diff options
| author | Aaro Koskinen <aaro.koskinen@iki.fi> | 2013-10-01 23:43:13 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-03 13:38:05 -0700 |
| commit | e50aa24e79eca2bd3b09f1cfb9f149bfdff3eb4c (patch) | |
| tree | 074ef1ba7f7c6f016db84d1cabeb79db218d993c /drivers | |
| parent | e43de55ce23918920ec9c0f95fc07904469fdb46 (diff) | |
| download | linux-e50aa24e79eca2bd3b09f1cfb9f149bfdff3eb4c.tar.bz2 | |
staging: octeon-usb: replace CVMX_CLZ with __fls()
Replace CVMX_CLZ macro with __fls().
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/octeon-usb/cvmx-usb.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/staging/octeon-usb/cvmx-usb.c b/drivers/staging/octeon-usb/cvmx-usb.c index 3dd732e7a738..c57e798cc072 100644 --- a/drivers/staging/octeon-usb/cvmx-usb.c +++ b/drivers/staging/octeon-usb/cvmx-usb.c @@ -64,7 +64,6 @@ // normal prefetches that use the pref instruction #define CVMX_PREFETCH_PREFX(X, address, offset) asm volatile ("pref %[type], %[off](%[rbase])" : : [rbase] "d" (address), [off] "I" (offset), [type] "n" (X)) #define CVMX_PREFETCH_PREF0(address, offset) CVMX_PREFETCH_PREFX(0, address, offset) -#define CVMX_CLZ(result, input) asm ("clz %[rd],%[rs]" : [rd] "=d" (result) : [rs] "d" (input)) #define MAX_RETRIES 3 /* Maximum number of times to retry failed transactions */ #define MAX_PIPES 32 /* Maximum number of pipes that can be open at once */ @@ -1893,8 +1892,7 @@ static void __cvmx_usb_schedule(struct cvmx_usb_internal_state *usb, int is_sof) while (usb->idle_hardware_channels) { /* Find an idle channel */ - CVMX_CLZ(channel, usb->idle_hardware_channels); - channel = 31 - channel; + channel = __fls(usb->idle_hardware_channels); if (unlikely(channel > 7)) break; @@ -3121,8 +3119,8 @@ int cvmx_usb_poll(struct cvmx_usb_state *state) usbc_haint.u32 = __cvmx_usb_read_csr32(usb, CVMX_USBCX_HAINT(usb->index)); while (usbc_haint.u32) { int channel; - CVMX_CLZ(channel, usbc_haint.u32); - channel = 31 - channel; + + channel = __fls(usbc_haint.u32); __cvmx_usb_poll_channel(usb, channel); usbc_haint.u32 ^= 1<<channel; } |