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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2011-06-06 14:18:38 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-06-07 09:10:09 -0700 |
| commit | 97664a207bc2601a03a300f00e6922038cd5b99c (patch) | |
| tree | 19202c1dc78068e52a337cf34bff79d7c6e1b92f /drivers/usb/renesas_usbhs/common.h | |
| parent | 8a2c225ddb2d23a9b3f70af2ec70d28e4abd0b8e (diff) | |
| download | kernel_samsung_smdk4412-97664a207bc2601a03a300f00e6922038cd5b99c.zip kernel_samsung_smdk4412-97664a207bc2601a03a300f00e6922038cd5b99c.tar.gz kernel_samsung_smdk4412-97664a207bc2601a03a300f00e6922038cd5b99c.tar.bz2 | |
usb: renesas_usbhs: shrink spin lock area
spin lock was very effective while doing 1 packet send/recv on
current renesas_usbhs driver.
But this lock is enough only
- modify packet/pipe link
- modify interrpt mask
- modify fifo access
This patch shrink spin lock area
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/renesas_usbhs/common.h')
| -rw-r--r-- | drivers/usb/renesas_usbhs/common.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h index 0aadcb4..7bf675c 100644 --- a/drivers/usb/renesas_usbhs/common.h +++ b/drivers/usb/renesas_usbhs/common.h @@ -204,6 +204,10 @@ void usbhs_write(struct usbhs_priv *priv, u32 reg, u16 data); void usbhs_bset(struct usbhs_priv *priv, u32 reg, u16 mask, u16 data); int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev); + +#define usbhs_lock(p, f) spin_lock_irqsave(usbhs_priv_to_lock(p), f) +#define usbhs_unlock(p, f) spin_unlock_irqrestore(usbhs_priv_to_lock(p), f) + /* * sysconfig */ |