diff options
| author | Roger Quadros <rogerq@ti.com> | 2012-11-15 13:48:51 +0400 |
|---|---|---|
| committer | Roger Quadros <rogerq@ti.com> | 2013-02-13 15:22:52 +0400 |
| commit | c6cd087ed058f8a7dfe1997cc51fdf8005e25a03 (patch) | |
| tree | 52f9d2404426c13dd14814a4183ac26cd244e1df /drivers/mfd/omap-usb-host.c | |
| parent | 340c64eabacb2a4331b4357c0e8944027ce37216 (diff) | |
| download | linux-c6cd087ed058f8a7dfe1997cc51fdf8005e25a03.tar.xz | |
mfd: omap-usb-host: Get rid of unnecessary spinlock
The driver does not have an interrupt handler and
we don't really need a spinlock, so get rid of it.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/mfd/omap-usb-host.c')
| -rw-r--r-- | drivers/mfd/omap-usb-host.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index bdfc8b7b5aff..0740c6856b51 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -23,7 +23,6 @@ #include <linux/delay.h> #include <linux/clk.h> #include <linux/dma-mapping.h> -#include <linux/spinlock.h> #include <linux/gpio.h> #include <linux/platform_device.h> #include <linux/platform_data/usb-omap.h> @@ -108,7 +107,6 @@ struct usbhs_hcd_omap { struct usbhs_omap_platform_data *pdata; u32 usbhs_rev; - spinlock_t lock; }; /*-------------------------------------------------------------------------*/ @@ -276,13 +274,11 @@ static int usbhs_runtime_resume(struct device *dev) { struct usbhs_hcd_omap *omap = dev_get_drvdata(dev); struct usbhs_omap_platform_data *pdata = omap->pdata; - unsigned long flags; int i, r; dev_dbg(dev, "usbhs_runtime_resume\n"); omap_tll_enable(); - spin_lock_irqsave(&omap->lock, flags); if (!IS_ERR(omap->ehci_logic_fck)) clk_enable(omap->ehci_logic_fck); @@ -324,8 +320,6 @@ static int usbhs_runtime_resume(struct device *dev) } } - spin_unlock_irqrestore(&omap->lock, flags); - return 0; } @@ -333,13 +327,10 @@ static int usbhs_runtime_suspend(struct device *dev) { struct usbhs_hcd_omap *omap = dev_get_drvdata(dev); struct usbhs_omap_platform_data *pdata = omap->pdata; - unsigned long flags; int i; dev_dbg(dev, "usbhs_runtime_suspend\n"); - spin_lock_irqsave(&omap->lock, flags); - for (i = 0; i < omap->nports; i++) { switch (pdata->port_mode[i]) { case OMAP_EHCI_PORT_MODE_HSIC: @@ -362,7 +353,6 @@ static int usbhs_runtime_suspend(struct device *dev) if (!IS_ERR(omap->ehci_logic_fck)) clk_disable(omap->ehci_logic_fck); - spin_unlock_irqrestore(&omap->lock, flags); omap_tll_disable(); return 0; @@ -372,7 +362,6 @@ static void omap_usbhs_init(struct device *dev) { struct usbhs_hcd_omap *omap = dev_get_drvdata(dev); struct usbhs_omap_platform_data *pdata = omap->pdata; - unsigned long flags; unsigned reg; dev_dbg(dev, "starting TI HSUSB Controller\n"); @@ -391,7 +380,6 @@ static void omap_usbhs_init(struct device *dev) } pm_runtime_get_sync(dev); - spin_lock_irqsave(&omap->lock, flags); reg = usbhs_read(omap->uhh_base, OMAP_UHH_HOSTCONFIG); /* setup ULPI bypass and burst configurations */ @@ -454,8 +442,6 @@ static void omap_usbhs_init(struct device *dev) usbhs_write(omap->uhh_base, OMAP_UHH_HOSTCONFIG, reg); dev_dbg(dev, "UHH setup done, uhh_hostconfig=%x\n", reg); - spin_unlock_irqrestore(&omap->lock, flags); - pm_runtime_put_sync(dev); if (pdata->phy_reset) { /* Hold the PHY in RESET for enough time till @@ -521,8 +507,6 @@ static int usbhs_omap_probe(struct platform_device *pdev) return -EADDRNOTAVAIL; } - spin_lock_init(&omap->lock); - omap->pdata = pdata; pm_runtime_enable(dev); |