linux-kernel - Re: [net-next 2/9] net: stmmac: platform: Convert to devm_clk_get_enabled() and devm_clk_get_optional

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Message-ID: <20240822132539.GQ2164@kernel.org>
Date: Thu, 22 Aug 2024 14:25:39 +0100
From: Simon Horman <horms@...nel.org>
To: Yangtao Li <frank.li@...o.com>
Cc: clement.leger@...tlin.com, andrew@...n.ch, f.fainelli@...il.com,
	olteanv@...il.com, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, ulli.kroll@...glemail.com,
	linus.walleij@...aro.org, marcin.s.wojtas@...il.com,
	linux@...linux.org.uk, alexandre.torgue@...s.st.com,
	joabreu@...opsys.com, mcoquelin.stm32@...il.com,
	hkallweit1@...il.com, justinstitt@...gle.com, kees@...nel.org,
	u.kleine-koenig@...gutronix.de, jacob.e.keller@...el.com,
	shannon.nelson@....com, linux-renesas-soc@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com
Subject: Re: [net-next 2/9] net: stmmac: platform: Convert to
 devm_clk_get_enabled() and devm_clk_get_optional_enabled()

On Thu, Aug 22, 2024 at 02:47:26AM -0600, Yangtao Li wrote:
> Use devm_clk_get_enabled() and devm_clk_get_optional_enabled()
> to simplify code.
> 
> Signed-off-by: Yangtao Li <frank.li@...o.com>

Hi Yangtao Li,

I feel that I am missing something obvious here,
but this patch fails to build when applied to net-next.

clang-18 for an x86_64 allmodconfig W=1 build says:

drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c:625:10: error: incompatible pointer types returning 'struct clk *' from a function with result type 'struct plat_stmmacenet_data *' [-Werror,-Wincompatible-pointer-types]
  625 |                 return plat->pclk;
      |                        ^~~~~~~~~~
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c:641:10: error: incompatible pointer types returning 'struct reset_control *' from a function with result type 'struct plat_stmmacenet_data *' [-Werror,-Wincompatible-pointer-types]
  641 |                 return plat->stmmac_rst;
      |                        ^~~~~~~~~~~~~~~~
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c:646:10: error: incompatible pointer types returning 'struct reset_control *' from a function with result type 'struct plat_stmmacenet_data *' [-Werror,-Wincompatible-pointer-types]
  646 |                 return plat->stmmac_ahb_rst;
      |                        ^~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c:437:8: warning: unused variable 'ret' [-Wunused-variable]
  437 |         void *ret;
      |               ^~~