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usb: renesas_usbhs: add usbhsf_dma_init_pdev() function 

To add support for requesting DT DMA in the future, this patch adds
usbhsf_dma_init_pdev() function.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Yoshihiro Shimoda 2015-01-19 12:53:16 +09:00 committed by Felipe Balbi
parent 16eb1a67f3
commit 6e3f53ab5b
1 changed files with 9 additions and 3 deletions
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12
drivers/usb/renesas_usbhs/fifo.c
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@ -1054,10 +1054,8 @@ static void usbhsf_dma_quit(struct usbhs_priv *priv, struct usbhs_fifo *fifo)
fifo->rx_chan = NULL;
}
static void usbhsf_dma_init(struct usbhs_priv *priv,
struct usbhs_fifo *fifo)
static void usbhsf_dma_init_pdev(struct usbhs_fifo *fifo)
{
struct device *dev = usbhs_priv_to_dev(priv);
dma_cap_mask_t mask;
dma_cap_zero(mask);
@ -1069,6 +1067,14 @@ static void usbhsf_dma_init(struct usbhs_priv *priv,
dma_cap_set(DMA_SLAVE, mask);
fifo->rx_chan = dma_request_channel(mask, usbhsf_dma_filter,
&fifo->rx_slave);
}
static void usbhsf_dma_init(struct usbhs_priv *priv,
struct usbhs_fifo *fifo)
{
struct device *dev = usbhs_priv_to_dev(priv);
usbhsf_dma_init_pdev(fifo);
if (fifo->tx_chan || fifo->rx_chan)
dev_dbg(dev, "enable DMAEngine (%s%s%s)\n",