[PATCH v2 2/2] phy: renesas: r8a779f0-ether-serdes: add new step added to latest datasheet

[Michael Dege]

Hello,

> -----Original Message-----
> From: kernel test robot <lkp at intel.com>
> Sent: Tuesday, May 27, 2025 11:41 AM
> To: Michael Dege <michael.dege at renesas.com>; Vinod Koul <vkoul at kernel.org>; Kishon Vijay Abraham I
> <kishon at kernel.org>; Yoshihiro Shimoda <yoshihiro.shimoda.uh at renesas.com>
> Cc: oe-kbuild-all at lists.linux.dev; Michael Dege <michael.dege at renesas.com>; Uwe Kleine-König
> <u.kleine-koenig at baylibre.com>; linux-phy at lists.infradead.org; linux-kernel at vger.kernel.org
> Subject: Re: [PATCH v2 2/2] phy: renesas: r8a779f0-ether-serdes: add new step added to latest
> datasheet
>
> Hi Michael,
>
> kernel test robot noticed the following build errors:
>
> [auto build test ERROR on a5806cd506af5a7c19bcd596e4708b5c464bfd21]
>
> url:    https://github.com/intel-lab-
> lkp%2Flinux%2Fcommits%2FMichael-Dege%2Fphy-renesas-r8a779f0-ether-serdes-add-USXGMII-mode%2F20250527-
> 150048&data=05%7C02%7Cmichael.dege%40renesas.com%7C8302e9fad5af4162a89e08dd9d02baac%7C53d82571da1947e4
> 9cb4625a166a4a2a%7C0%7C0%7C638839357252567523%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIw
> LjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=%2FImajCm4YD6H2309lF5m
> zmCObCS6%2FpCZMotTI57bteo%3D&reserved=0
> base:   a5806cd506af5a7c19bcd596e4708b5c464bfd21
> patch link:
> https://lore.kernel.org/r/20250527-
> renesas-serdes-update-v2-2-
> ef17c71cd94c%2540renesas.com&data=05%7C02%7Cmichael.dege%40renesas.com%7C8302e9fad5af4162a89e08dd9d02b
> aac%7C53d82571da1947e49cb4625a166a4a2a%7C0%7C0%7C638839357252584964%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU
> 1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=
> JzM8KY23Z1AzRSwou%2BkMTRWBkvC6hOaDEDENTTH6GEQ%3D&reserved=0
> patch subject: [PATCH v2 2/2] phy: renesas: r8a779f0-ether-serdes: add new step added to latest
> datasheet
> config: arc-randconfig-001-20250527
> (https://download.01.org/0day-
> ci%2Farchive%2F20250527%2F202505271711.WM48TTTI-
> lkp%40intel.com%2Fconfig&data=05%7C02%7Cmichael.dege%40renesas.com%7C8302e9fad5af4162a89e08dd9d02baac%
> 7C53d82571da1947e49cb4625a166a4a2a%7C0%7C0%7C638839357252595528%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcG
> kiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=8JtB
> v%2BFmcJng5BiSSjnOhSodkQ2dtBH8kQnVQdXBhmo%3D&reserved=0)
> compiler: arc-linux-gcc (GCC) 10.5.0
> reproduce (this is a W=1 build):
> (https://download.01.org/0day-
> ci%2Farchive%2F20250527%2F202505271711.WM48TTTI-
> lkp%40intel.com%2Freproduce&data=05%7C02%7Cmichael.dege%40renesas.com%7C8302e9fad5af4162a89e08dd9d02ba
> ac%7C53d82571da1947e49cb4625a166a4a2a%7C0%7C0%7C638839357252606183%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1
> hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=b
> tqrLQmBkVgPbAQ64H1ls6R9%2BQn0WTfNWUVrTApuDjY%3D&reserved=0)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of the same
> patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp at intel.com>
> | Closes:
> | https://lore/
> | .kernel.org%2Foe-kbuild-all%2F202505271711.WM48TTTI-lkp%40intel.com%2F
> | &data=05%7C02%7Cmichael.dege%40renesas.com%7C8302e9fad5af4162a89e08dd9
> | d02baac%7C53d82571da1947e49cb4625a166a4a2a%7C0%7C0%7C63883935725261673
> | 0%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIs
> | IlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=ja
> | r%2FB6U8ENcw71CzP2jduv2gEQrSkOUj%2Fnhf6jcPv5A%3D&reserved=0
>
> All errors (new ones prefixed by >>):

I will fix the issue and send around a new version of the patch set.

>
>    drivers/phy/renesas/r8a779f0-ether-serdes.c: In function 'r8a779f0_eth_serdes_read32':
> >> drivers/phy/renesas/r8a779f0-ether-serdes.c:54:25: error: 'RENESAS_ETH_SERDES_BANK_SELECT'
> undeclared (first use in this function); did you mean 'R8A779F0_ETH_SERDES_BANK_SELECT'?
>       54 |  iowrite32(bank, addr + RENESAS_ETH_SERDES_BANK_SELECT);
>          |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>          |                         R8A779F0_ETH_SERDES_BANK_SELECT
>    drivers/phy/renesas/r8a779f0-ether-serdes.c:54:25: note: each undeclared identifier is reported
> only once for each function it appears in
>
>
> vim +54 drivers/phy/renesas/r8a779f0-ether-serdes.c
>
>     51
>     52        static u32 r8a779f0_eth_serdes_read32(void __iomem *addr, u32 offs,  u32 bank)
>     53        {
>   > 54                iowrite32(bank, addr + RENESAS_ETH_SERDES_BANK_SELECT);
>     55
>     56                return ioread32(addr + offs);
>     57        }
>     58
>

Thank you and best regards,

Michael
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-
> tests%2Fwiki&data=05%7C02%7Cmichael.dege%40renesas.com%7C8302e9fad5af4162a89e08dd9d02baac%7C53d82571da
> 1947e49cb4625a166a4a2a%7C0%7C0%7C638839357252626902%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIl
> YiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=s8LGQlWaPw4C3ihZ
> 9X6WiQaZWuxKLPlqd0sGv7T8uw8%3D&reserved=0
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