core message parsing. - Support for Amlogic Meson SPIFC, Imagination Technologies SFPI, Intel Quark X1000 and Samsung Exynos 7 controllers" * tag 'spi-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (38 commits) spi/s3c64xx: Remove redundant runtime PM management spi: fsl-spi: remove unused variable assignment spi: spi-fsl-spi: Return an error code in fsl_spi_do_one_msg() spi: core: Do not mangle error code from kthread_run() spi: fsl-espi: add (un)prepare_transfer_hardware calls to save power if SPI is not in use spi: fsl-(e)spi: migrate to generic master queueing spi/txx9: Deletion of an unnecessary check before the function call "clk_disable" spi: cadence: Fix 3-to-8 mux mode spi: cadence: Init HW after reading devicetree attributes spi: meson: Select REGMAP_MMIO spi: s3c64xx: add support for exynos7 SPI controller spi: spi-pxa2xx: SPI support for Intel Quark X1000 spi: meson: meson_spifc_setup_speed() can be static spi: spi-pxa2xx: Add helpers for regiseters' accessing spi: spi-mxs: Fix mapping from vmalloc-ed buffer to scatter list spi: atmel: introduce probe deferring spi: atmel: remove compat for non DT board when requesting dma chan spi: meson: Add support for Amlogic Meson SPIFC spi: meson: Add device tree bindings documentation for SPIFC spi: core: Add spi_transfer_is_last() helper ...
Diffstat (limited to 'drivers/spi/spi-mxs.c')
-rw-r--r--drivers/spi/spi-mxs.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
index 51460878af04..06a11546a1a7 100644
--- a/drivers/spi/spi-mxs.c
+++ b/drivers/spi/spi-mxs.c
@@ -182,7 +182,6 @@ static int mxs_spi_txrx_dma(struct mxs_spi *spi,
int min, ret;
u32 ctrl0;
struct page *vm_page;
- void *sg_buf;
struct {
u32 pio[4];
struct scatterlist sg;
@@ -232,13 +231,14 @@ static int mxs_spi_txrx_dma(struct mxs_spi *spi,
ret = -ENOMEM;
goto err_vmalloc;
}
- sg_buf = page_address(vm_page) +
- ((size_t)buf & ~PAGE_MASK);
+
+ sg_init_table(&dma_xfer[sg_count].sg, 1);
+ sg_set_page(&dma_xfer[sg_count].sg, vm_page,
+ min, offset_in_page(buf));
} else {
- sg_buf = buf;
+ sg_init_one(&dma_xfer[sg_count].sg, buf, min);
}
- sg_init_one(&dma_xfer[sg_count].sg, sg_buf, min);
ret = dma_map_sg(ssp->dev, &dma_xfer[sg_count].sg, 1,
(flags & TXRX_WRITE) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
@@ -511,7 +511,7 @@ static int mxs_spi_probe(struct platform_device *pdev)
init_completion(&spi->c);
ret = devm_request_irq(&pdev->dev, irq_err, mxs_ssp_irq_handler, 0,
- DRIVER_NAME, ssp);
+ dev_name(&pdev->dev), ssp);
if (ret)
goto out_master_free;