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authorLinus Torvalds <torvalds@linux-foundation.org>2014-04-20 10:35:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-20 10:35:31 -0700
commit372feacb36211faf18326cfddea85d69b9afe2e5 (patch)
treeaf9758c01d5c05c073ec57e84777a9985862dbf3
parent5269519f9f05888bf52c4b71ed84d37c03c8aadb (diff)
parent8edc51c197b8f409bef7b21755254e6f3ce7ed23 (diff)
Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dmaengine fixes from Vinod Koul: "Back from long weekend here in India and now the time to send fixes for slave dmaengine. - Dan's fix of sirf xlate code - Jean's fix for timberland - edma fixes by Sekhar for SG handling and Yuan for changing init call" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dma: fix eDMA driver as a subsys_initcall dmaengine: sirf: off by one in of_dma_sirfsoc_xlate() platform: Fix timberdale dependencies dma: edma: fix incorrect SG list handling
-rw-r--r--drivers/dma/Kconfig2
-rw-r--r--drivers/dma/edma.c6
-rw-r--r--drivers/dma/fsl-edma.c12
-rw-r--r--drivers/dma/sirf-dma.c2
-rw-r--r--drivers/media/platform/Kconfig2
5 files changed, 18 insertions, 6 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index ba06d1d2f99e..5c5863842de9 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -197,7 +197,7 @@ config AMCC_PPC440SPE_ADMA
config TIMB_DMA
tristate "Timberdale FPGA DMA support"
- depends on MFD_TIMBERDALE || HAS_IOMEM
+ depends on MFD_TIMBERDALE
select DMA_ENGINE
help
Enable support for the Timberdale FPGA DMA engine.
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index cd04eb7b182e..926360c2db6a 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -182,11 +182,13 @@ static void edma_execute(struct edma_chan *echan)
echan->ecc->dummy_slot);
}
- edma_resume(echan->ch_num);
-
if (edesc->processed <= MAX_NR_SG) {
dev_dbg(dev, "first transfer starting %d\n", echan->ch_num);
edma_start(echan->ch_num);
+ } else {
+ dev_dbg(dev, "chan: %d: completed %d elements, resuming\n",
+ echan->ch_num, edesc->processed);
+ edma_resume(echan->ch_num);
}
/*
diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c
index 381e793184ba..b396a7fb53ab 100644
--- a/drivers/dma/fsl-edma.c
+++ b/drivers/dma/fsl-edma.c
@@ -968,7 +968,17 @@ static struct platform_driver fsl_edma_driver = {
.remove = fsl_edma_remove,
};
-module_platform_driver(fsl_edma_driver);
+static int __init fsl_edma_init(void)
+{
+ return platform_driver_register(&fsl_edma_driver);
+}
+subsys_initcall(fsl_edma_init);
+
+static void __exit fsl_edma_exit(void)
+{
+ platform_driver_unregister(&fsl_edma_driver);
+}
+module_exit(fsl_edma_exit);
MODULE_ALIAS("platform:fsl-edma");
MODULE_DESCRIPTION("Freescale eDMA engine driver");
diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c
index a1bd8298d55f..03f7820fa333 100644
--- a/drivers/dma/sirf-dma.c
+++ b/drivers/dma/sirf-dma.c
@@ -666,7 +666,7 @@ static struct dma_chan *of_dma_sirfsoc_xlate(struct of_phandle_args *dma_spec,
struct sirfsoc_dma *sdma = ofdma->of_dma_data;
unsigned int request = dma_spec->args[0];
- if (request > SIRFSOC_DMA_CHANNELS)
+ if (request >= SIRFSOC_DMA_CHANNELS)
return NULL;
return dma_get_slave_channel(&sdma->channels[request].chan);
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index c137abfa0c54..20f1655e6d75 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -56,7 +56,7 @@ config VIDEO_VIU
config VIDEO_TIMBERDALE
tristate "Support for timberdale Video In/LogiWIN"
- depends on VIDEO_V4L2 && I2C && DMADEVICES
+ depends on MFD_TIMBERDALE && VIDEO_V4L2 && I2C && DMADEVICES
select DMA_ENGINE
select TIMB_DMA
select VIDEO_ADV7180