The combination of init_timer and setting up the data and function field manually is equivalent to calling setup_timer(). This is an api consolidation only and improves readability. Acked-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx> Signed-off-by: Xie Qirong <cheerx1994@xxxxxxxxx> --- setup_timer.cocci suggested the following improvement: drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c:383:1-11: Use setup_timer function for function on line 384. Patch was compile checked with: x86_64_defconfig + CONFIG_BRCMFMAC=y + CONFIG_BRCMFMAC_USB=y + CONFIG_BRCMFMAC_PCIE=y + CONFIG_BRCM_TRACING=y + CONFIG_BRCMDBG=y Kernel version: 4.11.0 (localversion-next is next-20170512) drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c index 14a70d4b4e86..3559fb5b8fb0 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c @@ -380,9 +380,7 @@ int brcmf_btcoex_attach(struct brcmf_cfg80211_info *cfg) /* Set up timer for BT */ btci->timer_on = false; btci->timeout = BRCMF_BTCOEX_OPPR_WIN_TIME; - init_timer(&btci->timer); - btci->timer.data = (ulong)btci; - btci->timer.function = brcmf_btcoex_timerfunc; + setup_timer(&btci->timer, brcmf_btcoex_timerfunc, (ulong)btci); btci->cfg = cfg; btci->saved_regs_part1 = false; btci->saved_regs_part2 = false; -- 2.12.2