| Message ID | 20200525182608.1823735-6-kw@linux.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | Add helper for accessing Power Management callbacs | expand |
On Mon, May 25, 2020 at 8:26 PM Krzysztof Wilczyński <kw@linux.com> wrote: > > Use the new device_to_pm() helper to access Power Management callbacs > (struct dev_pm_ops) for a particular device (struct device_driver). > > No functional change intended. > > Signed-off-by: Krzysztof Wilczyński <kw@linux.com> > --- > drivers/usb/phy/phy-fsl-usb.c | 11 +++++++---- > 1 file changed, 7 insertions(+), 4 deletions(-) > > diff --git a/drivers/usb/phy/phy-fsl-usb.c b/drivers/usb/phy/phy-fsl-usb.c > index b451f4695f3f..3b9ad5db8380 100644 > --- a/drivers/usb/phy/phy-fsl-usb.c > +++ b/drivers/usb/phy/phy-fsl-usb.c > @@ -460,6 +460,7 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on) > struct device *dev; > struct fsl_otg *otg_dev = > container_of(otg->usb_phy, struct fsl_otg, phy); > + const struct dev_pm_ops *pm; > u32 retval = 0; > > if (!otg->host) > @@ -479,8 +480,9 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on) > else { > otg_reset_controller(); > VDBG("host on......\n"); > - if (dev->driver->pm && dev->driver->pm->resume) { > - retval = dev->driver->pm->resume(dev); > + pm = driver_to_pm(dev->driver); > + if (pm && pm->resume) { > + retval = pm->resume(dev); And why is the new version better this time? > if (fsm->id) { > /* default-b */ > fsl_otg_drv_vbus(fsm, 1); > @@ -504,8 +506,9 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on) > else { > VDBG("host off......\n"); > if (dev && dev->driver) { > - if (dev->driver->pm && dev->driver->pm->suspend) > - retval = dev->driver->pm->suspend(dev); > + pm = driver_to_pm(dev->driver); > + if (pm && pm->suspend) > + retval = pm->suspend(dev); > if (fsm->id) > /* default-b */ > fsl_otg_drv_vbus(fsm, 0); > -- > 2.26.2 >
diff --git a/drivers/usb/phy/phy-fsl-usb.c b/drivers/usb/phy/phy-fsl-usb.c index b451f4695f3f..3b9ad5db8380 100644 --- a/drivers/usb/phy/phy-fsl-usb.c +++ b/drivers/usb/phy/phy-fsl-usb.c @@ -460,6 +460,7 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on) struct device *dev; struct fsl_otg *otg_dev = container_of(otg->usb_phy, struct fsl_otg, phy); + const struct dev_pm_ops *pm; u32 retval = 0; if (!otg->host) @@ -479,8 +480,9 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on) else { otg_reset_controller(); VDBG("host on......\n"); - if (dev->driver->pm && dev->driver->pm->resume) { - retval = dev->driver->pm->resume(dev); + pm = driver_to_pm(dev->driver); + if (pm && pm->resume) { + retval = pm->resume(dev); if (fsm->id) { /* default-b */ fsl_otg_drv_vbus(fsm, 1); @@ -504,8 +506,9 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on) else { VDBG("host off......\n"); if (dev && dev->driver) { - if (dev->driver->pm && dev->driver->pm->suspend) - retval = dev->driver->pm->suspend(dev); + pm = driver_to_pm(dev->driver); + if (pm && pm->suspend) + retval = pm->suspend(dev); if (fsm->id) /* default-b */ fsl_otg_drv_vbus(fsm, 0);
Use the new device_to_pm() helper to access Power Management callbacs (struct dev_pm_ops) for a particular device (struct device_driver). No functional change intended. Signed-off-by: Krzysztof Wilczyński <kw@linux.com> --- drivers/usb/phy/phy-fsl-usb.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)