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Thu, 29 May 2025 02:28:55 -0700 (PDT) Message-ID: Date: Thu, 29 May 2025 10:28:54 +0100 Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/8] ASoC: codecs: Constify regmap configuration static variables To: Krzysztof Kozlowski , David Rhodes , Richard Fitzgerald , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Support Opensource , Oder Chiou , Srinivas Kandagatla , Shengjiu Wang , Xiubo Li , Fabio Estevam , Nicolin Chen Cc: linux-sound@vger.kernel.org, patches@opensource.cirrus.com, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org References: <20250528-asoc-const-unused-v1-0-19a5d07b9d5c@linaro.org> <20250528-asoc-const-unused-v1-1-19a5d07b9d5c@linaro.org> Content-Language: en-US From: Srinivas Kandagatla In-Reply-To: <20250528-asoc-const-unused-v1-1-19a5d07b9d5c@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/28/25 8:59 PM, Krzysztof Kozlowski wrote: > Static arrays/structs for regmap configuration like 'struct > reg_default', 'struct reg_sequence' and others are not modified so can > be changed to const for more safety. > > Signed-off-by: Krzysztof Kozlowski > --- > sound/soc/codecs/cs35l36.c | 2 +- > sound/soc/codecs/da7218.c | 2 +- > sound/soc/codecs/da7219.c | 4 ++-- > sound/soc/codecs/es8375.c | 2 +- > sound/soc/codecs/max98363.c | 2 +- > sound/soc/codecs/max98373-i2c.c | 2 +- > sound/soc/codecs/max98373-sdw.c | 2 +- > sound/soc/codecs/max98388.c | 2 +- > sound/soc/codecs/max98390.c | 2 +- > sound/soc/codecs/max98396.c | 4 ++-- > sound/soc/codecs/max98504.c | 2 +- > sound/soc/codecs/max98520.c | 2 +- > sound/soc/codecs/max98927.c | 2 +- > sound/soc/codecs/rt722-sdca-sdw.c | 2 +- > sound/soc/codecs/wcd938x.c | 2 +- > sound/soc/codecs/wsa881x.c | 4 ++-- > sound/soc/codecs/wsa883x.c | 2 +- > sound/soc/codecs/wsa884x.c | 2 +- For sound/soc/codecs/wsa* an sound/soc/codecs/wcd* Reviewed-by: Srinivas Kandagatla --srini > 18 files changed, 21 insertions(+), 21 deletions(-) > > diff --git a/sound/soc/codecs/cs35l36.c b/sound/soc/codecs/cs35l36.c > index b49c6905e8727d7c07fd10e668507ca07bf2cff5..b60697ff7a506dccf3dba1b01faa985761bbbc42 100644 > --- a/sound/soc/codecs/cs35l36.c > +++ b/sound/soc/codecs/cs35l36.c > @@ -129,7 +129,7 @@ static const struct cs35l36_pll_config cs35l36_pll_sysclk[] = { > {27000000, 0x3F, 0x0A}, > }; > > -static struct reg_default cs35l36_reg[] = { > +static const struct reg_default cs35l36_reg[] = { > {CS35L36_TESTKEY_CTRL, 0x00000000}, > {CS35L36_USERKEY_CTL, 0x00000000}, > {CS35L36_OTP_CTRL1, 0x00002460}, > diff --git a/sound/soc/codecs/da7218.c b/sound/soc/codecs/da7218.c > index 5f2f67e3bd29240acfa0d53a0892c8e92f711c1f..a7539e1a18939683558accd207b57324a1ce6aeb 100644 > --- a/sound/soc/codecs/da7218.c > +++ b/sound/soc/codecs/da7218.c > @@ -3033,7 +3033,7 @@ static const struct snd_soc_component_driver soc_component_dev_da7218 = { > * Regmap configs > */ > > -static struct reg_default da7218_reg_defaults[] = { > +static const struct reg_default da7218_reg_defaults[] = { > { DA7218_SYSTEM_ACTIVE, 0x00 }, > { DA7218_CIF_CTRL, 0x00 }, > { DA7218_SPARE1, 0x00 }, > diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c > index 