Messages in this thread Patch in this message | | | From | Nikita Kiryushin <> | Subject | [PATCH net-next v3] tg3: Remove residual error handling in tg3_suspend | Date | Mon, 1 Apr 2024 22:14:18 +0300 |
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As of now, tg3_power_down_prepare always ends with success, but the error handling code from former tg3_set_power_state call is still here.
This code became unreachable in commit c866b7eac073 ("tg3: Do not use legacy PCI power management").
Remove (now unreachable) error handling code for simplification and change tg3_power_down_prepare to a void function as its result is no more checked.
Signed-off-by: Nikita Kiryushin <kiryushin@ancud.ru> Reviewed-by: Michael Chan <michael.chan@broadcom.com> --- v3: - Change commit message wording as Jakub Kicinski <kuba@kernel.org> requested v2: https://lore.kernel.org/netdev/a6f3f931-17eb-4e53-9220-f81e7b311a8c@ancud.ru/ - Change tg3_power_down_prepare() to a void function as Michael Chan <michael.chan@broadcom.com> suggested v1: https://lore.kernel.org/netdev/4e7e11f8-03b5-4289-9475-d3b4e105d40a@ancud.ru/ drivers/net/ethernet/broadcom/tg3.c | 30 ++++------------------------- 1 file changed, 4 insertions(+), 26 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 04964bbe08cf..bc36926a57cf 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -4019,7 +4019,7 @@ static int tg3_power_up(struct tg3 *tp) static int tg3_setup_phy(struct tg3 *, bool); -static int tg3_power_down_prepare(struct tg3 *tp) +static void tg3_power_down_prepare(struct tg3 *tp) { u32 misc_host_ctrl; bool device_should_wake, do_low_power; @@ -4263,7 +4263,7 @@ static int tg3_power_down_prepare(struct tg3 *tp) tg3_ape_driver_state_change(tp, RESET_KIND_SHUTDOWN); - return 0; + return; } static void tg3_power_down(struct tg3 *tp) @@ -18090,7 +18090,6 @@ static int tg3_suspend(struct device *device) { struct net_device *dev = dev_get_drvdata(device); struct tg3 *tp = netdev_priv(dev); - int err = 0; rtnl_lock(); @@ -18114,32 +18113,11 @@ static int tg3_suspend(struct device *device) tg3_flag_clear(tp, INIT_COMPLETE); tg3_full_unlock(tp); - err = tg3_power_down_prepare(tp); - if (err) { - int err2; - - tg3_full_lock(tp, 0); - - tg3_flag_set(tp, INIT_COMPLETE); - err2 = tg3_restart_hw(tp, true); - if (err2) - goto out; - - tg3_timer_start(tp); - - netif_device_attach(dev); - tg3_netif_start(tp); - -out: - tg3_full_unlock(tp); - - if (!err2) - tg3_phy_start(tp); - } + tg3_power_down_prepare(tp); unlock: rtnl_unlock(); - return err; + return 0; } static int tg3_resume(struct device *device) -- 2.34.1
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