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Commit 26d072e3 authored by Robert Jarzmik's avatar Robert Jarzmik Committed by Brian Norris
Browse files

mtd: nand: pxa3xx_nand: add register access debug 



Add verbose debug for register accesses. This enables easier debugging
by following where and how hardware is stimulated, and how it answers.

Signed-off-by: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
Acked-by: default avatarEzequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent 02c3b0bd

drivers/mtd/nand/pxa3xx_nand.c

+17 −5
Original line number Diff line number Diff line
@@ -132,10 +132,22 @@ 


/* macros for registers read/write */

#define nand_writel(info, off, val)					\

	writel_relaxed((val), (info)->mmio_base + (off))

	do {								\

		dev_vdbg(&info->pdev->dev,				\

			 "%s():%d nand_writel(0x%x, 0x%04x)\n",		\

			 __func__, __LINE__, (val), (off));		\

		writel_relaxed((val), (info)->mmio_base + (off));	\

	} while (0)



#define nand_readl(info, off)						\

	readl_relaxed((info)->mmio_base + (off))

	({								\

		unsigned int _v;					\

		_v = readl_relaxed((info)->mmio_base + (off));		\

		dev_vdbg(&info->pdev->dev,				\

			 "%s():%d nand_readl(0x%04x) = 0x%x\n",		\

			 __func__, __LINE__, (off), _v);		\

		_v;							\

	})



/* error code and state */

enum {