diff options
| author | David S. Miller <davem@davemloft.net> | 2019-07-09 05:48:57 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-07-09 05:48:57 +0300 |
| commit | af144a983402f7fd324ce556d9f9011a8b3e01fe (patch) | |
| tree | 7a0250b960a36976bc683789d9fe86b9f60a97a5 /drivers/net/ethernet/cadence | |
| parent | 6413139dfc641aaaa30580b59696a5f7ea274194 (diff) | |
| parent | e858faf556d4e14c750ba1e8852783c6f9520a0e (diff) | |
| download | linux-af144a983402f7fd324ce556d9f9011a8b3e01fe.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two cases of overlapping changes, nothing fancy.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cadence')
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.h | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/cadence/macb_ptp.c | 7 |
2 files changed, 13 insertions, 3 deletions
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index 515bfd2c9e3f..03983bd46eef 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -496,7 +496,11 @@ /* Bitfields in TISUBN */ #define GEM_SUBNSINCR_OFFSET 0 -#define GEM_SUBNSINCR_SIZE 16 +#define GEM_SUBNSINCRL_OFFSET 24 +#define GEM_SUBNSINCRL_SIZE 8 +#define GEM_SUBNSINCRH_OFFSET 0 +#define GEM_SUBNSINCRH_SIZE 16 +#define GEM_SUBNSINCR_SIZE 24 /* Bitfields in TI */ #define GEM_NSINCR_OFFSET 0 @@ -834,6 +838,9 @@ struct gem_tx_ts { /* limit RX checksum offload to TCP and UDP packets */ #define GEM_RX_CSUM_CHECKED_MASK 2 +/* Scaled PPM fraction */ +#define PPM_FRACTION 16 + /* struct macb_tx_skb - data about an skb which is being transmitted * @skb: skb currently being transmitted, only set for the last buffer * of the frame diff --git a/drivers/net/ethernet/cadence/macb_ptp.c b/drivers/net/ethernet/cadence/macb_ptp.c index 0a8aca8d3634..43a3f0dbf857 100644 --- a/drivers/net/ethernet/cadence/macb_ptp.c +++ b/drivers/net/ethernet/cadence/macb_ptp.c @@ -104,7 +104,10 @@ static int gem_tsu_incr_set(struct macb *bp, struct tsu_incr *incr_spec) * to take effect. */ spin_lock_irqsave(&bp->tsu_clk_lock, flags); - gem_writel(bp, TISUBN, GEM_BF(SUBNSINCR, incr_spec->sub_ns)); + /* RegBit[15:0] = Subns[23:8]; RegBit[31:24] = Subns[7:0] */ + gem_writel(bp, TISUBN, GEM_BF(SUBNSINCRL, incr_spec->sub_ns) | + GEM_BF(SUBNSINCRH, (incr_spec->sub_ns >> + GEM_SUBNSINCRL_SIZE))); gem_writel(bp, TI, GEM_BF(NSINCR, incr_spec->ns)); spin_unlock_irqrestore(&bp->tsu_clk_lock, flags); @@ -135,7 +138,7 @@ static int gem_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm) * (temp / USEC_PER_SEC) + 0.5 */ adj += (USEC_PER_SEC >> 1); - adj >>= GEM_SUBNSINCR_SIZE; /* remove fractions */ + adj >>= PPM_FRACTION; /* remove fractions */ adj = div_u64(adj, USEC_PER_SEC); adj = neg_adj ? (word - adj) : (word + adj); |