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-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
4 files changed, 17 insertions, 5 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index ba06d1d..5c58638 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 cd04eb7b..926360c 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 381e793..b396a7f 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 a1bd829..03f7820 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);
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