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Re: EFUSE in RTW8723DS

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On 11/20/23 13:55, Martin Blumenstingl wrote:
Ping-Ke is right: the eFuse is split into two sections:
1. common (RF calibration, EEPROM version, antenna information,
country code, ...) which is independent of the HCI (host controller
interface)
2. HCI specific bits (PCI vendor/device IDs, USB vendor/device IDs,
SDIO specifics)

#1 has already existed for a long time and I didn't have to touch it
since it's the same for the PCIe, USB and SDIO variant of a wireless
chip.

For #2 there are no (known to me) SDIO specific bits other than the
MAC address. That's why I only added the MAC address for SDIO. If
there's more it can still be added.
Note that the MAC address has different offsets depending on whether
the HCI is PCIe, USB or SDIO.

Martin,

As shown in https://github.com/lwfinger/rtw88/issues/157#issuecomment-1820421821, driver rtw88 shows a lot worse performance than the vendor driver for a chip with a properly encoded EFUSE. Is this not a case of incorrect setting of the calibration data?

Larry




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