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path: root/drivers/usb/chipidea/host.c
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Diffstat (limited to 'drivers/usb/chipidea/host.c')
-rw-r--r--drivers/usb/chipidea/host.c41
1 files changed, 35 insertions, 6 deletions
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index 8e9d31277c43..6f96795dd20c 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -24,6 +24,7 @@
#include <linux/usb.h>
#include <linux/usb/hcd.h>
#include <linux/usb/chipidea.h>
+#include <linux/regulator/consumer.h>
#include "../host/ehci.h"
@@ -33,12 +34,12 @@
static struct hc_driver __read_mostly ci_ehci_hc_driver;
-static irqreturn_t host_irq(struct ci13xxx *ci)
+static irqreturn_t host_irq(struct ci_hdrc *ci)
{
return usb_hcd_irq(ci->irq, ci->hcd);
}
-static int host_start(struct ci13xxx *ci)
+static int host_start(struct ci_hdrc *ci)
{
struct usb_hcd *hcd;
struct ehci_hcd *ehci;
@@ -63,28 +64,56 @@ static int host_start(struct ci13xxx *ci)
ehci = hcd_to_ehci(hcd);
ehci->caps = ci->hw_bank.cap;
ehci->has_hostpc = ci->hw_bank.lpm;
+ ehci->has_tdi_phy_lpm = ci->hw_bank.lpm;
+
+ if (ci->platdata->reg_vbus) {
+ ret = regulator_enable(ci->platdata->reg_vbus);
+ if (ret) {
+ dev_err(ci->dev,
+ "Failed to enable vbus regulator, ret=%d\n",
+ ret);
+ goto put_hcd;
+ }
+ }
ret = usb_add_hcd(hcd, 0, 0);
if (ret)
- usb_put_hcd(hcd);
+ goto disable_reg;
else
ci->hcd = hcd;
- if (ci->platdata->flags & CI13XXX_DISABLE_STREAMING)
+ if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING)
hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);
return ret;
+
+disable_reg:
+ regulator_disable(ci->platdata->reg_vbus);
+
+put_hcd:
+ usb_put_hcd(hcd);
+
+ return ret;
}
-static void host_stop(struct ci13xxx *ci)
+static void host_stop(struct ci_hdrc *ci)
{
struct usb_hcd *hcd = ci->hcd;
usb_remove_hcd(hcd);
usb_put_hcd(hcd);
+ if (ci->platdata->reg_vbus)
+ regulator_disable(ci->platdata->reg_vbus);
+}
+
+
+void ci_hdrc_host_destroy(struct ci_hdrc *ci)
+{
+ if (ci->role == CI_ROLE_HOST)
+ host_stop(ci);
}
-int ci_hdrc_host_init(struct ci13xxx *ci)
+int ci_hdrc_host_init(struct ci_hdrc *ci)
{
struct ci_role_driver *rdrv;