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usb: musb: Fix getting a generic phy for musb_dsps 

We still have a combination of legacy phys and generic phys in
use so we need to support both types of phy for musb_dsps.c.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
hifive-unleashed-5.1
Tony Lindgren 2015-02-04 06:28:49 -08:00 committed by Felipe Balbi
parent eed97ef39a
commit bb90600d5c
1 changed files with 24 additions and 1 deletions
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25
drivers/usb/musb/musb_dsps.c
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@ -457,12 +457,27 @@ static int dsps_musb_init(struct musb *musb)
if (IS_ERR(musb->xceiv))
return PTR_ERR(musb->xceiv);
musb->phy = devm_phy_get(dev->parent, "usb2-phy");
/* Returns zero if e.g. not clocked */
rev = dsps_readl(reg_base, wrp->revision);
if (!rev)
return -ENODEV;
usb_phy_init(musb->xceiv);
if (IS_ERR(musb->phy)) {
musb->phy = NULL;
} else {
ret = phy_init(musb->phy);
if (ret < 0)
return ret;
ret = phy_power_on(musb->phy);
if (ret) {
phy_exit(musb->phy);
return ret;
}
}
setup_timer(&glue->timer, otg_timer, (unsigned long) musb);
/* Reset the musb */
@ -502,6 +517,8 @@ static int dsps_musb_exit(struct musb *musb)
del_timer_sync(&glue->timer);
usb_phy_shutdown(musb->xceiv);
phy_power_off(musb->phy);
phy_exit(musb->phy);
debugfs_remove_recursive(glue->dbgfs_root);
return 0;
@ -610,7 +627,7 @@ static int dsps_musb_reset(struct musb *musb)
struct device *dev = musb->controller;
struct dsps_glue *glue = dev_get_drvdata(dev->parent);
const struct dsps_musb_wrapper *wrp = glue->wrp;
int session_restart = 0;
int session_restart = 0, error;
if (glue->sw_babble_enabled)
session_restart = sw_babble_control(musb);
@ -624,8 +641,14 @@ static int dsps_musb_reset(struct musb *musb)
dsps_writel(musb->ctrl_base, wrp->control, (1 << wrp->reset));
usleep_range(100, 200);
usb_phy_shutdown(musb->xceiv);
error = phy_power_off(musb->phy);
if (error)
dev_err(dev, "phy shutdown failed: %i\n", error);
usleep_range(100, 200);
usb_phy_init(musb->xceiv);
error = phy_power_on(musb->phy);
if (error)
dev_err(dev, "phy powerup failed: %i\n", error);
session_restart = 1;
}