diff options
| author | Alexander Stein <alexander.stein@ew.tq-group.com> | 2023-12-12 08:52:51 +0100 |
|---|---|---|
| committer | Robert Foss <rfoss@kernel.org> | 2023-12-15 14:58:20 +0100 |
| commit | c3b78577462782e20c18cd30f8fe9b735746467b (patch) | |
| tree | aaf2b5cd133b098e5f3f7e0c06477b4efb0833f7 /drivers/gpu/drm/bridge/tc358767.c | |
| parent | 2db4578ef6ffb2b52115ca0ebf897b60ec559556 (diff) | |
drm/bridge: tc358767: Use regmap_access_table for writeable registers
Using ranges it is easier to add more register where writing is not allowed,
especially for sequences of registers.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231212075257.75084-2-alexander.stein@ew.tq-group.com
Diffstat (limited to 'drivers/gpu/drm/bridge/tc358767.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358767.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 615cc8f950d7..b8b29b291b72 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1992,12 +1992,15 @@ static const struct regmap_access_table tc_volatile_table = { .n_yes_ranges = ARRAY_SIZE(tc_volatile_ranges), }; -static bool tc_writeable_reg(struct device *dev, unsigned int reg) -{ - return (reg != TC_IDREG) && - (reg != DP0_LTSTAT) && - (reg != DP0_SNKLTCHGREQ); -} +static const struct regmap_range tc_non_writeable_ranges[] = { + regmap_reg_range(TC_IDREG, TC_IDREG), + regmap_reg_range(DP0_LTSTAT, DP0_SNKLTCHGREQ), +}; + +static const struct regmap_access_table tc_writeable_table = { + .no_ranges = tc_non_writeable_ranges, + .n_no_ranges = ARRAY_SIZE(tc_non_writeable_ranges), +}; static const struct regmap_config tc_regmap_config = { .name = "tc358767", @@ -2008,7 +2011,7 @@ static const struct regmap_config tc_regmap_config = { .cache_type = REGCACHE_MAPLE, .readable_reg = tc_readable_reg, .volatile_table = &tc_volatile_table, - .writeable_reg = tc_writeable_reg, + .wr_table = &tc_writeable_table, .reg_format_endian = REGMAP_ENDIAN_BIG, .val_format_endian = REGMAP_ENDIAN_LITTLE, }; |