diff options
| author | Mian Yousaf Kaukab <yousaf.kaukab@intel.com> | 2015-11-20 11:49:28 +0100 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-12-15 09:12:41 -0600 |
| commit | fbb9e22b15ad3c9a98c66bad801b4d1366e8bf20 (patch) | |
| tree | 11c3c1a561b92a95b608e597052c1ae029aa6986 /drivers/usb/dwc2/platform.c | |
| parent | 75f5c434c30b22a48a1d4a0f827473dc29036d78 (diff) | |
| download | linux-fbb9e22b15ad3c9a98c66bad801b4d1366e8bf20.tar.bz2 | |
usb: dwc2: host: enable descriptor dma for fs devices
As descriptor dma mode does not support split transfers, it can't be
enabled for high speed devices. Add a core parameter to enable it for
full speed devices.
Ensure frame list and descriptor list are correctly freed during
disconnect.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc2/platform.c')
| -rw-r--r-- | drivers/usb/dwc2/platform.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 39c1cbf0e75d..095bc05f76ca 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -59,6 +59,7 @@ static const struct dwc2_core_params params_bcm2835 = { .otg_ver = 0, /* 1.3 */ .dma_enable = 1, .dma_desc_enable = 0, + .dma_desc_fs_enable = 0, .speed = 0, /* High Speed */ .enable_dynamic_fifo = 1, .en_multiple_tx_fifo = 1, @@ -89,6 +90,7 @@ static const struct dwc2_core_params params_rk3066 = { .otg_ver = -1, .dma_enable = -1, .dma_desc_enable = 0, + .dma_desc_fs_enable = 0, .speed = -1, .enable_dynamic_fifo = 1, .en_multiple_tx_fifo = -1, @@ -348,8 +350,10 @@ static int dwc2_driver_probe(struct platform_device *dev) /* * Disable descriptor dma mode by default as the HW can support * it, but does not support it for SPLIT transactions. + * Disable it for FS devices as well. */ defparams.dma_desc_enable = 0; + defparams.dma_desc_fs_enable = 0; } hsotg = devm_kzalloc(&dev->dev, sizeof(*hsotg), GFP_KERNEL); |