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>

diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h
index 6800e7ce1d7f12c788b44364e985f6de18d15e6d..a4d5f4fa9375c865a9296bad56826a12243caa70 100644 (file)
--- a/drivers/mmc/host/dw_mmc.h
+++ b/drivers/mmc/host/dw_mmc.h
@@ -488,32 +488,7 @@ static inline void mci_fifo_l_writeq(void __iomem *addr, u64 value)
 #define mci_writel(dev, reg, value)                    \
        writel_relaxed((value), (dev)->regs + SDMMC_##reg)
 
-/* 16-bit FIFO access macros */
-#define mci_readw(dev, reg)                    \
-       readw_relaxed((dev)->regs + SDMMC_##reg)
-#define mci_writew(dev, reg, value)                    \
-       writew_relaxed((value), (dev)->regs + SDMMC_##reg)
-
-/* 64-bit FIFO access macros */
-#ifdef readq
-#define mci_readq(dev, reg)                    \
-       readq_relaxed((dev)->regs + SDMMC_##reg)
-#define mci_writeq(dev, reg, value)                    \
-       writeq_relaxed((value), (dev)->regs + SDMMC_##reg)
-#else
-/*
- * Dummy readq implementation for architectures that don't define it.
- *
- * We would assume that none of these architectures would configure
- * the IP block with a 64bit FIFO width, so this code will never be
- * executed on those machines. Defining these macros here keeps the
- * rest of the code free from ifdefs.
- */
-#define mci_readq(dev, reg)                    \
-       (*(volatile u64 __force *)((dev)->regs + SDMMC_##reg))
-#define mci_writeq(dev, reg, value)                    \
-       (*(volatile u64 __force *)((dev)->regs + SDMMC_##reg) = (value))
-
+#ifndef readq
 #define __raw_writeq(__value, __reg) \
        (*(volatile u64 __force *)(__reg) = (__value))
 #define __raw_readq(__reg) (*(volatile u64 __force *)(__reg))