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torvaldstorvalds
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Merge tag 'dmaengine-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul: - Big pile of __counted_by attribute annotations to several structures for bounds checking of flexible arrays at run-time - Another big pile platform remove callback returning void changes - Device tree device_get_match_data() usage and dropping of_match_device() calls - Minor driver updates to pxa, idxd fsl, hisi etc drivers * tag 'dmaengine-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (106 commits) dmaengine: stm32-mdma: correct desc prep when channel running dmaengine: dw-axi-dmac: Add support DMAX_NUM_CHANNELS > 16 dmaengine: xilinx: xilinx_dma: Fix kernel doc about xilinx_dma_remove() dmaengine: mmp_tdma: drop unused variable 'of_id' MAINTAINERS: Add entries for NXP(Freescale) eDMA drivers dmaengine: xilinx: xdma: Support cyclic transfers dmaengine: xilinx: xdma: Prepare the introduction of cyclic transfers dmaengine: Drop unnecessary of_match_device() calls dmaengine: Use device_get_match_data() dmaengine: pxa_dma: Annotate struct pxad_desc_sw with __counted_by dmaengine: pxa_dma: Remove an erroneous BUG_ON() in pxad_free_desc() dmaengine: xilinx: xdma: Use resource_size() in xdma_probe() dmaengine: fsl-dpaa2-qdma: Remove redundant initialization owner in dpaa2_qdma_driver dmaengine: Remove unused declaration dma_chan_cleanup() dmaengine: mmp: fix Wvoid-pointer-to-enum-cast warning dmaengine: qcom: fix Wvoid-pointer-to-enum-cast warning dmaengine: fsl-edma: Remove redundant dev_err() for platform_get_irq() dmaengine: ep93xx_dma: Annotate struct ep93xx_dma_engine with __counted_by dmaengine: idxd: add wq driver name support for accel-config user tool dmaengine: fsl-edma: Annotate struct struct fsl_edma_engine with __counted_by ...
2 parents 2c40c1c + 03f25d5 commit d934aef

83 files changed

Lines changed: 580 additions & 428 deletions

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‎Documentation/ABI/stable/sysfs-driver-dma-idxd‎

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@@ -270,6 +270,12 @@ Description: Shows the operation capability bits displayed in bitmap format
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correlates to the operations allowed. It's visible only
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on platforms that support the capability.
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What: /sys/bus/dsa/devices/wq<m>.<n>/driver_name
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Date: Sept 8, 2023
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KernelVersion: 6.7.0
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Contact: dmaengine@vger.kernel.org
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Description: Name of driver to be bounded to the wq.
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What: /sys/bus/dsa/devices/engine<m>.<n>/group_id
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Date: Oct 25, 2019
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KernelVersion: 5.6.0

‎Documentation/devicetree/bindings/dma/qcom,gpi.yaml‎

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@@ -69,6 +69,8 @@ properties:
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dma-channel-mask:
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maxItems: 1
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dma-coherent: true
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required:
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- compatible
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- reg

‎MAINTAINERS‎

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@@ -8338,6 +8338,14 @@ F: Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
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F: drivers/spi/spi-fsl-dspi.c
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F: include/linux/spi/spi-fsl-dspi.h
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FREESCALE eDMA DRIVER
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M: Frank Li <Frank.Li@nxp.com>
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L: imx@lists.linux.dev
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L: dmaengine@vger.kernel.org
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S: Maintained
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F: Documentation/devicetree/bindings/dma/fsl,edma.yaml
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F: drivers/dma/fsl-edma*.*
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FREESCALE ENETC ETHERNET DRIVERS
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M: Claudiu Manoil <claudiu.manoil@nxp.com>
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M: Vladimir Oltean <vladimir.oltean@nxp.com>

‎drivers/dma/Kconfig‎

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@@ -362,7 +362,7 @@ config INTEL_IOATDMA
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config K3_DMA
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tristate "Hisilicon K3 DMA support"
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depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
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depends on ARCH_HISI || COMPILE_TEST
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help

‎drivers/dma/altera-msgdma.c‎

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@@ -923,7 +923,7 @@ static int msgdma_probe(struct platform_device *pdev)
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*
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* Return: Always '0'
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*/
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static int msgdma_remove(struct platform_device *pdev)
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static void msgdma_remove(struct platform_device *pdev)
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{
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struct msgdma_device *mdev = platform_get_drvdata(pdev);
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@@ -933,8 +933,6 @@ static int msgdma_remove(struct platform_device *pdev)
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msgdma_dev_remove(mdev);
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dev_notice(&pdev->dev, "Altera mSGDMA driver removed\n");
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return 0;
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}
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#ifdef CONFIG_OF
@@ -952,7 +950,7 @@ static struct platform_driver msgdma_driver = {
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.of_match_table = of_match_ptr(msgdma_match),
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},
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.probe = msgdma_probe,
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.remove = msgdma_remove,
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.remove_new = msgdma_remove,
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};
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module_platform_driver(msgdma_driver);

