diff options
Diffstat (limited to 'drivers/pinctrl/renesas/sh_pfc.h')
-rw-r--r-- | drivers/pinctrl/renesas/sh_pfc.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/pinctrl/renesas/sh_pfc.h b/drivers/pinctrl/renesas/sh_pfc.h index f33e9f5e83a4..64e3dde99734 100644 --- a/drivers/pinctrl/renesas/sh_pfc.h +++ b/drivers/pinctrl/renesas/sh_pfc.h @@ -112,7 +112,7 @@ struct pinmux_cfg_reg { #define SET_NR_ENUM_IDS(n) #endif const u16 *enum_ids; - const u8 *var_field_width; + const s8 *var_field_width; }; #define GROUP(...) __VA_ARGS__ @@ -142,14 +142,15 @@ struct pinmux_cfg_reg { * - r_width: Width of the register (in bits) * - f_widths: List of widths of the register fields (in bits), from left * to right (i.e. MSB to LSB), wrapped using the GROUP() macro. - * - ids: For each register field (from left to right, i.e. MSB to LSB), - * 2^f_widths[i] enum IDs must be specified, one for each possible - * combination of the register field bit values, all wrapped using - * the GROUP() macro. + * Reserved fields are indicated by negating the field width. + * - ids: For each non-reserved register field (from left to right, i.e. MSB + * to LSB), 2^f_widths[i] 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_VAR(name, r, r_width, f_widths, ids) \ .reg = r, .reg_width = r_width, \ - .var_field_width = (const u8 []) { f_widths, 0 }, \ + .var_field_width = (const s8 []) { f_widths, 0 }, \ SET_NR_ENUM_IDS(sizeof((const u16 []) { ids }) / sizeof(u16)) \ .enum_ids = (const u16 []) { ids } |