powerpc: Const-qualify Device Node Argument to DCR Resource Extent API
Add const qualifier to device_node argument for dcr_resource_{start,len} as of_get_property also const-qualifies this argument. Signed-off-by: Grant Erickson <gerickson@nuovations.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
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@ -68,9 +68,9 @@ typedef dcr_host_mmio_t dcr_host_t;
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* additional helpers to read the DCR * base from the device-tree
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* additional helpers to read the DCR * base from the device-tree
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*/
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*/
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struct device_node;
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struct device_node;
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extern unsigned int dcr_resource_start(struct device_node *np,
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extern unsigned int dcr_resource_start(const struct device_node *np,
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unsigned int index);
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unsigned int index);
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extern unsigned int dcr_resource_len(struct device_node *np,
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extern unsigned int dcr_resource_len(const struct device_node *np,
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unsigned int index);
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unsigned int index);
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#endif /* CONFIG_PPC_DCR */
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#endif /* CONFIG_PPC_DCR */
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#endif /* __ASSEMBLY__ */
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#endif /* __ASSEMBLY__ */
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@ -124,7 +124,8 @@ EXPORT_SYMBOL_GPL(dcr_write_generic);
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#endif /* defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO) */
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#endif /* defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO) */
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unsigned int dcr_resource_start(struct device_node *np, unsigned int index)
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unsigned int dcr_resource_start(const struct device_node *np,
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unsigned int index)
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{
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{
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unsigned int ds;
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unsigned int ds;
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const u32 *dr = of_get_property(np, "dcr-reg", &ds);
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const u32 *dr = of_get_property(np, "dcr-reg", &ds);
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@ -136,7 +137,7 @@ unsigned int dcr_resource_start(struct device_node *np, unsigned int index)
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}
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}
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EXPORT_SYMBOL_GPL(dcr_resource_start);
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EXPORT_SYMBOL_GPL(dcr_resource_start);
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unsigned int dcr_resource_len(struct device_node *np, unsigned int index)
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unsigned int dcr_resource_len(const struct device_node *np, unsigned int index)
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{
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{
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unsigned int ds;
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unsigned int ds;
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const u32 *dr = of_get_property(np, "dcr-reg", &ds);
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const u32 *dr = of_get_property(np, "dcr-reg", &ds);
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