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: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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@ -131,11 +131,23 @@
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#define READ_ID_BYTES 7
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#define READ_ID_BYTES 7
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/* macros for registers read/write */
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/* macros for registers read/write */
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#define nand_writel(info, off, val) \
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#define nand_writel(info, off, val) \
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writel_relaxed((val), (info)->mmio_base + (off))
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do { \
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dev_vdbg(&info->pdev->dev, \
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"%s():%d nand_writel(0x%x, 0x%04x)\n", \
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__func__, __LINE__, (val), (off)); \
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writel_relaxed((val), (info)->mmio_base + (off)); \
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} while (0)
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#define nand_readl(info, off) \
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#define nand_readl(info, off) \
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readl_relaxed((info)->mmio_base + (off))
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({ \
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unsigned int _v; \
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_v = readl_relaxed((info)->mmio_base + (off)); \
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dev_vdbg(&info->pdev->dev, \
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"%s():%d nand_readl(0x%04x) = 0x%x\n", \
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__func__, __LINE__, (off), _v); \
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_v; \
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})
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/* error code and state */
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/* error code and state */
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enum {
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enum {
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