Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx> writes:
> Currently it takes almost 6 seconds to upload the firmware for RTL8192CU
> (and 11 seconds for RTL8192DU). That's because the firmware is uploaded
> one byte at a time.
>
> Also, after plugging the device, the firmware gets uploaded three times
> before a connection to the AP is established.
>
> Maybe this is fine for most users, but when testing changes to the
> driver it's really annoying to wait so long.
>
> Speed up the firmware upload by writing chunks of 64 bytes at a time.
> This way it takes about 110 ms for RTL8192CU (and about 210 ms for
> RTL8192DU).
>
> PCI devices could upload it in chunks of 4 bytes, but I don't have any
> to test and commit 89d32c9071aa ("rtlwifi: Download firmware as bytes
> rather than as dwords") decided otherwise anyway.
>
> Signed-off-by: Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>
There's another version so I assume I can drop this one:
https://patchwork.kernel.org/project/linux-wireless/patch/0d262acd-4f94-41c2-8d15-83486aeb976b@xxxxxxxxx/
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