[OpenWrt-Devel] RFT: Add support for kernel 5.4

[Stefan Lippers-Hollmann]

Hi

On 2020-02-28, mail at adrianschmutzler.de wrote:
> Hi,
>
> > On 2020-02-28, Koen Vandeputte wrote:
[...]
> > All supported targets have been provided with kernel 5.4 as the "Testing
> > kernel".
> > This means you can enable 5.4 by selecting "Global --> use the testing kernel
> > version" within menuconfig.
>
> Thanks for your work.
>
> By moving ag71xx to files-4.19 on ath79, I suspect 4.14 is broken now on
> this target.
> So, we should either copy that to files-4.14 as well or remove the
> remaining 4.14 files there as well (where I'd prefer the latter).

ath79 with kernel 4.14 has already been (mostly) broken by "ath79: add
new ar934x spi driver" (ebf0d8dadeca443121f4f597c51bf6591e341caf), which
does break the (shared between all kernel versions) DTS definitions for
NAND based ath79 devices (breaking compilation with kernel 4.14).

Because of "FS#2524 - ath79-tiny: TP-Link TL-WR941ND v2.4: Marvel
MV88E6060 regression between kernel v4.14 and v4.19"
https://bugs.openwrt.org/index.php?do=details&task_id=2524 I still do
regularly build ath79 with kernel 4.14, but in order to finish the build
I do need to comment out the affected devices:

$ grep \# ath79-k414.diff
+#TARGET_DEVICES += tplink_cpe210-v1
+#TARGET_DEVICES += tplink_cpe220-v2
+#TARGET_DEVICES += tplink_cpe510-v1
+#TARGET_DEVICES += tplink_cpe510-v2
+#TARGET_DEVICES += tplink_cpe510-v3
+#TARGET_DEVICES += tplink_cpe610-v1
+#TARGET_DEVICES += tplink_tl-wdr3500-v1
+#TARGET_DEVICES += tplink_tl-wdr3600-v1
+#TARGET_DEVICES += tplink_tl-wdr4300-v1
+#TARGET_DEVICES += tplink_tl-wdr4300-v1-il
+#TARGET_DEVICES += tplink_tl-wr842n-v2
+#TARGET_DEVICES += tplink_wbs210-v2
+#TARGET_DEVICES += tplink_wbs510-v1
+#TARGET_DEVICES += tplink_wbs510-v2
+#TARGET_DEVICES += ubnt_bullet-m-xw
+#TARGET_DEVICES += ubnt_lap-120
+#TARGET_DEVICES += ubnt_litebeam-ac-gen2
+#TARGET_DEVICES += ubnt_nanobeam-ac
+#TARGET_DEVICES += ubnt_nanostation-ac
+#TARGET_DEVICES += ubnt_nanostation-ac-loco
+#TARGET_DEVICES += ubnt_nanostation-loco-m-xw
+#TARGET_DEVICES += ubnt_nanostation-m-xw
+#TARGET_DEVICES += comfast_cf-e120a-v3
+#TARGET_DEVICES += dlink_dir-825-c1
+#TARGET_DEVICES += dlink_dir-835-a1
+#TARGET_DEVICES += iodata_etg3-r
+#TARGET_DEVICES += iodata_wn-ag300dgr
+#TARGET_DEVICES += ocedo_raccoon
+#TARGET_DEVICES += pcs_cap324
+#TARGET_DEVICES += pcs_cr3000
+#TARGET_DEVICES += pcs_cr5000
+#TARGET_DEVICES += pisen_wmb001n
+#TARGET_DEVICES += qihoo_c301
+#TARGET_DEVICES += sitecom_wlr-7100
+#TARGET_DEVICES += teltonika_rut955
+#TARGET_DEVICES += wd_mynet-n750
+#TARGET_DEVICES += wd_mynet-wifi-rangeextender
+#TARGET_DEVICES += winchannel_wb2000
+#TARGET_DEVICES += zbtlink_zbt-wd323

Admittedly, the affected TL-WR941ND v2 (4/32) is barely worth the effort
anymore.

Regards
	Stefan Lippers-Hollmann

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