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[218.164.96.47]) by smtp.gmail.com with ESMTPSA id j1sm6956774pgp.84.2019.03.04.05.16.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 04 Mar 2019 05:16:17 -0800 (PST) From: Axel Lin To: Mark Brown Cc: Steve Twiss , Krystian Garbaciak , Support Opensource , Liam Girdwood , linux-kernel@vger.kernel.org, Axel Lin Subject: [PATCH 1/2] regulator: da9062: Convert to use regulator_set/get_current_limit_regmap Date: Mon, 4 Mar 2019 21:16:02 +0800 Message-Id: <20190304131603.15730-1-axel.lin@ingics.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use regulator_set/get_current_limit_regmap helpers to save some code. Signed-off-by: Axel Lin --- drivers/regulator/da9062-regulator.c | 125 +++++++-------------------- 1 file changed, 32 insertions(+), 93 deletions(-) diff --git a/drivers/regulator/da9062-regulator.c b/drivers/regulator/da9062-regulator.c index b064d8a19d4c..ad0facb2be6a 100644 --- a/drivers/regulator/da9062-regulator.c +++ b/drivers/regulator/da9062-regulator.c @@ -53,16 +53,12 @@ enum { /* Regulator capabilities and registers description */ struct da9062_regulator_info { struct regulator_desc desc; - /* Current limiting */ - unsigned int n_current_limits; - const int *current_limits; /* Main register fields */ struct reg_field mode; struct reg_field suspend; struct reg_field sleep; struct reg_field suspend_sleep; unsigned int suspend_vsel_reg; - struct reg_field ilimit; /* Event detection bit */ struct reg_field oc_event; }; @@ -78,7 +74,6 @@ struct da9062_regulator { struct regmap_field *suspend; struct regmap_field *sleep; struct regmap_field *suspend_sleep; - struct regmap_field *ilimit; }; /* Encapsulates all information for the regulators driver */ @@ -104,7 +99,7 @@ enum { * - DA9062_ID_[BUCK1|BUCK2|BUCK4] * Entry indexes corresponds to register values. */ -static const int da9062_buck_a_limits[] = { +static const unsigned int da9062_buck_a_limits[] = { 500000, 600000, 700000, 800000, 900000, 1000000, 1100000, 1200000, 1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000 }; @@ -114,44 +109,11 @@ static const int da9062_buck_a_limits[] = { * - DA9062_ID_BUCK3 * Entry indexes corresponds to register values. */ -static const int da9062_buck_b_limits[] = { +static const unsigned int da9062_buck_b_limits[] = { 1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000, 2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000 }; -static int da9062_set_current_limit(struct regulator_dev *rdev, - int min_ua, int max_ua) -{ - struct da9062_regulator *regl = rdev_get_drvdata(rdev); - const struct da9062_regulator_info *rinfo = regl->info; - int n, tval; - - for (n = rinfo->n_current_limits - 1; n >= 0; n--) { - tval = rinfo->current_limits[n]; - if (tval >= min_ua && tval <= max_ua) - return regmap_field_write(regl->ilimit, n); - } - - return -EINVAL; -} - -static int da9062_get_current_limit(struct regulator_dev *rdev) -{ - struct da9062_regulator *regl = rdev_get_drvdata(rdev); - const struct da9062_regulator_info *rinfo = regl->info; - unsigned int sel; - int ret; - - ret = regmap_field_read(regl->ilimit, &sel); - if (ret < 0) - return ret; - - if (sel >= rinfo->n_current_limits) - sel = rinfo->n_current_limits - 1; - - return rinfo->current_limits[sel]; -} - static int da9062_buck_set_mode(struct regulator_dev *rdev, unsigned mode) { struct da9062_regulator *regl = rdev_get_drvdata(rdev); @@ -395,8 +357,8 @@ static const struct regulator_ops da9062_buck_ops = { .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, .list_voltage = regulator_list_voltage_linear, - .set_current_limit = da9062_set_current_limit, - .get_current_limit = da9062_get_current_limit, + .set_current_limit = regulator_set_current_limit_regmap, + .get_current_limit = regulator_get_current_limit_regmap, .set_mode = da9062_buck_set_mode, .get_mode = da9062_buck_get_mode, .get_status = da9062_buck_get_status, @@ -433,8 +395,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { .desc.min_uV = (300) * 1000, .desc.uV_step = (10) * 1000, .desc.n_voltages = ((1570) - (300))/(10) + 1, - .current_limits = da9062_buck_a_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.curr_table = da9062_buck_a_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_C, + .desc.csel_mask = DA9062AA_BUCK1_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK1_CONT, .desc.enable_mask = DA9062AA_BUCK1_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK1_A, @@ -457,10 +421,6 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { __builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C, - __builtin_ffs((int)DA9062AA_BUCK1_ILIM_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK1_ILIM_MASK)) - 1), }, { .desc.id = DA9061_ID_BUCK2, @@ -471,8 +431,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { .desc.min_uV = (800) * 1000, .desc.uV_step = (20) * 1000, .desc.n_voltages = ((3340) - (800))/(20) + 1, - .current_limits = da9062_buck_b_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), + .desc.curr_table = da9062_buck_b_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_A, + .desc.csel_mask = DA9062AA_BUCK3_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK3_CONT, .desc.enable_mask = DA9062AA_BUCK3_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK3_A, @@ -495,10 +457,6 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { __builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_A, - __builtin_ffs((int)DA9062AA_BUCK3_ILIM_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK3_ILIM_MASK)) - 1), }, { .desc.id = DA9061_ID_BUCK3, @@ -509,8 +467,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { .desc.min_uV = (530) * 1000, .desc.uV_step = (10) * 1000, .desc.n_voltages = ((1800) - (530))/(10) + 1, - .current_limits = da9062_buck_a_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.curr_table = da9062_buck_a_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_B, + .desc.csel_mask = DA9062AA_BUCK4_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK4_CONT, .desc.enable_mask = DA9062AA_BUCK4_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK4_A, @@ -533,10 +493,6 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { __builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_B, - __builtin_ffs((int)DA9062AA_BUCK4_ILIM_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK4_ILIM_MASK)) - 1), }, { .desc.id = DA9061_ID_LDO1, @@ -679,8 +635,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.min_uV = (300) * 1000, .desc.uV_step = (10) * 1000, .desc.n_voltages = ((1570) - (300))/(10) + 1, - .current_limits = da9062_buck_a_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.curr_table = da9062_buck_a_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_C, + .desc.csel_mask = DA9062AA_BUCK1_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK1_CONT, .desc.enable_mask = DA9062AA_BUCK1_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK1_A, @@ -703,10 +661,6 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C, - __builtin_ffs((int)DA9062AA_BUCK1_ILIM_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK1_ILIM_MASK)) - 1), }, { .desc.id = DA9062_ID_BUCK2, @@ -717,8 +671,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.min_uV = (300) * 1000, .desc.uV_step = (10) * 1000, .desc.n_voltages = ((1570) - (300))/(10) + 1, - .current_limits = da9062_buck_a_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.curr_table = da9062_buck_a_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_C, + .desc.csel_mask = DA9062AA_BUCK2_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK2_CONT, .desc.enable_mask = DA9062AA_BUCK2_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK2_A, @@ -741,10 +697,6 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_VBUCK2_SEL_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_VBUCK2_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C, - __builtin_ffs((int)DA9062AA_BUCK2_ILIM_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK2_ILIM_MASK)) - 1), }, { .desc.id = DA9062_ID_BUCK3, @@ -755,8 +707,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.min_uV = (800) * 1000, .desc.uV_step = (20) * 1000, .desc.n_voltages = ((3340) - (800))/(20) + 1, - .current_limits = da9062_buck_b_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), + .desc.curr_table = da9062_buck_b_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_A, + .desc.csel_mask = DA9062AA_BUCK3_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK3_CONT, .desc.enable_mask = DA9062AA_BUCK3_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK3_A, @@ -779,10 +733,6 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_A, - __builtin_ffs((int)DA9062AA_BUCK3_ILIM_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK3_ILIM_MASK)) - 1), }, { .desc.id = DA9062_ID_BUCK4, @@ -793,8 +743,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.min_uV = (530) * 1000, .desc.uV_step = (10) * 1000, .desc.n_voltages = ((1800) - (530))/(10) + 1, - .current_limits = da9062_buck_a_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.curr_table = da9062_buck_a_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_B, + .desc.csel_mask = DA9062AA_BUCK4_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK4_CONT, .desc.enable_mask = DA9062AA_BUCK4_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK4_A, @@ -817,10 +769,6 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_B, - __builtin_ffs((int)DA9062AA_BUCK4_ILIM_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK4_ILIM_MASK)) - 1), }, { .desc.id = DA9062_ID_LDO1, @@ -1063,15 +1011,6 @@ static int da9062_regulator_probe(struct platform_device *pdev) return PTR_ERR(regl->suspend_sleep); } - if (regl->info->ilimit.reg) { - regl->ilimit = devm_regmap_field_alloc( - &pdev->dev, - chip->regmap, - regl->info->ilimit); - if (IS_ERR(regl->ilimit)) - return PTR_ERR(regl->ilimit); - } - /* Register regulator */ memset(&config, 0, sizeof(config)); config.dev = chip->dev; -- 2.17.1