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Commit b37fd415 authored by Hiroshi DOYU's avatar Hiroshi DOYU Committed by Greg Kroah-Hartman
Browse files

ARM: tegra30: MC: Remove unnecessary BUG*() 



Accessing interleaved MC register offsets/ranges are verified. BUG*()s
in accessors can be removed.

Signed-off-by: default avatarHiroshi DOYU <hdoyu@nvidia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0c733a42

drivers/memory/tegra30-mc.c

+8 −12
Original line number Diff line number Diff line
@@ -91,18 +91,18 @@ struct tegra30_mc { 


static inline u32 mc_readl(struct tegra30_mc *mc, u32 offs)

{

	u32 val = 0;



	if (offs < 0x10)

		return readl(mc->regs[0] + offs);

	BUG_ON(offs < 0x3c);

		val = readl(mc->regs[0] + offs);

	if (offs < 0x1f0)

		return readl(mc->regs[1] + offs - 0x3c);

	BUG_ON(offs < 0x200);

		val = readl(mc->regs[1] + offs - 0x3c);

	if (offs < 0x228)

		return readl(mc->regs[2] + offs - 0x200);

	BUG_ON(offs < 0x284);

		val = readl(mc->regs[2] + offs - 0x200);

	if (offs < 0x400)

		return readl(mc->regs[3] + offs - 0x284);

	BUG();

		val = readl(mc->regs[3] + offs - 0x284);



	return val;

}



static inline void mc_writel(struct tegra30_mc *mc, u32 val, u32 offs)
@@ -111,22 +111,18 @@ static inline void mc_writel(struct tegra30_mc *mc, u32 val, u32 offs) 
		writel(val, mc->regs[0] + offs);

		return;

	}

	BUG_ON(offs < 0x3c);

	if (offs < 0x1f0) {

		writel(val, mc->regs[1] + offs - 0x3c);

		return;

	}

	BUG_ON(offs < 0x200);

	if (offs < 0x228) {

		writel(val, mc->regs[2] + offs - 0x200);

		return;

	}

	BUG_ON(offs < 0x284);

	if (offs < 0x400) {

		writel(val, mc->regs[3] + offs - 0x284);

		return;

	}

	BUG();

}



static const char * const tegra30_mc_client[] = {