On Sat, 2021-07-31 at 13:40 +0100, Colin King wrote: > From: Colin Ian King <colin.king@xxxxxxxxxxxxx> > > Don't populate arrays the stack but instead make them static const > Makes the object code smaller by 852 bytes. [] > diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c [] > @@ -1354,7 +1354,7 @@ static void _rtl92d_phy_switch_rf_setting(struct ieee80211_hw *hw, u8 channel) > > > u8 rtl92d_get_rightchnlplace_for_iqk(u8 chnl) > { > - u8 channel_all[59] = { > + static const u8 channel_all[59] = { > 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, > 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, > 60, 62, 64, 100, 102, 104, 106, 108, 110, 112, > @@ -3220,7 +3220,7 @@ void rtl92d_phy_config_macphymode_info(struct ieee80211_hw *hw) > u8 rtl92d_get_chnlgroup_fromarray(u8 chnl) > { > u8 group; > - u8 channel_info[59] = { > + static const u8 channel_info[59] = { > 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, > 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, > 58, 60, 62, 64, 100, 102, 104, 106, 108, These two arrays (channel_info and channel_all) are identical but laid out differently and could be combined and use a single name.