diff options
| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2015-01-19 06:53:16 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-01-27 18:34:57 +0300 |
| commit | 6e3f53ab5bd3092e195b290802208a39261fdf26 (patch) | |
| tree | 29e355f2d7e359c9ff4a8cf103096c4386d28d5c /drivers/usb/renesas_usbhs/fifo.c | |
| parent | 16eb1a67f3e6f8b90474b882fe210df229da7573 (diff) | |
| download | linux-6e3f53ab5bd3092e195b290802208a39261fdf26.tar.xz | |
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>
Diffstat (limited to 'drivers/usb/renesas_usbhs/fifo.c')
| -rw-r--r-- | drivers/usb/renesas_usbhs/fifo.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index f46271ce1b15..48e31b94313d 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -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", |