On 24/03/15 22:36, Mark Brown wrote:
On Tue, Mar 24, 2015 at 10:29:39PM +0000, Srinivas Kandagatla wrote:
This patch introduces regmap_get_max_register() function which would be
used by the infrastructures like eeprom framework built on top of
regmap.
In what way would it be used?
Its used in 2 purposes
1> It is used for sanity check purposes of the register ranges provided
via DT/non-DT eeprom data cells.
2> To stop user reading when eeprom binary from /sys/class/eeprom/*/eeprom
+int regmap_get_max_register(struct regmap *map)
+{
+ return map->max_register ? : -EINVAL;
+}
Please write the logic out properly, don't abuse the ternery operator.
Am happy to change it to your preference in next version, but this GNU
extensions widely used in the kernel
$ grep -rR "return.*? :" ./linux | wc -l
115
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