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SubjectRe: [RFC PATCH v1 19/19] rtw88: Add support for the SDIO based RTL8821CS chipset
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Am 04.01.23 um 20:59 schrieb Bitterblue Smith:
> The USB-based RTL8811CU also doesn't work, with suspiciously similar
> errors:
>
> Dec 25 21:43:37 home kernel: rtw_8821cu 1-2:1.0: Firmware version 24.11.0, H2C version 12
> Dec 25 21:43:37 home kernel: rtw_8821cu 1-2:1.0 wlp0s20f0u2: renamed from wlan0
> Dec 25 21:43:40 home kernel: rtw_8821cu 1-2:1.0: read register 0x5 failed with -110
> Dec 25 21:43:41 home kernel: rtw_8821cu 1-2:1.0: read register 0x20 failed with -110
> Dec 25 21:44:11 home kernel: rtw_8821cu 1-2:1.0: write register 0x20 failed with -110
> Dec 25 21:44:12 home kernel: rtw_8821cu 1-2:1.0: read register 0x7c failed with -110
> Dec 25 21:44:43 home kernel: rtw_8821cu 1-2:1.0: write register 0x7c failed with -110
> Dec 25 21:44:44 home kernel: rtw_8821cu 1-2:1.0: read register 0x1080 failed with -110
> Dec 25 21:45:16 home kernel: rtw_8821cu 1-2:1.0: write register 0x1080 failed with -110

Same for me: I saw very similar read/write failures with my "Realtek
Semiconductor Corp. 802.11ac NIC" (ID 0bda:c811) after applying Ping-Ke's patch
for rfe 38 (see my message to linux-wireless on Dec 29).

Felix

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