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of/device: Nullify match table in of_match_device() for CONFIG_OF=n
If the of_device_id table inside a device driver is protected by #ifdef CONFIG_OF, the driver still has to provide a dummy declaration of the table, or wrap it inside of_match_ptr(), when calling of_match_device() in the CONFIG_OF=n case, else the driver fails to compile with e.g. drivers/spi/spi-rspi.c: In function 'rspi_probe': drivers/spi/spi-rspi.c:1203:26: error: 'rspi_of_match' undeclared (first use in this function) drivers/spi/spi-rspi.c:1203:26: note: each undeclared identifier is reported only once for each function it appears in Make of_match_device() nullify the table pointer if CONFIG_OF=n to fix this. Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org> Signed-off-by: Rob Herring <robh@kernel.org>
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1 changed files with 3 additions and 1 deletions
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@ -78,11 +78,13 @@ static inline int of_device_uevent_modalias(struct device *dev,
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static inline void of_device_node_put(struct device *dev) { }
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static inline const struct of_device_id *of_match_device(
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static inline const struct of_device_id *__of_match_device(
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const struct of_device_id *matches, const struct device *dev)
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{
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return NULL;
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}
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#define of_match_device(matches, dev) \
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__of_match_device(of_match_ptr(matches), (dev))
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static inline struct device_node *of_cpu_device_node_get(int cpu)
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{
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