• Stephen Warren's avatar
    dt: add property iteration helpers · c541adc6
    Stephen Warren authored
    This patch adds macros of_property_for_each_u32() and
    of_property_for_each_string(), which iterate over an array of values
    within a device-tree property. Usage is for example:
    
    struct property *prop;
    const __be32 *p;
    u32 u;
    of_property_for_each_u32(np, "propname", prop, p, u)
    	printk("U32 value: %x\n", u);
    
    struct property *prop;
    const char *s;
    of_property_for_each_string(np, "propname", prop, s)
    	printk("String value: %s\n", s);
    
    Based on work by Rob Herring <robherring2@gmail.com>
    
    Cc: Grant Likely <grant.likely@secretlab.ca>
    Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
    Acked-by: default avatarRob Herring <rob.herring@calxeda.com>
    Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
    c541adc6
base.c 33.5 KB