On 19-06-18, 13:23, Taniya Das wrote: > Driver code (The below representation is just for example). > ============= > > V1 > #define ENABLE 0x0 > #define LUT_V1 0x110 > #define PERF_V1 0x920 > > V2 > #define LUT_V2 0x150 > #define PERF_V2 0x980 > > V3 > #define LUT_V3 0x120 > .... > > Do you want me to use "compatible" flag to > > if (compatible == v1) > enable = readl_relaxed(X + LUT_V1); > else if (compatible == v2) > enable = readl_relaxed(X + LUT_V2); > else if (compatible == v3) > enable = readl_relaxed(X + LUT_V2);
You can have fields in a struct somewhere like enable_offset, which you can fill based on compatible string only once during probe and then the rest of the code would just do: enable = readl_relaxed(X + struct->enable_offset); -- viresh
