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[2a01:c23:b830:5100:f22f:74ff:fe21:725]) by smtp.googlemail.com with ESMTPSA id g3-20020a170906538300b0082535e2da13sm7450475ejo.6.2022.12.28.05.36.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Dec 2022 05:36:39 -0800 (PST) From: Martin Blumenstingl To: linux-wireless@vger.kernel.org Cc: tony0620emma@gmail.com, kvalo@kernel.org, pkshih@realtek.com, tehuang@realtek.com, s.hauer@pengutronix.de, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Martin Blumenstingl Subject: [PATCH 1/4] rtw88: Add packed attribute to the eFuse structs Date: Wed, 28 Dec 2022 14:35:44 +0100 Message-Id: <20221228133547.633797-2-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228133547.633797-1-martin.blumenstingl@googlemail.com> References: <20221228133547.633797-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org The eFuse definitions in the rtw88 are using structs to describe the eFuse contents. Add the packed attribute to all structs used for the eFuse description so the compiler doesn't add gaps or re-order attributes. Also change the type of the res2..res3 eFuse fields to u16 to avoid the following warning, now that their surrounding struct has the packed attribute: note: offset of packed bit-field 'res2' has changed in GCC 4.4 Fixes: e3037485c68e ("rtw88: new Realtek 802.11ac driver") Fixes: ab0a031ecf29 ("rtw88: 8723d: Add read_efuse to recognize efuse info from map") Fixes: 769a29ce2af4 ("rtw88: 8821c: add basic functions") Fixes: 87caeef032fc ("wifi: rtw88: Add rtw8723du chipset support") Fixes: aff5ffd718de ("wifi: rtw88: Add rtw8821cu chipset support") Signed-off-by: Martin Blumenstingl --- drivers/net/wireless/realtek/rtw88/main.h | 6 +++--- drivers/net/wireless/realtek/rtw88/rtw8723d.h | 6 +++--- drivers/net/wireless/realtek/rtw88/rtw8821c.h | 20 +++++++++---------- drivers/net/wireless/realtek/rtw88/rtw8822b.h | 20 +++++++++---------- drivers/net/wireless/realtek/rtw88/rtw8822c.h | 20 +++++++++---------- 5 files changed, 36 insertions(+), 36 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h index 165f299e8e1f..8441c26680ad 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -438,7 +438,7 @@ struct rtw_2g_txpwr_idx { struct rtw_2g_ns_pwr_idx_diff ht_2s_diff; struct rtw_2g_ns_pwr_idx_diff ht_3s_diff; struct rtw_2g_ns_pwr_idx_diff ht_4s_diff; -}; +} __packed; struct rtw_5g_ht_1s_pwr_idx_diff { #ifdef __LITTLE_ENDIAN @@ -495,12 +495,12 @@ struct rtw_5g_txpwr_idx { struct rtw_5g_vht_ns_pwr_idx_diff vht_2s_diff; struct rtw_5g_vht_ns_pwr_idx_diff vht_3s_diff; struct rtw_5g_vht_ns_pwr_idx_diff vht_4s_diff; -}; +} __packed; struct rtw_txpwr_idx { struct rtw_2g_txpwr_idx pwr_idx_2g; struct rtw_5g_txpwr_idx pwr_idx_5g; -}; +} __packed; struct rtw_timer_list { struct timer_list timer; diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.h b/drivers/net/wireless/realtek/rtw88/rtw8723d.h index a356318a5c15..8160c4782457 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8723d.