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mmc: size optimization when !CONFIG_MMC_SPI
When CONFIG_MMC_SPI is not enabled, the MMC_MODE_SPI capability can
never be set. However there is code in mmc.c which uses the
mmc_host_is_spi macro to check that capability & act accordingly. If we
expand that macro to 0 when CONFIG_MMC_SPI is not set (since it will
always be 0 at runtime anyway) then the compiler can optimize away the
SPI-specific code paths in mmc.c.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
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@@ -335,7 +335,11 @@ |
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void mmc_set_preinit(struct mmc *mmc, int preinit); |
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#ifdef CONFIG_GENERIC_MMC |
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+#ifdef CONFIG_MMC_SPI |
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#define mmc_host_is_spi(mmc) ((mmc)->host_caps & MMC_MODE_SPI) |
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+#else |
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+#define mmc_host_is_spi(mmc) 0 |
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+#endif |
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struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode); |
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#else |
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int mmc_legacy_init(int verbose); |
Pantelis Antoniou