3958e88a244563c81b373cab38bc221fc8ba795e..221577574525a5fd60180a4441331d7db88f50e2 100644 > --- a/sound/soc/codecs/da7219.c > +++ b/sound/soc/codecs/da7219.c > @@ -2312,7 +2312,7 @@ static void da7219_handle_pdata(struct snd_soc_component *component) > * Regmap configs > */ > > -static struct reg_default da7219_reg_defaults[] = { > +static const struct reg_default da7219_reg_defaults[] = { > { DA7219_MIC_1_SELECT, 0x00 }, > { DA7219_CIF_TIMEOUT_CTRL, 0x01 }, > { DA7219_SR_24_48, 0x00 }, > @@ -2443,7 +2443,7 @@ static const struct regmap_config da7219_regmap_config = { > .cache_type = REGCACHE_RBTREE, > }; > > -static struct reg_sequence da7219_rev_aa_patch[] = { > +static const struct reg_sequence da7219_rev_aa_patch[] = { > { DA7219_REFERENCES, 0x08 }, > }; > > diff --git a/sound/soc/codecs/es8375.c b/sound/soc/codecs/es8375.c > index decc86c92427c0c61a1531fb0fed1d9b853449d5..d12b3dc9e1f7fc03b8737e6b001b44c0d51c1b93 100644 > --- a/sound/soc/codecs/es8375.c > +++ b/sound/soc/codecs/es8375.c > @@ -619,7 +619,7 @@ static bool es8375_writeable_register(struct device *dev, unsigned int reg) > } > } > > -static struct regmap_config es8375_regmap_config = { > +static const struct regmap_config es8375_regmap_config = { > .reg_bits = 8, > .val_bits = 8, > .max_register = ES8375_REG_MAX, > diff --git a/sound/soc/codecs/max98363.c b/sound/soc/codecs/max98363.c > index 950105e5bffdc2c7606e10e7af6f3cf97ece5b4c..fd6830a7579d4860c8bc4fdd26d05698834ddcc2 100644 > --- a/sound/soc/codecs/max98363.c > +++ b/sound/soc/codecs/max98363.c > @@ -14,7 +14,7 @@ > > #include "max98363.h" > > -static struct reg_default max98363_reg[] = { > +static const struct reg_default max98363_reg[] = { > {MAX98363_R2021_ERR_MON_CTRL, 0x0}, > {MAX98363_R2022_SPK_MON_THRESH, 0x0}, > {MAX98363_R2023_SPK_MON_DURATION, 0x0}, > diff --git a/sound/soc/codecs/max98373-i2c.c b/sound/soc/codecs/max98373-i2c.c > index 56c4ba1f37826f279df4007b0de36fa932257b8f..f58b8c8625a7061fc9564c9f84dd95d77df33b72 100644 > --- a/sound/soc/codecs/max98373-i2c.c > +++ b/sound/soc/codecs/max98373-i2c.c > @@ -23,7 +23,7 @@ static const u32 max98373_i2c_cache_reg[] = { > MAX98373_R20B6_BDE_CUR_STATE_READBACK, > }; > > -static struct reg_default max98373_reg[] = { > +static const struct reg_default max98373_reg[] = { > {MAX98373_R2000_SW_RESET, 0x00}, > {MAX98373_R2001_INT_RAW1, 0x00}, > {MAX98373_R2002_INT_RAW2, 0x00}, > diff --git a/sound/soc/codecs/max98373-sdw.c b/sound/soc/codecs/max98373-sdw.c > index 6088278e6503dc7ea743ccc439cd6365c7475017..43b52bda6ad5297d856123aa515e0019f4866097 100644 > --- a/sound/soc/codecs/max98373-sdw.c > +++ b/sound/soc/codecs/max98373-sdw.c > @@ -26,7 +26,7 @@ static const u32 max98373_sdw_cache_reg[] = { > MAX98373_R20B6_BDE_CUR_STATE_READBACK, > }; > > -static struct reg_default max98373_reg[] = { > +static const struct reg_default max98373_reg[] = { > {MAX98373_R0040_SCP_INIT_STAT_1, 0x00}, > {MAX98373_R0041_SCP_INIT_MASK_1, 0x00}, > {MAX98373_R0042_SCP_INIT_STAT_2, 0x00}, > diff --git a/sound/soc/codecs/max98388.c b/sound/soc/codecs/max98388.c > index 99986090b4a63a9759763881f3004d0e509e53cd..076f15a9867e13527324354cd6364ade3bca4846 100644 > --- a/sound/soc/codecs/max98388.c > +++ b/sound/soc/codecs/max98388.c > @@ -18,7 +18,7 @@ > #include > #include "max98388.h" > > -static struct reg_default max98388_reg[] = { > +static const struct reg_default max98388_reg[] = { > {MAX98388_R2000_SW_RESET, 0x00}, > {MAX98388_R2001_INT_RAW1, 0x00}, > {MAX98388_R2002_INT_RAW2, 0x00}, > diff --git a/sound/soc/codecs/max98390.c b/sound/soc/codecs/max98390.c > index 76296176f9486f72a9d6077a0c69a475e277ed88..a8a282ff9fc5abfbf6c6bdc7fc209ed15bda0cfd 100644 > --- a/sound/soc/codecs/max98390.c > +++ b/sound/soc/codecs/max98390.c > @@ -23,7 +23,7 @@ > > #include "max98390.h" > > -static struct reg_default max98390_reg_defaults[] = { > +static const struct reg_default max98390_reg_defaults[] = { > {MAX98390_INT_EN1, 0xf0}, > {MAX98390_INT_EN2, 0x00}, > {MAX98390_INT_EN3, 0x00}, > diff --git a/sound/soc/codecs/max98396.c b/sound/soc/codecs/max98396.c > index c1888cd83dbc6fe2d418012dc1a9b1c58c3ded86..4b4e1fc98a6da5bf3a713133ce974b2f09161ed4 100644 > --- a/sound/soc/codecs/max98396.c > +++ b/sound/soc/codecs/max98396.c > @@ -16,7 +16,7 @@ static const char * const max98396_core_supplies[MAX98396_NUM_CORE_SUPPLIES] = { > "dvddio", > }; > > -static struct reg_default max98396_reg[] = { > +static const struct reg_default max98396_reg[] = { > {MAX98396_R2000_SW_RESET, 0x00}, > {MAX98396_R2001_INT_RAW1, 0x00}, > {MAX98396_R2002_INT_RAW2, 0x00}, > @@ -174,7 +174,7 @@ static struct reg_default max98396_reg[] = { > {MAX98396_R21FF_REVISION_ID, 0x00}, > }; > > -static struct reg_default max98397_reg[] = { > +static const struct reg_default max98397_reg[] = { > {MAX98396_R2000_SW_RESET, 0x00}, > {MAX98396_R2001_INT_RAW1, 0x00}, > {MAX98396_R2002_INT_RAW2, 0x00}, > diff --git a/sound/soc/codecs/max98504.c b/sound/soc/codecs/max98504.c > index 6b6a7ece4cecc3d114da276faf859c8176955300..c94142768c818228aae8b90c636cfd6b496e9859 100644 > --- a/sound/soc/codecs/max98504.c > +++ b/sound/soc/codecs/max98504.c > @@ -35,7 +35,7 @@ struct max98504_priv { > unsigned int brownout_release_rate; > }; > > -static struct reg_default max98504_reg_defaults[] = { > +static const struct reg_default max98504_reg_defaults[] = { > { 0x01, 0}, > { 0x02, 0}, > { 0x03, 0}, > diff --git a/sound/soc/codecs/max98520.c b/sound/soc/codecs/max98520.c > index adf5a898c6df5b10661861f6329ca54db6445f1a..2bf8976c1828210d2e6106f08e571df650640606 100644 > --- a/sound/soc/codecs/max98520.c > +++ b/sound/soc/codecs/max98520.c > @@ -16,7 +16,7 @@ > #include > #include "max98520.h" > > -static struct reg_default max98520_reg[] = { > +static const struct reg_default max98520_reg[] = { > {MAX98520_R2000_SW_RESET, 0x00}, > {MAX98520_R2001_STATUS_1, 0x00}, > {MAX98520_R2002_STATUS_2, 0x00}, > diff --git a/sound/soc/codecs/max98927.c b/sound/soc/codecs/max98927.c > index 55cc18451a2d26e0ad72031d5017d68c215240ef..0e9b8970997cf6485a775a3187b1470f93b5c057 100644 > --- a/sound/soc/codecs/max98927.c > +++ b/sound/soc/codecs/max98927.c > @@ -19,7 +19,7 @@ > #include > #include "max98927.h" > > -static struct reg_default max98927_reg[] = { > +static const struct reg_default max98927_reg[] = { > {MAX98927_R0001_INT_RAW1, 0x00}, > {MAX98927_R0002_INT_RAW2, 0x00}, > {MAX98927_R0003_INT_RAW3, 