diff options
Diffstat (limited to 'drivers/pinctrl/sh-pfc/sh_pfc.h')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/sh_pfc.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h index 754e325d0bdb..3848c104543d 100644 --- a/drivers/pinctrl/sh-pfc/sh_pfc.h +++ b/drivers/pinctrl/sh-pfc/sh_pfc.h @@ -115,20 +115,24 @@ struct pinmux_cfg_reg { const u8 *var_field_width; }; +#define GROUP(...) __VA_ARGS__ + /* * Describe a config register consisting of several fields of the same width * - name: Register name (unused, for documentation purposes only) * - r: Physical register address * - r_width: Width of the register (in bits) * - f_width: Width of the fixed-width register fields (in bits) - * This macro must be followed by initialization data: For each register field - * (from left to right, i.e. MSB to LSB), 2^f_width enum IDs must be specified, - * one for each possible combination of the register field bit values. + * - ids: For each register field (from left to right, i.e. MSB to LSB), + * 2^f_width enum IDs must be specified, one for each possible + * combination of the register field bit values, all wrapped using + * the GROUP() macro. */ -#define PINMUX_CFG_REG(name, r, r_width, f_width) \ +#define PINMUX_CFG_REG(name, r, r_width, f_width, ids) \ .reg = r, .reg_width = r_width, \ .field_width = f_width + BUILD_BUG_ON_ZERO(r_width % f_width), \ - .enum_ids = (const u16 [(r_width / f_width) * (1 << f_width)]) + .enum_ids = (const u16 [(r_width / f_width) * (1 << f_width)]) \ + { ids } /* * Describe a config register consisting of several fields of different widths |