Hello. On 03/28/2016 06:02 PM, David Lechner wrote:
+/* register offsets */ +#define CFGCHIP_REG(n) (n * 4) +#define CFGCHIP0_REG CFGCHIP_REG(0) +#define CFGCHIP1_REG CFGCHIP_REG(1) +#define CFGCHIP2_REG CFGCHIP_REG(2) +#define CFGCHIP3_REG CFGCHIP_REG(3) +#define CFGCHIP4_REG CFGCHIP_REG(4)Why not just use CFGCHIP_REG(n) directly?I considered that, but I went this way because A) the TRM uses, for example, "CFGCHIP2", so I wanted to keep "CFGCHIP" and "2" together
I'd just drop the _REG suffix.
and B) this tells you how many CFGCHIP registers there are, i.e. there is no CFGCHIP5_REG.
You can tell that in a comment. Having a parametrized macro and using it to just #define more macros doesn't appeal to me at all...
MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
