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Consolidate of_device_is_compatible
The only difference here is that Sparc uses strncmp to match compatibility names while PowerPC uses strncasecmp. Signed-off-by: Stephen Rothwell <[email protected]> Acked-by: Paul Mackerras <[email protected]> Acked-by: David S. Miller <[email protected]>
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7 changed files with 30 additions and 67 deletions
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@ -63,3 +63,27 @@ const void *of_get_property(const struct device_node *np, const char *name,
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return pp ? pp->value : NULL;
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}
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EXPORT_SYMBOL(of_get_property);
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/** Checks if the given "compat" string matches one of the strings in
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* the device's "compatible" property
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*/
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int of_device_is_compatible(const struct device_node *device,
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const char *compat)
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{
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const char* cp;
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int cplen, l;
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cp = of_get_property(device, "compatible", &cplen);
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if (cp == NULL)
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return 0;
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while (cplen > 0) {
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if (of_compat_cmp(cp, compat, strlen(compat)) == 0)
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return 1;
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l = strlen(cp) + 1;
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cp += l;
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cplen -= l;
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}
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return 0;
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}
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EXPORT_SYMBOL(of_device_is_compatible);
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