From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org,
Grygorii Strashko <grygorii.strashko@ti.com>,
"David S. Miller" <davem@davemloft.net>
Subject: [PATCH 5.8 43/56] net: ethernet: ti: cpsw_new: fix suspend/resume
Date: Fri, 25 Sep 2020 14:48:33 +0200 [thread overview]
Message-ID: <20200925124734.312102071@linuxfoundation.org> (raw)
In-Reply-To: <20200925124727.878494124@linuxfoundation.org>
From: Grygorii Strashko <grygorii.strashko@ti.com>
[ Upstream commit 5760d9acbe9514eec68eb70821d6fa5764f57042 ]
Add missed suspend/resume callbacks to properly restore networking after
suspend/resume cycle.
Fixes: ed3525eda4c4 ("net: ethernet: ti: introduce cpsw switchdev based driver part 1 - dual-emac")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/ti/cpsw_new.c | 53 +++++++++++++++++++++++++++++++++++++
1 file changed, 53 insertions(+)
--- a/drivers/net/ethernet/ti/cpsw_new.c
+++ b/drivers/net/ethernet/ti/cpsw_new.c
@@ -17,6 +17,7 @@
#include <linux/phy.h>
#include <linux/phy/phy.h>
#include <linux/delay.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/pm_runtime.h>
#include <linux/gpio/consumer.h>
#include <linux/of.h>
@@ -2070,9 +2071,61 @@ static int cpsw_remove(struct platform_d
return 0;
}
+static int __maybe_unused cpsw_suspend(struct device *dev)
+{
+ struct cpsw_common *cpsw = dev_get_drvdata(dev);
+ int i;
+
+ rtnl_lock();
+
+ for (i = 0; i < cpsw->data.slaves; i++) {
+ struct net_device *ndev = cpsw->slaves[i].ndev;
+
+ if (!(ndev && netif_running(ndev)))
+ continue;
+
+ cpsw_ndo_stop(ndev);
+ }
+
+ rtnl_unlock();
+
+ /* Select sleep pin state */
+ pinctrl_pm_select_sleep_state(dev);
+
+ return 0;
+}
+
+static int __maybe_unused cpsw_resume(struct device *dev)
+{
+ struct cpsw_common *cpsw = dev_get_drvdata(dev);
+ int i;
+
+ /* Select default pin state */
+ pinctrl_pm_select_default_state(dev);
+
+ /* shut up ASSERT_RTNL() warning in netif_set_real_num_tx/rx_queues */
+ rtnl_lock();
+
+ for (i = 0; i < cpsw->data.slaves; i++) {
+ struct net_device *ndev = cpsw->slaves[i].ndev;
+
+ if (!(ndev && netif_running(ndev)))
+ continue;
+
+ cpsw_ndo_open(ndev);
+ }
+
+ rtnl_unlock();
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(cpsw_pm_ops, cpsw_suspend, cpsw_resume);
+
static struct platform_driver cpsw_driver = {
.driver = {
.name = "cpsw-switch",
+ .pm = &cpsw_pm_ops,
.of_match_table = cpsw_of_mtable,
},
.probe = cpsw_probe,
next prev parent reply other threads:[~2020-09-25 12:50 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-25 12:47 [PATCH 5.8 00/56] 5.8.12-rc1 review Greg Kroah-Hartman
2020-09-25 12:47 ` [PATCH 5.8 01/56] ibmvnic fix NULL tx_pools and rx_tools issue at do_reset Greg Kroah-Hartman
2020-09-25 12:47 ` [PATCH 5.8 02/56] ibmvnic: add missing parenthesis in do_reset() Greg Kroah-Hartman
2020-09-25 12:47 ` [PATCH 5.8 03/56] act_ife: load meta modules before tcf_idr_check_alloc() Greg Kroah-Hartman
2020-09-25 12:47 ` [PATCH 5.8 04/56] bnxt_en: Avoid sending firmware messages when AER error is detected Greg Kroah-Hartman
2020-09-25 12:47 ` [PATCH 5.8 05/56] bnxt_en: Fix NULL ptr dereference crash in bnxt_fw_reset_task() Greg Kroah-Hartman
2020-09-25 12:47 ` [PATCH 5.8 06/56] cxgb4: fix memory leak during module unload Greg Kroah-Hartman
2020-09-25 12:47 ` [PATCH 5.8 07/56] cxgb4: Fix offset when clearing filter byte counters Greg Kroah-Hartman
2020-09-25 12:47 ` [PATCH 5.8 08/56] geneve: add transport ports in route lookup for geneve Greg Kroah-Hartman
2020-09-25 12:47 ` [PATCH 5.8 09/56] hdlc_ppp: add range checks in ppp_cp_parse_cr() Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 10/56] hinic: bump up the timeout of SET_FUNC_STATE cmd Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 11/56] ip: fix tos reflection in ack and reset packets Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 12/56] ipv4: Initialize flowi4_multipath_hash in data path Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 13/56] ipv4: Update exception handling for multipath routes via same device Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 14/56] ipv6: avoid lockdep issue in fib6_del() Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 15/56] net: bridge: br_vlan_get_pvid_rcu() should dereference the VLAN group under RCU Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 16/56] net: DCB: Validate DCB_ATTR_DCB_BUFFER argument Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 17/56] net: dsa: rtl8366: Properly clear member config Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 18/56] net: Fix bridge enslavement failure Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 19/56] net: ipv6: fix kconfig dependency warning for