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dmaengine: cppi41: Remove usbss_mem

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In order to make CPPI 4.1 DMA driver more generic, accesses to USBSS
have been removed. So it is not required anymore to map the "glue"
register's.
Remove usbss_mem.

Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Alexandre Bailon 2017-02-15 14:56:32 +01:00 committed by Vinod Koul
parent c1ae3cfa0e
commit 6ee60246ac
1 changed files with 10 additions and 8 deletions
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18
drivers/dma/cppi41.c
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@ -131,7 +131,6 @@ struct cppi41_dd {
u32 first_td_desc;
struct cppi41_channel *chan_busy[ALLOC_DECS_NUM];
void __iomem *usbss_mem;
void __iomem *ctrl_mem;
void __iomem *sched_mem;
void __iomem *qmgr_mem;
@ -995,6 +994,7 @@ static int cppi41_dma_probe(struct platform_device *pdev)
struct cppi41_dd *cdd;
struct device *dev = &pdev->dev;
const struct cppi_glue_infos *glue_info;
int index;
int irq;
int ret;
@ -1021,16 +1021,20 @@ static int cppi41_dma_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&cdd->ddev.channels);
cpp41_dma_info.dma_cap = cdd->ddev.cap_mask;
cdd->usbss_mem = of_iomap(dev->of_node, 0);
cdd->ctrl_mem = of_iomap(dev->of_node, 1);
cdd->sched_mem = of_iomap(dev->of_node, 2);
cdd->qmgr_mem = of_iomap(dev->of_node, 3);
index = of_property_match_string(dev->of_node,
"reg-names", "controller");
if (index < 0)
return index;
cdd->ctrl_mem = of_iomap(dev->of_node, index);
cdd->sched_mem = of_iomap(dev->of_node, index + 1);
cdd->qmgr_mem = of_iomap(dev->of_node, index + 2);
spin_lock_init(&cdd->lock);
INIT_LIST_HEAD(&cdd->pending);
platform_set_drvdata(pdev, cdd);
if (!cdd->usbss_mem || !cdd->ctrl_mem || !cdd->sched_mem ||
if (!cdd->ctrl_mem || !cdd->sched_mem ||
!cdd->qmgr_mem)
return -ENXIO;
@ -1090,7 +1094,6 @@ err_init_cppi:
err_get_sync:
pm_runtime_put_sync(dev);
pm_runtime_disable(dev);
iounmap(cdd->usbss_mem);
iounmap(cdd->ctrl_mem);
iounmap(cdd->sched_mem);
iounmap(cdd->qmgr_mem);
@ -1112,7 +1115,6 @@ static int cppi41_dma_remove(struct platform_device *pdev)
devm_free_irq(&pdev->dev, cdd->irq, cdd);
cleanup_chans(cdd);
deinit_cppi41(&pdev->dev, cdd);
iounmap(cdd->usbss_mem);
iounmap(cdd->ctrl_mem);
iounmap(cdd->sched_mem);
iounmap(cdd->qmgr_mem);