From 25efe08e849baeac40b9216bae6a5e0299872306 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Sat, 4 Apr 2015 22:51:15 +0300 Subject: [PATCH] staging: octeon-ethernet: eliminate USE_10MBPS_PREAMBLE_WORKAROUND define We have the workaround always enabled, so eliminate a redundant #define. Signed-off-by: Aaro Koskinen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/octeon/ethernet-defines.h | 5 ----- drivers/staging/octeon/ethernet-rgmii.c | 14 +++----------- drivers/staging/octeon/ethernet-rx.c | 7 ++----- 3 files changed, 5 insertions(+), 21 deletions(-) diff --git a/drivers/staging/octeon/ethernet-defines.h b/drivers/staging/octeon/ethernet-defines.h index d61955cb438c..de6ae6bf918a 100644 --- a/drivers/staging/octeon/ethernet-defines.h +++ b/drivers/staging/octeon/ethernet-defines.h @@ -67,11 +67,6 @@ #define USE_RED 1 #define USE_ASYNC_IOBDMA (CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE > 0) -/* - * Allow SW based preamble removal at 10Mbps to workaround PHYs giving - * us bad preambles. - */ -#define USE_10MBPS_PREAMBLE_WORKAROUND 1 /* * Use this to have all FPA frees also tell the L2 not to write data * to memory. diff --git a/drivers/staging/octeon/ethernet-rgmii.c b/drivers/staging/octeon/ethernet-rgmii.c index ba2ad2aaca3e..ad332c3e1546 100644 --- a/drivers/staging/octeon/ethernet-rgmii.c +++ b/drivers/staging/octeon/ethernet-rgmii.c @@ -99,14 +99,7 @@ static void cvm_oct_rgmii_poll(struct net_device *dev) link_info = cvmx_helper_link_get(priv->port); if (link_info.u64 == priv->link_info) { - - /* - * If the 10Mbps preamble workaround is supported and we're - * at 10Mbps we may need to do some special checking. - */ - if (USE_10MBPS_PREAMBLE_WORKAROUND && - (link_info.s.speed == 10)) { - + if (link_info.s.speed == 10) { /* * Read the GMXX_RXX_INT_REG[PCTERR] bit and * see if we are getting preamble errors. @@ -140,12 +133,11 @@ static void cvm_oct_rgmii_poll(struct net_device *dev) return; } - /* If the 10Mbps preamble workaround is allowed we need to on + /* Since the 10Mbps preamble workaround is allowed we need to enable preamble checking, FCS stripping, and clear error bits on every speed change. If errors occur during 10Mbps operation the above code will change this stuff */ - if (USE_10MBPS_PREAMBLE_WORKAROUND) - cvm_oct_set_hw_preamble(priv, true); + cvm_oct_set_hw_preamble(priv, true); if (priv->phydev == NULL) { link_info = cvmx_helper_link_autoconf(priv->port); diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c index 22667dbb10d8..8d40986f60ef 100644 --- a/drivers/staging/octeon/ethernet-rx.c +++ b/drivers/staging/octeon/ethernet-rx.c @@ -93,11 +93,8 @@ static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work) * instead of 60+4FCS. Note these packets still get * counted as frame errors. */ - } else - if (USE_10MBPS_PREAMBLE_WORKAROUND - && ((work->word2.snoip.err_code == 5) - || (work->word2.snoip.err_code == 7))) { - + } else if (work->word2.snoip.err_code == 5 || + work->word2.snoip.err_code == 7) { /* * We received a packet with either an alignment error * or a FCS error. This may be signalling that we are -- 2.30.2