From 80429a86e3d904be33991a2b9f29fa3b9983fb3a Mon Sep 17 00:00:00 2001 From: Ping-Ke Shih Date: Fri, 10 May 2019 16:03:33 +0800 Subject: [PATCH] rtlwifi: 8192de: use le32 to access cckswing tables The cckswing tables cckswing_table_ch1ch13 and cckswing_table_ch14 are u8 array in little-endian order. To compare four u8 value with register u32 value, cast the value to cpu order. Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo --- .../wireless/realtek/rtlwifi/rtl8192de/dm.c | 36 ++++++++----------- 1 file changed, 14 insertions(+), 22 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/dm.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/dm.c index df02cb6e5e91..71f3b6b5d7bd 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/dm.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/dm.c @@ -680,6 +680,7 @@ static void rtl92d_bandtype_2_4G(struct ieee80211_hw *hw, long *temp_cckg, int i; unsigned long flag = 0; long temp_cck; + const u8 *cckswing; /* Query CCK default setting From 0xa24 */ rtl92d_acquire_cckandrw_pagea_ctl(hw, &flag); @@ -687,28 +688,19 @@ static void rtl92d_bandtype_2_4G(struct ieee80211_hw *hw, long *temp_cckg, MASKDWORD) & MASKCCK; rtl92d_release_cckandrw_pagea_ctl(hw, &flag); for (i = 0; i < CCK_TABLE_LENGTH; i++) { - if (rtlpriv->dm.cck_inch14) { - if (!memcmp((void *)&temp_cck, - (void *)&cckswing_table_ch14[i][2], 4)) { - *cck_index_old = (u8) i; - RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, - "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n", - RCCK0_TXFILTER2, temp_cck, - *cck_index_old, - rtlpriv->dm.cck_inch14); - break; - } - } else { - if (!memcmp((void *) &temp_cck, - &cckswing_table_ch1ch13[i][2], 4)) { - *cck_index_old = (u8) i; - RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, - "Initial reg0x%x = 0x%lx, cck_index = 0x%x, ch14 %d\n", - RCCK0_TXFILTER2, temp_cck, - *cck_index_old, - rtlpriv->dm.cck_inch14); - break; - } + if (rtlpriv->dm.cck_inch14) + cckswing = &cckswing_table_ch14[i][2]; + else + cckswing = &cckswing_table_ch1ch13[i][2]; + + if (temp_cck == le32_to_cpu(*((__le32 *)cckswing))) { + *cck_index_old = (u8)i; + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "Initial reg0x%x = 0x%lx, cck_index = 0x%x, ch14 %d\n", + RCCK0_TXFILTER2, temp_cck, + *cck_index_old, + rtlpriv->dm.cck_inch14); + break; } } *temp_cckg = temp_cck; -- 2.30.2