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.h @@ -39,7 +39,7 @@ struct rtw8723de_efuse { u8 device_id[2]; u8 sub_vender_id[2]; u8 sub_device_id[2]; -}; +} __packed; struct rtw8723du_efuse { u8 res4[48]; /* 0xd0 */ @@ -47,7 +47,7 @@ struct rtw8723du_efuse { u8 product_id[2]; /* 0x102 */ u8 usb_option; /* 0x104 */ u8 mac_addr[ETH_ALEN]; /* 0x107 */ -}; +} __packed; struct rtw8723d_efuse { __le16 rtl_id; @@ -81,7 +81,7 @@ struct rtw8723d_efuse { struct rtw8723de_efuse e; struct rtw8723du_efuse u; }; -}; +} __packed; extern const struct rtw_chip_info rtw8723d_hw_spec; diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h b/drivers/net/wireless/realtek/rtw88/rtw8821c.h index 1c81260f3a54..6ba0d4ee92bd 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.h @@ -27,7 +27,7 @@ struct rtw8821cu_efuse { u8 res11[0xcf]; u8 package_type; /* 0x1fb */ u8 res12[0x4]; -}; +} __packed; struct rtw8821ce_efuse { u8 mac_addr[ETH_ALEN]; /* 0xd0 */ @@ -43,13 +43,13 @@ struct rtw8821ce_efuse { u8 link_cap[4]; u8 link_control[2]; u8 serial_number[8]; - u8 res0:2; /* 0xf4 */ - u8 ltr_en:1; - u8 res1:2; - u8 obff:2; - u8 res2:3; - u8 obff_cap:2; - u8 res3:4; + u16 res0:2; /* 0xf4 */ + u16 ltr_en:1; + u16 res1:2; + u16 obff:2; + u16 res2:3; + u16 obff_cap:2; + u16 res3:4; u8 res4[3]; u8 class_code[3]; u8 pci_pm_L1_2_supp:1; @@ -63,7 +63,7 @@ struct rtw8821ce_efuse { u8 res6:1; u8 port_t_power_on_value:5; u8 res7; -}; +} __packed; struct rtw8821c_efuse { __le16 rtl_id; @@ -95,7 +95,7 @@ struct rtw8821c_efuse { struct rtw8821ce_efuse e; struct rtw8821cu_efuse u; }; -}; +} __packed; static inline void _rtw_write32s_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 data) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822b.h b/drivers/net/wireless/realtek/rtw88/rtw8822b.h index 01d3644e0c94..12a123436741 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822b.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8822b.h @@ -27,7 +27,7 @@ struct rtw8822bu_efuse { u8 res11[0xcf]; u8 package_type; /* 0x1fb */ u8 res12[0x4]; -}; +} __packed; struct rtw8822be_efuse { u8 mac_addr[ETH_ALEN]; /* 0xd0 */ @@ -43,13 +43,13 @@ struct rtw8822be_efuse { u8 link_cap[4]; u8 link_control[2]; u8 serial_number[8]; - u8 res0:2; /* 0xf4 */ - u8 ltr_en:1; - u8 res1:2; - u8 obff:2; - u8 res2:3; - u8 obff_cap:2; - u8 res3:4; + u16 res0:2; /* 0xf4 */ + u16 ltr_en:1; + u16 res1:2; + u16 obff:2; + u16 res2:3; + u16 obff_cap:2; + u16 res3:4; u8 res4[3]; u8 class_code[3]; u8 pci_pm_L1_2_supp:1; @@ -63,7 +63,7 @@ struct rtw8822be_efuse { u8 res6:1; u8 port_t_power_on_value:5; u8 res7; -}; +} __packed; struct rtw8822b_efuse { __le16 rtl_id; @@ -95,7 +95,7 @@ struct rtw8822b_efuse { struct rtw8822bu_efuse u; struct rtw8822be_efuse e; }; -}; +} __packed; static inline void _rtw_write32s_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 data) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.h b/drivers/net/wireless/realtek/rtw88/rtw8822c.h index 479d5d769c52..4ca7874fdc35 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.h @@ -14,7 +14,7 @@ struct rtw8822cu_efuse { u8 res1[3]; u8 mac_addr[ETH_ALEN]; /* 0x157 */ u8 res2[0x3d]; -}; +} __packed; struct rtw8822ce_efuse { u8 mac_addr[ETH_ALEN]; /* 0x120 */ @@ -30,13 +30,13 @@ struct rtw8822ce_efuse { u8 link_cap[4]; u8 link_control[2]; u8 serial_number[8]; - u8 res0:2; /* 0x144 */ - u8 ltr_en:1; - u8 res1:2; - u8 obff:2; - u8 res2:3; - u8 obff_cap:2; - u8 res3:4; + u16 res0:2; /* 0x144 */ + u16 ltr_en:1; + u16 res1:2; + u16 obff:2; + u16 res2:3; + u16 obff_cap:2; + u16 res3:4; u8 class_code[3]; u8 res4; u8 pci_pm_L1_2_supp:1; @@ -50,7 +50,7 @@ struct rtw8822ce_efuse { u8 res6:1; u8 port_t_power_on_value:5; u8 res7; -}; +} __packed; struct rtw8822c_efuse { __le16 rtl_id; @@ -94,7 +94,7 @@ struct rtw8822c_efuse { struct rtw8822cu_efuse u; struct rtw8822ce_efuse e; }; -}; +} __packed; enum rtw8822c_dpk_agc_phase { RTW_DPK_GAIN_CHECK, -- 2.39.0