Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1397209

[PATCH net-next v2 08/21] net: dsa: mv88e6131: add registers access

From Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Newsgroups linux.kernel
Subject [PATCH net-next v2 08/21] net: dsa: mv88e6131: add registers access
Date 2016-05-09 19:30 +0200
Message-ID <rwXai-1D1-31@gated-at.bofh.it> (permalink)
References <rwXah-1D1-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Only 6131 was not supporting the port registers access yet. Assume such
support and use the unlock access routines in the meantime.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
 drivers/net/dsa/mv88e6131.c | 2 ++
 drivers/net/dsa/mv88e6xxx.c | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
index 432d3c4..3fb06af 100644
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -157,6 +157,8 @@ struct dsa_switch_driver mv88e6131_switch_driver = {
 	.get_sset_count		= mv88e6xxx_get_sset_count,
 	.get_eeprom		= mv88e6xxx_get_eeprom,
 	.set_eeprom		= mv88e6xxx_set_eeprom,
+	.get_regs_len		= mv88e6xxx_get_regs_len,
+	.get_regs		= mv88e6xxx_get_regs,
 #ifdef CONFIG_NET_DSA_HWMON
 	.get_temp		= mv88e6xxx_get_temp,
 	.get_temp_limit		= mv88e6xxx_get_temp_limit,
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 6aac58b..c28ad83 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -787,13 +787,17 @@ void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
 
 	memset(p, 0xff, 32 * sizeof(u16));
 
+	mutex_lock(&ps->smi_mutex);
+
 	for (i = 0; i < 32; i++) {
 		int ret;
 
-		ret = mv88e6xxx_reg_read(ps, REG_PORT(port), i);
+		ret = _mv88e6xxx_reg_read(ps, REG_PORT(port), i);
 		if (ret >= 0)
 			p[i] = ret;
 	}
+
+	mutex_unlock(&ps->smi_mutex);
 }
 
 static int _mv88e6xxx_wait(struct mv88e6xxx_priv_state *ps, int reg, int offset,
-- 
2.8.2

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH net-next v2 08/21] net: dsa: mv88e6131: add registers access Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2016-05-09 19:30 +0200

csiph-web