Hi,
-- a/arch/arm/include/asm/arch-omap4/cpu.h
> +++ b/arch/arm/include/asm/arch-omap4/cpu.h
> @@ -138,6 +138,7 @@ struct watchdog {
> #define I2C_BASE1 (OMAP44XX_L4_PER_BASE + 0x70000)
> #define I2C_BASE2 (OMAP44XX_L4_PER_BASE + 0x72000)
> #define I2C_BASE3 (OMAP44XX_L4_PER_BASE + 0x60000)
> +#define I2C_BASE4 (OMAP44XX_L4_PER_BASE + 0x350000)
>
> /* MUSB base */
> #define MUSB_BASE (OMAP44XX_L4_CORE_BASE + 0xAB000)
> diff --git a/arch/arm/include/asm/arch-omap4/i2c.h
> b/arch/arm/include/asm/arch-omap4/i2c.h
> index a91b4c2..02ee2f8 100644
> --- a/arch/arm/include/asm/arch-omap4/i2c.h
> +++ b/arch/arm/include/asm/arch-omap4/i2c.h
> @@ -23,7 +23,7 @@
> #ifndef _OMAP4_I2C_H_
> #define _OMAP4_I2C_H_
>
> -#define I2C_BUS_MAX 3
> +#define I2C_BUS_MAX 4
> #define I2C_DEFAULT_BASE I2C_BASE1
>
> struct i2c {
> diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c
> index 81193b0..df8ab92 100644
> --- a/drivers/i2c/omap24xx_i2c.c
> +++ b/drivers/i2c/omap24xx_i2c.c
> @@ -448,6 +448,14 @@ int i2c_set_bus_num(unsigned int bus)
> return -1;
> }
>
> +#if I2C_BUS_MAX == 4
> + if (bus == 3)
> + i2c_base = (struct i2c *)I2C_BASE4;
> + else
> + if (bus == 2)
> + i2c_base = (struct i2c *)I2C_BASE3;
> + else
> +#endif
How about having a const array of bases and directly index
from that than having #ifdefs and if checks ??
Thanks,
Sricharan
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