disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/mfd/tmio.h
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@@ -54,19 +54,8 @@
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  * idle before writing to some registers.
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  */
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 #define TMIO_MMC_HAS_IDLE_WAIT		BIT(4)
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-/*
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- * A GPIO is used for card hotplug detection. We need an extra flag for this,
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- * because 0 is a valid GPIO number too, and requiring users to specify
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- * cd_gpio < 0 to disable GPIO hotplug would break backwards compatibility.
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- */
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-#define TMIO_MMC_USE_GPIO_CD		BIT(5)
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-/*
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- * Some controllers doesn't have over 0x100 register.
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- * it is used to checking accessibility of
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- * CTL_SD_CARD_CLK_CTL / CTL_CLK_AND_WAIT_CTL
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- */
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-#define TMIO_MMC_HAVE_HIGH_REG		BIT(6)
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+/* BIT(5) is unused */
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 /*
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  * Some controllers have CMD12 automatically
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@@ -90,9 +79,6 @@
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 /* Some controllers have a CBSY bit */
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 #define TMIO_MMC_HAVE_CBSY		BIT(11)
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-/* Some controllers that support HS400 use use 4 taps while others use 8. */
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-#define TMIO_MMC_HAVE_4TAP_HS400	BIT(13)
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-
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 int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
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 int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
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 void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
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@@ -111,7 +97,6 @@
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 	unsigned long			capabilities2;
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 	unsigned long			flags;
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 	u32				ocr_mask;	/* available voltages */
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-	unsigned int			cd_gpio;
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 	int				alignment_shift;
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 	dma_addr_t			dma_rx_offset;
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 	unsigned int			max_blk_count;