diff options
Diffstat (limited to 'drivers/mfd/omap-usb-tll.c')
| -rw-r--r-- | drivers/mfd/omap-usb-tll.c | 50 |
1 files changed, 19 insertions, 31 deletions
diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c index e59ac4cbac96..5ee50f779ef6 100644 --- a/drivers/mfd/omap-usb-tll.c +++ b/drivers/mfd/omap-usb-tll.c @@ -121,22 +121,22 @@ static DEFINE_SPINLOCK(tll_lock); /* serialize access to tll_dev */ static inline void usbtll_write(void __iomem *base, u32 reg, u32 val) { - __raw_writel(val, base + reg); + writel_relaxed(val, base + reg); } static inline u32 usbtll_read(void __iomem *base, u32 reg) { - return __raw_readl(base + reg); + return readl_relaxed(base + reg); } static inline void usbtll_writeb(void __iomem *base, u8 reg, u8 val) { - __raw_writeb(val, base + reg); + writeb_relaxed(val, base + reg); } static inline u8 usbtll_readb(void __iomem *base, u8 reg) { - return __raw_readb(base + reg); + return readb_relaxed(base + reg); } /*-------------------------------------------------------------------------*/ @@ -320,7 +320,7 @@ static struct platform_driver usbtll_omap_driver = { .driver = { .name = (char *)usbtll_driver_name, .owner = THIS_MODULE, - .of_match_table = of_match_ptr(usbtll_omap_dt_ids), + .of_match_table = usbtll_omap_dt_ids, }, .probe = usbtll_omap_probe, .remove = usbtll_omap_remove, @@ -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; @@ -429,7 +421,7 @@ int omap_tll_enable(struct usbhs_omap_platform_data *pdata) if (IS_ERR(tll->ch_clk[i])) continue; - r = clk_enable(tll->ch_clk[i]); + r = clk_prepare_enable(tll->ch_clk[i]); if (r) { dev_err(tll_dev, "Error enabling ch %d clock: %d\n", i, r); @@ -448,25 +440,21 @@ 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++) { if (omap_usb_mode_needs_tll(pdata->port_mode[i])) { if (!IS_ERR(tll->ch_clk[i])) - clk_disable(tll->ch_clk[i]); + clk_disable_unprepare(tll->ch_clk[i]); } } - pm_runtime_put_sync(tll_dev); - spin_unlock(&tll_lock); + pm_runtime_put_sync(tll_dev); return 0; } |