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[68.98.75.144]) by smtp.gmail.com with ESMTPSA id u4sm3695189pgu.35.2020.10.29.18.05.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Oct 2020 18:06:00 -0700 (PDT) Date: Thu, 29 Oct 2020 18:06:00 -0700 From: Nathan Chancellor To: Dong Aisheng Cc: linux-clk@vger.kernel.org, sboyd@kernel.org, mturquette@baylibre.com, linux-imx@nxp.com, kernel@pengutronix.de, fabio.estevam@nxp.com, shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v7 03/11] clk: imx: scu: add two cells binding support Message-ID: <20201030010600.GA2760@Ryzen-9-3900X.localdomain> References: <1596009618-25516-1-git-send-email-aisheng.dong@nxp.com> <1596009618-25516-4-git-send-email-aisheng.dong@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1596009618-25516-4-git-send-email-aisheng.dong@nxp.com> Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org On Wed, Jul 29, 2020 at 04:00:10PM +0800, Dong Aisheng wrote: > This patch implements the new two cells binding for SCU clocks. > The usage is as follows: > clocks = <&uart0_clk IMX_SC_R_UART_0 IMX_SC_PM_CLK_PER> > > Due to each SCU clock is associated with a power domain, without power > on the domain, the SCU clock can't work. So we create platform devices > for each domain clock respectively and manually attach the required domain > before register the clock devices, then we can register clocks in the > clock platform driver accordingly. > > Note because we do not have power domain info in device tree and the SCU > resource ID is the same for power domain and clock, so we use resource ID > to find power domains. > > Later, we will also use this clock platform driver to support suspend/resume > and runtime pm. > > Cc: Stephen Boyd > Cc: Shawn Guo > Cc: Sascha Hauer > Cc: Michael Turquette > Signed-off-by: Dong Aisheng This patch breaks allmodconfig. $ make -skj"$(nproc)" ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- distclean allmodconfig drivers/clk/imx/ In file included from ./include/linux/device.h:32, from ./include/linux/of_platform.h:9, from drivers/clk/imx/clk-scu.c:11: ./include/linux/device/driver.h:290:1: warning: data definition has no type or storage class 290 | device_initcall(__driver##_init); | ^~~~~~~~~~~~~~~ ./include/linux/platform_device.h:258:2: note: in expansion of macro 'builtin_driver' 258 | builtin_driver(__platform_driver, platform_driver_register) | ^~~~~~~~~~~~~~ drivers/clk/imx/clk-scu.c:545:1: note: in expansion of macro 'builtin_platform_driver' 545 | builtin_platform_driver(imx_clk_scu_driver); | ^~~~~~~~~~~~~~~~~~~~~~~ ./include/linux/device/driver.h:290:1: error: type defaults to 'int' in declaration of 'device_initcall' [-Werror=implicit-int] 290 | device_initcall(__driver##_init); | ^~~~~~~~~~~~~~~ ./include/linux/platform_device.h:258:2: note: in expansion of macro 'builtin_driver' 258 | builtin_driver(__platform_driver, platform_driver_register) | ^~~~~~~~~~~~~~ drivers/clk/imx/clk-scu.c:545:1: note: in expansion of macro 'builtin_platform_driver' 545 | builtin_platform_driver(imx_clk_scu_driver); | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/clk/imx/clk-scu.c:545:1: warning: parameter names (without types) in function declaration In file included from ./include/linux/device.h:32, from ./include/linux/of_platform.h:9, from drivers/clk/imx/clk-scu.c:11: drivers/clk/imx/clk-scu.c:545:25: warning: 'imx_clk_scu_driver_init' defined but not used [-Wunused-function] 545 | builtin_platform_driver(imx_clk_scu_driver); | ^~~~~~~~~~~~~~~~~~ ./include/linux/device/driver.h:286:19: note: in definition of macro 'builtin_driver' 286 | static int __init __driver##_init(void) \ | ^~~~~~~~ drivers/clk/imx/clk-scu.c:545:1: note: in expansion of macro 'builtin_platform_driver' 545 | builtin_platform_driver(imx_clk_scu_driver); | ^~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors make[4]: *** [scripts/Makefile.build:283: drivers/clk/imx/clk-scu.o] Error 1 make[4]: Target '__build' not remade because of errors. make[3]: *** [scripts/Makefile.build:500: drivers/clk/imx] Error 2 make[3]: Target '__build' not remade because of errors. make[2]: *** [scripts/Makefile.build:500: drivers/clk] Error 2 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1799: drivers] Error 2 make[1]: Target 'drivers/clk/imx/' not remade because of errors. make: *** [Makefile:335: __build_one_by_one] Error 2 make: Target 'distclean' not remade because of errors. make: Target 'allmodconfig' not remade because of errors. make: Target 'drivers/clk/imx/' not remade because of errors. Cheers, Nathan