diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-08-25 17:13:09 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-09-01 11:59:17 +0200 |
| commit | 2436bdcda53ff4abb7897c87fa29ef3de8055344 (patch) | |
| tree | aa9204da61d1e888fea12ac09c948f5d77e793c5 /drivers/usb | |
| parent | b32dbc1e0bf0eaa8bdd725491b361d5fc2f57a85 (diff) | |
dma-coherent: remove the DMA_MEMORY_MAP and DMA_MEMORY_IO flags
DMA_MEMORY_IO was never used in the tree, so remove it. That means there is
no need for the DMA_MEMORY_MAP flag either now, so remove it as well and
change dma_declare_coherent_memory to return a normal errno value.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ohci-sm501.c | 7 | ||||
| -rw-r--r-- | drivers/usb/host/ohci-tmio.c | 9 |
2 files changed, 6 insertions, 10 deletions
diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c index a8b8d8b8d9f3..d4e0f7cd96fa 100644 --- a/drivers/usb/host/ohci-sm501.c +++ b/drivers/usb/host/ohci-sm501.c @@ -123,13 +123,12 @@ static int ohci_hcd_sm501_drv_probe(struct platform_device *pdev) * regular memory. The HCD_LOCAL_MEM flag does just that. */ - if (!dma_declare_coherent_memory(dev, mem->start, + retval = dma_declare_coherent_memory(dev, mem->start, mem->start - mem->parent->start, resource_size(mem), - DMA_MEMORY_MAP | - DMA_MEMORY_EXCLUSIVE)) { + DMA_MEMORY_EXCLUSIVE); + if (retval) { dev_err(dev, "cannot declare coherent memory\n"); - retval = -ENXIO; goto err1; } diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index cfcfadfc94fc..16d081a093bb 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -227,13 +227,10 @@ static int ohci_hcd_tmio_drv_probe(struct platform_device *dev) goto err_ioremap_regs; } - if (!dma_declare_coherent_memory(&dev->dev, sram->start, - sram->start, - resource_size(sram), - DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE)) { - ret = -EBUSY; + ret = dma_declare_coherent_memory(&dev->dev, sram->start, sram->start, + resource_size(sram), DMA_MEMORY_EXCLUSIVE); + if (ret) goto err_dma_declare; - } if (cell->enable) { ret = cell->enable(dev); |