RE: [PATCH v2 5/5] wifi: rtw88: rtw8822c: Implement RTL8822CS (SDIO) efuse parsing
From: Ping-Ke Shih <pkshih@realtek.com>
Date: 2023-02-20 00:27:41
Also in:
lkml, netdev
-----Original Message----- From: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Sent: Saturday, February 18, 2023 11:30 PM To: linux-wireless@vger.kernel.org Cc: tony0620emma@gmail.com; kvalo@kernel.org; netdev@vger.kernel.org; linux-kernel@vger.kernel.org; Neo Jou [off-list ref]; Jernej Skrabec [off-list ref]; Ping-Ke Shih [off-list ref]; Martin Blumenstingl [off-list ref] Subject: [PATCH v2 5/5] wifi: rtw88: rtw8822c: Implement RTL8822CS (SDIO) efuse parsing The efuse of the SDIO RTL8822CS chip has only one known member: the mac address is at offset 0x16a. Add a struct rtw8822cs_efuse describing this and use it for copying the mac address when the SDIO bus is used. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
quoted hunk ↗ jump to hunk
--- - add the new function/union member/case statement last (after USB) - while here, also sort the union members to be consistent with the switch case (PCIe first, USB second, SDIO last) drivers/net/wireless/realtek/rtw88/rtw8822c.c | 9 +++++++++ drivers/net/wireless/realtek/rtw88/rtw8822c.h | 8 +++++++- 2 files changed, 16 insertions(+), 1 deletion(-)diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.cb/drivers/net/wireless/realtek/rtw88/rtw8822c.c index 964e27887fe2..5a2c004b12df 100644--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c@@ -35,6 +35,12 @@ static void rtw8822cu_efuse_parsing(struct rtw_efuse *efuse, ether_addr_copy(efuse->addr, map->u.mac_addr); } +static void rtw8822cs_efuse_parsing(struct rtw_efuse *efuse, + struct rtw8822c_efuse *map) +{ + ether_addr_copy(efuse->addr, map->s.mac_addr); +} + static int rtw8822c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) { struct rtw_efuse *efuse = &rtwdev->efuse;@@ -67,6 +73,9 @@ static int rtw8822c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) case RTW_HCI_TYPE_USB: rtw8822cu_efuse_parsing(efuse, map); break; + case RTW_HCI_TYPE_SDIO: + rtw8822cs_efuse_parsing(efuse, map); + break; default: /* unsupported now */ return -ENOTSUPP;diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.hb/drivers/net/wireless/realtek/rtw88/rtw8822c.h index 479d5d769c52..1bc0e7f5d6bb 100644--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.h@@ -16,6 +16,11 @@ struct rtw8822cu_efuse { u8 res2[0x3d]; }; +struct rtw8822cs_efuse { + u8 res0[0x4a]; /* 0x120 */ + u8 mac_addr[ETH_ALEN]; /* 0x16a */ +} __packed; + struct rtw8822ce_efuse { u8 mac_addr[ETH_ALEN]; /* 0x120 */ u8 vender_id[2];@@ -91,8 +96,9 @@ struct rtw8822c_efuse { u8 res9; u8 res10[0x42]; union { - struct rtw8822cu_efuse u; struct rtw8822ce_efuse e; + struct rtw8822cu_efuse u; + struct rtw8822cs_efuse s; }; }; --2.39.2