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>
This commit is contained in:
Kuninori Morimoto
2011-06-06 14:18:38 +09:00
committed by Greg Kroah-Hartman
parent 8a2c225ddb
commit 97664a207b
4 changed files with 179 additions and 293 deletions

View File

@@ -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
*/