diff options
| author | Felipe Balbi <balbi@ti.com> | 2013-06-30 14:29:51 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-07-29 13:56:47 +0300 |
| commit | f7e846f0956917888b28b52726ee8779a39d84b6 (patch) | |
| tree | e2571f968ea11e9ea92907943f9c6997db43d316 /drivers/usb/dwc3/core.c | |
| parent | 6462cbd54d2fa649b27633267d8ddf835705e47a (diff) | |
| download | linux-f7e846f0956917888b28b52726ee8779a39d84b6.tar.bz2 | |
usb: dwc3: make maximum-speed a per-instance attribute
in order to allow different instances of the
core work in different maximum speeds, we will
move the maximum_speed module_parameter to
both DeviceTree (making use the new maximum-speed
DT property) and platform_data.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3/core.c')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index cb1eb37c6d6c..0686acff1e22 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -36,6 +36,7 @@ #include <linux/usb/otg.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> +#include <linux/usb/of.h> #include "platform_data.h" #include "core.h" @@ -44,10 +45,6 @@ #include "debug.h" -static char *maximum_speed = "super"; -module_param(maximum_speed, charp, 0); -MODULE_PARM_DESC(maximum_speed, "Maximum supported speed."); - /* -------------------------------------------------------------------------- */ void dwc3_set_mode(struct dwc3 *dwc, u32 mode) @@ -412,17 +409,25 @@ static int dwc3_probe(struct platform_device *pdev) } if (node) { + dwc->maximum_speed = of_usb_get_maximum_speed(node); + dwc->usb2_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 0); dwc->usb3_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 1); dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize"); } else { + dwc->maximum_speed = pdata->maximum_speed; + dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2); dwc->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3); dwc->needs_fifo_resize = pdata->tx_fifo_resize; } + /* default to superspeed if no maximum_speed passed */ + if (dwc->maximum_speed == USB_SPEED_UNKNOWN) + dwc->maximum_speed = USB_SPEED_SUPER; + if (IS_ERR(dwc->usb2_phy)) { ret = PTR_ERR(dwc->usb2_phy); @@ -467,17 +472,6 @@ static int dwc3_probe(struct platform_device *pdev) dev->dma_parms = dev->parent->dma_parms; dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask); - if (!strncmp("super", maximum_speed, 5)) - dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; - else if (!strncmp("high", maximum_speed, 4)) - dwc->maximum_speed = DWC3_DCFG_HIGHSPEED; - else if (!strncmp("full", maximum_speed, 4)) - dwc->maximum_speed = DWC3_DCFG_FULLSPEED1; - else if (!strncmp("low", maximum_speed, 3)) - dwc->maximum_speed = DWC3_DCFG_LOWSPEED; - else - dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; - pm_runtime_enable(dev); pm_runtime_get_sync(dev); pm_runtime_forbid(dev); |