[U-Boot] Many unused variable warnings

[Marek Vasut]

On 12/15/2016 04:55 AM, Masahiro Yamada wrote:
> Hi.
> 
> The recent GCC versions catch unused variables.
> 
> This makes build testing noisy.
> 
> Of course, we could use old GCC when running Buildman,
> but it would be nicer to eliminate the root causes.
> 
> I got the following when I recently ran Buildman with arm/aarch64 GCC 6.1.
> 
> 
> drivers/usb/gadget/dwc2_udc_otg.c was fixed lately,
> but there are still many warnings to be fixed.
> 
> Board maintainers, please check your own boards.

YES, SIR !

> Or, somebody who volunteers to fix them?  Thanks!

mxs should be fixed and dwc2 usb was fixed by you , thanks :)

> w+../arch/arm/cpu/arm926ejs/mxs/spl_boot.c:44:26: warning:
> 'iomux_boot' defined but not used [-Wunused-const-variable=]
> w+../common/cli_readline.c:20:21: warning: 'tab_seq' defined but not
> used [-Wunused-const-variable=]
> w+../common/cli_readline.c:19:19: warning: 'erase_seq' defined but not
> used [-Wunused-const-variable=]
> w+../drivers/usb/gadget/dwc2_udc_otg.c:72:19: warning: 'driver_desc'
> defined but not used [-Wunused-const-variable=]
> w+../arch/arm/mach-omap2/omap4/hw_data.c:136:3: warning:
> 'abe_dpll_params_sysclk_196608khz' defined but not used
> [-Wunused-const-variable=]
> w+../drivers/clk/rockchip/clk_rk3288.c:135:29: warning:
> 'cpll_init_cfg' defined but not used [-Wunused-const-variable=]
> w+../drivers/clk/rockchip/clk_rk3288.c:134:29: warning:
> 'gpll_init_cfg' defined but not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:226:33: warning: 'dual_0S' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:213:33: warning: 'dual_S0' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:196:33: warning: 'dual_0D' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:179:33: warning: 'dual_D0' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:162:33: warning: 'dual_SS' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:140:33: warning: 'dual_SD' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:119:33: warning: 'dual_DS' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:92:33: warning: 'dual_DD' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/usb/gadget/ether.c:501:17: warning: 'mdlm_detail_desc'
> defined but not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:80:33: warning: 'single_S' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:63:33: warning: 'single_D' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:36:33: warning: 'single_Q' defined but
> not used [-Wunused-const-variable=]
> w+../board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c:228:29:
> warning: 'usdhc1_pads' defined but not used [-Wunused-const-variable=]
> w+../drivers/net/eepro100.c:210:19: warning: 'i82557_config_cmd'
> defined but not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:456:33: warning: 'dual_0S' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:443:33: warning: 'dual_S0' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:426:33: warning: 'dual_0D' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:409:33: warning: 'dual_D0' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:392:33: warning: 'dual_SS' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:370:33: warning: 'dual_SD' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:349:33: warning: 'dual_DS' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/ddr/fsl/options.c:322:33: warning: 'dual_DD' defined but
> not used [-Wunused-const-variable=]
> w+../arch/arm/mach-omap2/omap5/hw_data.c:204:33: warning:
> 'abe_dpll_params_32k_196608khz' defined but not used
> [-Wunused-const-variable=]
> w+../arch/arm/mach-omap2/omap5/hw_data.c:131:4: warning:
> 'core_dpll_params_2128mhz_ddr266_es2' defined but not used
> [-Wunused-const-variable=]
> w+../arch/arm/mach-omap2/omap5/hw_data.c:120:4: warning:
> 'core_dpll_params_2128mhz_ddr266' defined but not used
> [-Wunused-const-variable=]
> w+../arch/arm/mach-omap2/omap5/hw_data.c:65:33: warning:
> 'mpu_dpll_params_499mhz' defined but not used
> [-Wunused-const-variable=]
> w+../arch/arm/mach-omap2/omap5/hw_data.c:54:33: warning:
> 'mpu_dpll_params_400mhz' defined but not used
> [-Wunused-const-variable=]
> w+../arch/arm/mach-omap2/omap5/hw_data.c:32:33: warning:
> 'mpu_dpll_params_1_5ghz' defined but not used
> [-Wunused-const-variable=]
> w+../board/phytec/pcm058/pcm058.c:136:29: warning: 'gpios_pads'
> defined but not used [-Wunused-const-variable=]
> w+../board/phytec/pcm058/pcm058.c:171:29: warning: 'usdhc4_pads'
> defined but not used [-Wunused-const-variable=]
> w+../board/phytec/pcm058/pcm058.c:112:29: warning: 'nfc_pads' defined
> but not used [-Wunused-const-variable=]
> w+../board/bachmann/ot1200/ot1200.c:276:29: warning: 'pwm_pad' defined
> but not used [-Wunused-const-variable=]
> w+../arch/arm/mach-omap2/omap5/hw_data.c:193:3: warning:
> 'abe_dpll_params_sysclk_196608khz' defined but not used
> [-Wunused-const-variable=]
> w+../drivers/video/ld9040.c:69:28: warning: 'SEQ_SLPIN' defined but
> not used [-Wunused-const-variable=]
> w+../drivers/video/ld9040.c:49:28: warning: 'SEQ_APON' defined but not
> used [-Wunused-const-variable=]
> w+../drivers/video/ld9040.c:25:28: warning: 'SEQ_TEMP_SWIRE' defined
> but not used [-Wunused-const-variable=]
> w+../drivers/video/ld9040.c:13:28: warning: 'SEQ_SWRESET' defined but
> not used [-Wunused-const-variable=]
> w+../board/toradex/colibri_imx7/colibri_imx7.c:101:29: warning:
> 'usdhc3_emmc_pads' defined but not used [-Wunused-const-variable=]
> w+../arch/arm/mach-rockchip/rk3036-board-spl.c:19:34: warning: 'grf'
> defined but not used [-Wunused-const-variable=]
> w+../board/congatec/cgtqmx6eval/cgtqmx6eval.c:84:29: warning:
> 'usdhc3_pads' defined but not used [-Wunused-const-variable=]
> w+../board/congatec/cgtqmx6eval/cgtqmx6eval.c:74:29: warning:
> 'usdhc2_pads' defined but not used [-Wunused-const-variable=]
> w+../drivers/usb/gadget/at91_udc.c:1506:35: warning:
> 'at91sam9263_udc_caps' defined but not used [-Wunused-const-variable=]
> w+../drivers/usb/gadget/at91_udc.c:1389:35: warning:
> 'at91rm9200_udc_caps' defined but not used [-Wunused-const-variable=]
> w+../board/gateworks/gw_ventana/common.c:140:29: warning:
> 'gwproto_gpio_pads' defined but not used [-Wunused-const-variable=]
> 
> 


-- 
Best regards,
Marek Vasut