[gpio:gpio-descriptors-regulator 15/26] drivers//regulator/lp8788-ldo.c:510:21: error: 'struct lp8788_ldo' has no member named 'ena'

[kbuild test robot <fengguang.wu@xxxxxxxxx>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git gpio-descriptors-regulator
head:   186f22f6b871b01dc5ed06f31c7a1e248133cd8c
commit: 460e9d2590fedc3246482199186d7d0fd4a8f44a [15/26] regulator: lp8788-ldo: Pass descriptor instead of GPIO number
config: x86_64-randconfig-x008-201800 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
        git checkout 460e9d2590fedc3246482199186d7d0fd4a8f44a
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers//regulator/lp8788-ldo.c: In function 'lp8788_config_ldo_enable_mode':
>> drivers//regulator/lp8788-ldo.c:510:21: error: 'struct lp8788_ldo' has no member named 'ena'
      return PTR_ERR(ldo->ena->gpiod);
                        ^~

vim +510 drivers//regulator/lp8788-ldo.c

   464	
   465	static int lp8788_config_ldo_enable_mode(struct platform_device *pdev,
   466						struct lp8788_ldo *ldo,
   467						enum lp8788_ldo_id id)
   468	{
   469		struct lp8788 *lp = ldo->lp;
   470		enum lp8788_ext_ldo_en_id enable_id;
   471		u8 en_mask[] = {
   472			[EN_ALDO1]   = LP8788_EN_SEL_ALDO1_M,
   473			[EN_ALDO234] = LP8788_EN_SEL_ALDO234_M,
   474			[EN_ALDO5]   = LP8788_EN_SEL_ALDO5_M,
   475			[EN_ALDO7]   = LP8788_EN_SEL_ALDO7_M,
   476			[EN_DLDO7]   = LP8788_EN_SEL_DLDO7_M,
   477			[EN_DLDO911] = LP8788_EN_SEL_DLDO911_M,
   478		};
   479	
   480		switch (id) {
   481		case DLDO7:
   482			enable_id = EN_DLDO7;
   483			break;
   484		case DLDO9:
   485		case DLDO11:
   486			enable_id = EN_DLDO911;
   487			break;
   488		case ALDO1:
   489			enable_id = EN_ALDO1;
   490			break;
   491		case ALDO2 ... ALDO4:
   492			enable_id = EN_ALDO234;
   493			break;
   494		case ALDO5:
   495			enable_id = EN_ALDO5;
   496			break;
   497		case ALDO7:
   498			enable_id = EN_ALDO7;
   499			break;
   500		default:
   501			return 0;
   502		}
   503	
   504		/* FIXME: check default mode for GPIO here: high or low? */
   505		ldo->ena_gpiod = devm_gpiod_get_index_optional(&pdev->dev,
   506							       "enable",
   507							       enable_id,
   508							       GPIOD_OUT_HIGH);
   509		if (IS_ERR(ldo->ena_gpiod))
 > 510			return PTR_ERR(ldo->ena->gpiod);
   511	
   512		/* if no GPIO for ldo pin, then set default enable mode */
   513		if (!ldo->ena_gpiod)
   514			goto set_default_ldo_enable_mode;
   515	
   516		return 0;
   517	
   518	set_default_ldo_enable_mode:
   519		return lp8788_update_bits(lp, LP8788_EN_SEL, en_mask[enable_id], 0);
   520	}
   521	

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