From: Bitterblue Smith Date: Wed, 18 Dec 2024 00:16:11 +0000 (+0200) Subject: wifi: rtw88: 8821a/8812a: Set ptct_efuse_size to 0 X-Git-Tag: v6.14-rc1~162^2~20^2~5^2~21 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=74a72c367573ad521becf6cc4d649e14387b3c64;p=thirdparty%2Fkernel%2Flinux.git wifi: rtw88: 8821a/8812a: Set ptct_efuse_size to 0 Some RTL8812AU devices fail to probe: [ 12.478774] rtw_8812au 1-1.3:1.0: failed to dump efuse logical map [ 12.487712] rtw_8812au 1-1.3:1.0: failed to setup chip efuse info [ 12.487742] rtw_8812au 1-1.3:1.0: failed to setup chip information [ 12.491077] rtw_8812au: probe of 1-1.3:1.0 failed with error -22 It turns out these chips don't need to "protect" any bytes at the end of the efuse. The original value of 96 was copied from rtw8821c.c. No one reported any failures with RTL8821AU yet, but the vendor driver uses the same efuse reading code for both chips. Signed-off-by: Bitterblue Smith Acked-by: Ping-Ke Shih Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/1a477adb-60c3-463c-b158-3f86c94cb821@gmail.com --- diff --git a/drivers/net/wireless/realtek/rtw88/rtw8812a.c b/drivers/net/wireless/realtek/rtw88/rtw8812a.c index d8f0ed70777f3..21795286a1a06 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8812a.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8812a.c @@ -1027,7 +1027,7 @@ const struct rtw_chip_info rtw8812a_hw_spec = { .rx_buf_desc_sz = 8, .phy_efuse_size = 512, .log_efuse_size = 512, - .ptct_efuse_size = 96 + 1, /* TODO or just 18? */ + .ptct_efuse_size = 0, .txff_size = 131072, .rxff_size = 16128, .rsvd_drv_pg_num = 9, diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821a.c b/drivers/net/wireless/realtek/rtw88/rtw8821a.c index db242c9ad68f5..dafab2af33bc2 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821a.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821a.c @@ -1118,7 +1118,7 @@ const struct rtw_chip_info rtw8821a_hw_spec = { .rx_buf_desc_sz = 8, .phy_efuse_size = 512, .log_efuse_size = 512, - .ptct_efuse_size = 96 + 1, /* TODO or just 18? */ + .ptct_efuse_size = 0, .txff_size = 65536, .rxff_size = 16128, .rsvd_drv_pg_num = 8,