Commit ccdcf77a authored by David Brownell's avatar David Brownell Committed by Greg Kroah-Hartman

[PATCH] ISP116x PM updates

This makes the isp116x driver stop using usb_suspend_device() and
usb_resume_device() ... usbcore now calls to the root hub methods,
removing the need for this.  It also switches from keventd to khubd
for remote wakeup.  (Compile tested.)
Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>

 drivers/usb/host/isp116x-hcd.c |   29 ++++-------------------------
 drivers/usb/host/isp116x.h     |    1 -
 2 files changed, 4 insertions(+), 26 deletions(-)
parent a7f72abe
...@@ -638,7 +638,7 @@ static irqreturn_t isp116x_irq(struct usb_hcd *hcd, struct pt_regs *regs) ...@@ -638,7 +638,7 @@ static irqreturn_t isp116x_irq(struct usb_hcd *hcd, struct pt_regs *regs)
+ msecs_to_jiffies(20) + 1); + msecs_to_jiffies(20) + 1);
if (intstat & HCINT_RD) { if (intstat & HCINT_RD) {
DBG("---- remote wakeup\n"); DBG("---- remote wakeup\n");
schedule_work(&isp116x->rh_resume); usb_hcd_resume_root_hub(hcd);
ret = IRQ_HANDLED; ret = IRQ_HANDLED;
} }
irqstat &= ~HCuPINT_OPR; irqstat &= ~HCuPINT_OPR;
...@@ -1263,22 +1263,12 @@ static int isp116x_hub_resume(struct usb_hcd *hcd) ...@@ -1263,22 +1263,12 @@ static int isp116x_hub_resume(struct usb_hcd *hcd)
return 0; return 0;
} }
static void isp116x_rh_resume(void *_hcd)
{
struct usb_hcd *hcd = _hcd;
usb_resume_device(hcd->self.root_hub);
}
#else #else
#define isp116x_hub_suspend NULL #define isp116x_hub_suspend NULL
#define isp116x_hub_resume NULL #define isp116x_hub_resume NULL
static void isp116x_rh_resume(void *_hcd)
{
}
#endif #endif
/*-----------------------------------------------------------------*/ /*-----------------------------------------------------------------*/
...@@ -1732,7 +1722,6 @@ static int __init isp116x_probe(struct device *dev) ...@@ -1732,7 +1722,6 @@ static int __init isp116x_probe(struct device *dev)
isp116x->addr_reg = addr_reg; isp116x->addr_reg = addr_reg;
spin_lock_init(&isp116x->lock); spin_lock_init(&isp116x->lock);
INIT_LIST_HEAD(&isp116x->async); INIT_LIST_HEAD(&isp116x->async);
INIT_WORK(&isp116x->rh_resume, isp116x_rh_resume, hcd);
isp116x->board = dev->platform_data; isp116x->board = dev->platform_data;
if (!isp116x->board) { if (!isp116x->board) {
...@@ -1777,16 +1766,10 @@ static int __init isp116x_probe(struct device *dev) ...@@ -1777,16 +1766,10 @@ static int __init isp116x_probe(struct device *dev)
static int isp116x_suspend(struct device *dev, pm_message_t state) static int isp116x_suspend(struct device *dev, pm_message_t state)
{ {
int ret = 0; int ret = 0;
struct usb_hcd *hcd = dev_get_drvdata(dev);
VDBG("%s: state %x\n", __func__, state); VDBG("%s: state %x\n", __func__, state);
ret = usb_suspend_device(hcd->self.root_hub); dev->power.power_state = state;
if (!ret) {
dev->power.power_state = state;
INFO("%s suspended\n", hcd_name);
} else
ERR("%s suspend failed\n", hcd_name);
return ret; return ret;
} }
...@@ -1797,15 +1780,11 @@ static int isp116x_suspend(struct device *dev, pm_message_t state) ...@@ -1797,15 +1780,11 @@ static int isp116x_suspend(struct device *dev, pm_message_t state)
static int isp116x_resume(struct device *dev) static int isp116x_resume(struct device *dev)
{ {
int ret = 0; int ret = 0;
struct usb_hcd *hcd = dev_get_drvdata(dev);
VDBG("%s: state %x\n", __func__, dev->power.power_state); VDBG("%s: state %x\n", __func__, dev->power.power_state);
ret = usb_resume_device(hcd->self.root_hub); dev->power.power_state = PMSG_ON;
if (!ret) {
dev->power.power_state = PMSG_ON;
VDBG("%s resumed\n", (char *)hcd_name);
}
return ret; return ret;
} }
......
...@@ -253,7 +253,6 @@ static const int cc_to_error[16] = { ...@@ -253,7 +253,6 @@ static const int cc_to_error[16] = {
struct isp116x { struct isp116x {
spinlock_t lock; spinlock_t lock;
struct work_struct rh_resume;
void __iomem *addr_reg; void __iomem *addr_reg;
void __iomem *data_reg; void __iomem *data_reg;
......
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