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| author | Neil Zhang <zhangwm@marvell.com> | 2012-07-10 10:07:01 +0800 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-08-23 11:04:14 +0300 |
| commit | 9b2035a0b9ee9745c236cc2ec1ec0b0eae692a1a (patch) | |
| tree | 307aef26426dbd762647bf749fa01dae6418b3a4 | |
| parent | d9875690d9b89a866022ff49e3fcea892345ad92 (diff) | |
| download | linux-3.10-9b2035a0b9ee9745c236cc2ec1ec0b0eae692a1a.tar.gz linux-3.10-9b2035a0b9ee9745c236cc2ec1ec0b0eae692a1a.tar.bz2 linux-3.10-9b2035a0b9ee9745c236cc2ec1ec0b0eae692a1a.zip | |
usb: gadget: mv_udc: reduce the delay interval
There are several places use udelay(LOOPS_USEC) to wait the status to be
changed, but the delay interval is a bit too long, so reduce it to
enhance the performance.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
| -rw-r--r-- | drivers/usb/gadget/mv_udc_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index 75db2c306ce..9e40f89635b 100644 --- a/drivers/usb/gadget/mv_udc_core.c +++ b/drivers/usb/gadget/mv_udc_core.c @@ -53,7 +53,7 @@ #define READSAFE_TIMEOUT 1000 #define DTD_TIMEOUT 1000 -#define LOOPS_USEC_SHIFT 4 +#define LOOPS_USEC_SHIFT 1 #define LOOPS_USEC (1 << LOOPS_USEC_SHIFT) #define LOOPS(timeout) ((timeout) >> LOOPS_USEC_SHIFT) |