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Date: Mon, 29 Jul 2019 10:57:31 -0700 (PDT) From: David Miller <davem@...emloft.net> To: martin.blumenstingl@...glemail.com Cc: peppe.cavallaro@...com, alexandre.torgue@...com, joabreu@...opsys.com, netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-amlogic@...ts.infradead.org Subject: Re: [PATCH] net: stmmac: manage errors returned by of_get_mac_address() From: Martin Blumenstingl <martin.blumenstingl@...glemail.com> Date: Sat, 27 Jul 2019 21:21:37 +0200 > Commit d01f449c008a ("of_net: add NVMEM support to of_get_mac_address") > added support for reading the MAC address from an nvmem-cell. This > required changing the logic to return an error pointer upon failure. > > If stmmac is loaded before the nvmem provider driver then > of_get_mac_address() return an error pointer with -EPROBE_DEFER. > > Propagate this error so the stmmac driver will be probed again after the > nvmem provider driver is loaded. > Default to a random generated MAC address in case of any other error, > instead of using the error pointer as MAC address. > > Fixes: d01f449c008a ("of_net: add NVMEM support to of_get_mac_address") > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com> Applied, thanks.
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