‎drivers/dma/apple-admac.c‎

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@@ -128,7 +128,7 @@ struct admac_data {
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int irq;
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int irq_index;
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int nchannels;
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struct admac_chan channels[];
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struct admac_chan channels[] __counted_by(nchannels);
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};
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struct admac_tx {
@@ -925,16 +925,14 @@ static int admac_probe(struct platform_device *pdev)
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return err;
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}
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static int admac_remove(struct platform_device *pdev)
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static void admac_remove(struct platform_device *pdev)
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{
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struct admac_data *ad = platform_get_drvdata(pdev);
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of_dma_controller_free(pdev->dev.of_node);
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dma_async_device_unregister(&ad->dma);
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free_irq(ad->irq, ad);
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reset_control_rearm(ad->rstc);
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return 0;
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}
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static const struct of_device_id admac_of_match[] = {
@@ -949,7 +947,7 @@ static struct platform_driver apple_admac_driver = {
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.of_match_table = admac_of_match,
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},
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.probe = admac_probe,
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.remove = admac_remove,
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.remove_new = admac_remove,
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};
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module_platform_driver(apple_admac_driver);
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‎drivers/dma/at_hdmac.c‎

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@@ -239,7 +239,7 @@ struct at_desc {
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bool memset_buffer;
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dma_addr_t memset_paddr;
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int *memset_vaddr;
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struct atdma_sg sg[];
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struct atdma_sg sg[] __counted_by(sglen);
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};
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/*-- Channels --------------------------------------------------------*/
@@ -2100,7 +2100,7 @@ static int __init at_dma_probe(struct platform_device *pdev)
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return err;
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}
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static int at_dma_remove(struct platform_device *pdev)
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static void at_dma_remove(struct platform_device *pdev)
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{
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struct at_dma *atdma = platform_get_drvdata(pdev);
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struct dma_chan *chan, *_chan;
@@ -2122,8 +2122,6 @@ static int at_dma_remove(struct platform_device *pdev)
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}
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clk_disable_unprepare(atdma->clk);
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return 0;
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}
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static void at_dma_shutdown(struct platform_device *pdev)
@@ -2242,7 +2240,7 @@ static const struct dev_pm_ops __maybe_unused at_dma_dev_pm_ops = {
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};
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static struct platform_driver at_dma_driver = {
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.remove = at_dma_remove,
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.remove_new = at_dma_remove,
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.shutdown = at_dma_shutdown,
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.id_table = atdma_devtypes,
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.driver = {

‎drivers/dma/at_xdmac.c‎

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@@ -2431,7 +2431,7 @@ static int at_xdmac_probe(struct platform_device *pdev)
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return ret;
24322432
}
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2434-
static int at_xdmac_remove(struct platform_device *pdev)
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static void at_xdmac_remove(struct platform_device *pdev)
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{
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struct at_xdmac *atxdmac = (struct at_xdmac *)platform_get_drvdata(pdev);
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int i;
@@ -2452,8 +2452,6 @@ static int at_xdmac_remove(struct platform_device *pdev)
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tasklet_kill(&atchan->tasklet);
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at_xdmac_free_chan_resources(&atchan->chan);
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}
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return 0;
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}
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static const struct dev_pm_ops __maybe_unused atmel_xdmac_dev_pm_ops = {
@@ -2478,7 +2476,7 @@ MODULE_DEVICE_TABLE(of, atmel_xdmac_dt_ids);
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static struct platform_driver at_xdmac_driver = {
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.probe = at_xdmac_probe,
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.remove = at_xdmac_remove,
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.remove_new = at_xdmac_remove,
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.driver = {
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.name = "at_xdmac",
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.of_match_table = of_match_ptr(atmel_xdmac_dt_ids),

‎drivers/dma/bcm-sba-raid.c‎

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@@ -1734,7 +1734,7 @@ static int sba_probe(struct platform_device *pdev)
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return ret;
17351735
}
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static int sba_remove(struct platform_device *pdev)
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static void sba_remove(struct platform_device *pdev)
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{
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struct sba_device *sba = platform_get_drvdata(pdev);
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@@ -1745,8 +1745,6 @@ static int sba_remove(struct platform_device *pdev)
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sba_freeup_channel_resources(sba);
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mbox_free_channel(sba->mchan);
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return 0;
17501748
}
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static const struct of_device_id sba_of_match[] = {
@@ -1758,7 +1756,7 @@ MODULE_DEVICE_TABLE(of, sba_of_match);
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17591757
static struct platform_driver sba_driver = {
17601758
.probe = sba_probe,
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.remove = sba_remove,
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.remove_new = sba_remove,
17621760
.driver = {
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.name = "bcm-sba-raid",
17641762
.of_match_table = sba_of_match,

‎drivers/dma/bcm2835-dma.c‎

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Original file line numberDiff line numberDiff line change
@@ -1019,19 +1019,17 @@ static int bcm2835_dma_probe(struct platform_device *pdev)
10191019
return rc;
10201020
}
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1022-
static int bcm2835_dma_remove(struct platform_device *pdev)
1022+
static void bcm2835_dma_remove(struct platform_device *pdev)
10231023
{
10241024
struct bcm2835_dmadev *od = platform_get_drvdata(pdev);
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10261026
dma_async_device_unregister(&od->ddev);
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bcm2835_dma_free(od);
1028-
1029-
return 0;
10301028
}
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10321030
static struct platform_driver bcm2835_dma_driver = {
10331031
.probe = bcm2835_dma_probe,
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.remove = bcm2835_dma_remove,
1032+
.remove_new = bcm2835_dma_remove,
10351033
.driver = {
10361034
.name = "bcm2835-dma",
10371035
.of_match_table = of_match_ptr(bcm2835_dma_of_match),

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