IPV6_SEG6_HMAC Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 20/56] net/mlx5: Fix FTE cleanup Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 21/56] net: phy: call phy_disable_interrupts() in phy_attach_direct() instead Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 22/56] net: sched: initialize with 0 before setting erspan md->u Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 23/56] net: sch_generic: aviod concurrent reset and enqueue op for lockless qdisc Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 24/56] net: sctp: Fix IPv6 ancestor_size calc in sctp_copy_descendant Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 25/56] nfp: use correct define to return NONE fec Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 26/56] taprio: Fix allowing too small intervals Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 27/56] tipc: Fix memory leak in tipc_group_create_member() Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 28/56] tipc: fix shutdown() of connection oriented socket Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 29/56] tipc: use skb_unshare() instead in tipc_buf_append() Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 30/56] net/mlx5e: Enable adding peer miss rules only if merged eswitch is supported Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 31/56] net/mlx5e: TLS, Do not expose FPGA TLS counter if not supported Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 32/56] bnxt_en: Use memcpy to copy VPD field info Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 33/56] bnxt_en: return proper error codes in bnxt_show_temp Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 34/56] bnxt_en: Protect bnxt_set_eee() and bnxt_set_pauseparam() with mutex Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 35/56] net: lantiq: Wake TX queue again Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 36/56] net: lantiq: use netif_tx_napi_add() for TX NAPI Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 37/56] net: lantiq: Use napi_complete_done() Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 38/56] net: lantiq: Disable IRQs only if NAPI gets scheduled Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 39/56] net: phy: Avoid NPD upon phy_detach() when driver is unbound Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 40/56] net: phy: Do not warn in phy_stop() on PHY_DOWN Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 41/56] net: qrtr: check skb_put_padto() return value Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 42/56] net: add __must_check to skb_put_padto() Greg Kroah-Hartman
2020-09-25 12:48 ` Greg Kroah-Hartman [this message]
2020-09-25 12:48 ` [PATCH 5.8 44/56] wireguard: noise: take lock when removing handshake entry from table Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 45/56] wireguard: peerlookup: take lock before checking hash in replace operation Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 46/56] net: ipa: fix u32_replace_bits by u32p_xxx version Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 47/56] net/mlx5e: Fix memory leak of tunnel info when rule under multipath not ready Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 48/56] hinic: fix rewaking txq after netif_tx_disable Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 49/56] hv_netvsc: Fix hibernation for mlx5 VF driver Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 50/56] net: dsa: link interfaces with the DSA master to get rid of lockdep warnings Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 51/56] net: dsa: microchip: ksz8795: really set the correct number of ports Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 52/56] net: macb: fix for pause frame receive enable bit Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 53/56] Revert "netns: dont disable BHs when locking "nsid_lock"" Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 54/56] net/mlx5e: Use RCU to protect rq->xdp_prog Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 55/56] net/mlx5e: Use synchronize_rcu to sync with NAPI Greg Kroah-Hartman
2020-09-25 12:48 ` [PATCH 5.8 56/56] net/mlx5e: Fix endianness when calculating pedit mask first bit Greg Kroah-Hartman
2020-09-25 18:01 ` [PATCH 5.8 00/56] 5.8.12-rc1 review Jon Hunter
2020-09-26 16:09 ` Greg Kroah-Hartman
2020-09-25 18:32 ` Naresh Kamboju
2020-09-26 16:10 ` Greg Kroah-Hartman
2020-09-25 20:01 ` Shuah Khan
2020-09-26 16:10 ` Greg Kroah-Hartman
2020-09-25 21:22 ` Jeffrin Jose T
2020-09-26 16:10 ` Greg Kroah-Hartman
2020-09-26 15:44 ` Guenter Roeck
2020-09-26 16:10 ` Greg Kroah-Hartman
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