0x00}, > diff --git a/sound/soc/codecs/rt722-sdca-sdw.c b/sound/soc/codecs/rt722-sdca-sdw.c > index 609ca0d6c83a1f28c73a0981f2a8f857816e5eb2..70700bdb80a14374321d1d8d8744356484ac01ac 100644 > --- a/sound/soc/codecs/rt722-sdca-sdw.c > +++ b/sound/soc/codecs/rt722-sdca-sdw.c > @@ -147,7 +147,7 @@ static int rt722_sdca_mbq_size(struct device *dev, unsigned int reg) > } > } > > -static struct regmap_sdw_mbq_cfg rt722_mbq_config = { > +static const struct regmap_sdw_mbq_cfg rt722_mbq_config = { > .mbq_size = rt722_sdca_mbq_size, > }; > > diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c > index d9b61eab029af3d4782620ee017fc84fbd26ce0b..342d1f7d5dee3ac2d703e5b5602aef9ca2987158 100644 > --- a/sound/soc/codecs/wcd938x.c > +++ b/sound/soc/codecs/wcd938x.c > @@ -275,7 +275,7 @@ static const struct regmap_irq wcd938x_irqs[WCD938X_NUM_IRQS] = { > REGMAP_IRQ_REG(WCD938X_IRQ_HPHR_SURGE_DET_INT, 2, 0x08), > }; > > -static struct regmap_irq_chip wcd938x_regmap_irq_chip = { > +static const struct regmap_irq_chip wcd938x_regmap_irq_chip = { > .name = "wcd938x", > .irqs = wcd938x_irqs, > .num_irqs = ARRAY_SIZE(wcd938x_irqs), > diff --git a/sound/soc/codecs/wsa881x.c b/sound/soc/codecs/wsa881x.c > index 6627d2da372206eff879f8f3bd5fae9ddc0757d7..d479521a6d504ee45797be8ea99206a4b1787f73 100644 > --- a/sound/soc/codecs/wsa881x.c > +++ b/sound/soc/codecs/wsa881x.c > @@ -202,7 +202,7 @@ > SOC_SINGLE_EXT_TLV(xname, reg, shift, max, invert, \ > snd_soc_get_volsw, wsa881x_put_pa_gain, tlv_array) > > -static struct reg_default wsa881x_defaults[] = { > +static const struct reg_default wsa881x_defaults[] = { > { WSA881X_CHIP_ID0, 0x00 }, > { WSA881X_CHIP_ID1, 0x00 }, > { WSA881X_CHIP_ID2, 0x00 }, > @@ -346,7 +346,7 @@ static const struct reg_sequence wsa881x_vi_txfe_en_2_0[] = { > }; > > /* Default register reset values for WSA881x rev 2.0 */ > -static struct reg_sequence wsa881x_rev_2_0[] = { > +static const struct reg_sequence wsa881x_rev_2_0[] = { > { WSA881X_RESET_CTL, 0x00, 0x00 }, > { WSA881X_TADC_VALUE_CTL, 0x01, 0x00 }, > { WSA881X_INTR_MASK, 0x1B, 0x00 }, > diff --git a/sound/soc/codecs/wsa883x.c b/sound/soc/codecs/wsa883x.c > index f04d99c66f332e18fe4c201f78360416c1607466..13c9d4a6f01537e448a5595f489c1716eb2053f2 100644 > --- a/sound/soc/codecs/wsa883x.c > +++ b/sound/soc/codecs/wsa883x.c > @@ -572,7 +572,7 @@ static const struct sdw_port_config wsa883x_pconfig[WSA883X_MAX_SWR_PORTS] = { > }, > }; > > -static struct reg_default wsa883x_defaults[] = { > +static const struct reg_default wsa883x_defaults[] = { > { WSA883X_REF_CTRL, 0xD5 }, > { WSA883X_TEST_CTL_0, 0x06 }, > { WSA883X_BIAS_0, 0xD2 }, > diff --git a/sound/soc/codecs/wsa884x.c b/sound/soc/codecs/wsa884x.c > index fd6ebc25fe894a5981df4e39d10d0f27d21c3a25..07d8a2645404ec49d4b12297d79bbddbe2950a4c 100644 > --- a/sound/soc/codecs/wsa884x.c > +++ b/sound/soc/codecs/wsa884x.c > @@ -899,7 +899,7 @@ static const struct sdw_port_config wsa884x_pconfig[WSA884X_MAX_SWR_PORTS] = { > }, > }; > > -static struct reg_default wsa884x_defaults[] = { > +static const struct reg_default wsa884x_defaults[] = { > { WSA884X_BG_CTRL, 0xa5 }, > { WSA884X_ADC_CTRL, 0x00 }, > { WSA884X_BOP1_PROG, 0x22 }, >