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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
mmc: dw_mmc: Remove unused register access macros
The mci_readw/mci_writew/mci_readq/mci_writeq macros were added
to provide 16-bit and 64-bit register access operations, but they
have remained unused since their introduction. Remove these dead code.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
authored by
Shawn Lin
and committed by
Ulf Hansson
c6969a13
7597d68c
+1
-26
+1
-26
drivers/mmc/host/dw_mmc.h
+1
-26
drivers/mmc/host/dw_mmc.h
···
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#define mci_writel(dev, reg, value) \
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writel_relaxed((value), (dev)->regs + SDMMC_##reg)
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-
/* 16-bit FIFO access macros */
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#define mci_readw(dev, reg) \
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readw_relaxed((dev)->regs + SDMMC_##reg)
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#define mci_writew(dev, reg, value) \
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writew_relaxed((value), (dev)->regs + SDMMC_##reg)
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-
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/* 64-bit FIFO access macros */
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#ifdef readq
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#define mci_readq(dev, reg) \
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readq_relaxed((dev)->regs + SDMMC_##reg)
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#define mci_writeq(dev, reg, value) \
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writeq_relaxed((value), (dev)->regs + SDMMC_##reg)
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#else
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/*
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* Dummy readq implementation for architectures that don't define it.
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*
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* We would assume that none of these architectures would configure
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* the IP block with a 64bit FIFO width, so this code will never be
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* executed on those machines. Defining these macros here keeps the
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* rest of the code free from ifdefs.
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*/
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#define mci_readq(dev, reg) \
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(*(volatile u64 __force *)((dev)->regs + SDMMC_##reg))
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#define mci_writeq(dev, reg, value) \
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(*(volatile u64 __force *)((dev)->regs + SDMMC_##reg) = (value))
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-
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+
#ifndef readq
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#define __raw_writeq(__value, __reg) \
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(*(volatile u64 __force *)(__reg) = (__value))
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#define __raw_readq(__reg) (*(volatile u64 __force *)(__reg))