diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/omap-usb-tll.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c index ee7468c1cb60..5ee50f779ef6 100644 --- a/drivers/mfd/omap-usb-tll.c +++ b/drivers/mfd/omap-usb-tll.c @@ -333,21 +333,17 @@ int omap_tll_init(struct usbhs_omap_platform_data *pdata) unsigned reg; struct usbtll_omap *tll; - spin_lock(&tll_lock); - - if (!tll_dev) { - spin_unlock(&tll_lock); + if (!tll_dev) return -ENODEV; - } - tll = dev_get_drvdata(tll_dev); + pm_runtime_get_sync(tll_dev); + spin_lock(&tll_lock); + tll = dev_get_drvdata(tll_dev); needs_tll = false; for (i = 0; i < tll->nch; i++) needs_tll |= omap_usb_mode_needs_tll(pdata->port_mode[i]); - pm_runtime_get_sync(tll_dev); - if (needs_tll) { void __iomem *base = tll->base; @@ -398,9 +394,8 @@ int omap_tll_init(struct usbhs_omap_platform_data *pdata) } } - pm_runtime_put_sync(tll_dev); - spin_unlock(&tll_lock); + pm_runtime_put_sync(tll_dev); return 0; } @@ -411,17 +406,14 @@ int omap_tll_enable(struct usbhs_omap_platform_data *pdata) int i; struct usbtll_omap *tll; - spin_lock(&tll_lock); - - if (!tll_dev) { - spin_unlock(&tll_lock); + if (!tll_dev) return -ENODEV; - } - - tll = dev_get_drvdata(tll_dev); pm_runtime_get_sync(tll_dev); + spin_lock(&tll_lock); + tll = dev_get_drvdata(tll_dev); + for (i = 0; i < tll->nch; i++) { if (omap_usb_mode_needs_tll(pdata->port_mode[i])) { int r; @@ -448,13 +440,10 @@ int omap_tll_disable(struct usbhs_omap_platform_data *pdata) int i; struct usbtll_omap *tll; - spin_lock(&tll_lock); - - if (!tll_dev) { - spin_unlock(&tll_lock); + if (!tll_dev) return -ENODEV; - } + spin_lock(&tll_lock); tll = dev_get_drvdata(tll_dev); for (i = 0; i < tll->nch; i++) { @@ -464,9 +453,8 @@ int omap_tll_disable(struct usbhs_omap_platform_data *pdata) } } - pm_runtime_put_sync(tll_dev); - spin_unlock(&tll_lock); + pm_runtime_put_sync(tll_dev); return 0; } |