return radix_tree_lookup(&pwm_tree, pwm);
}
-static int alloc_pwms(int pwm, unsigned int count)
+static int alloc_pwms(unsigned int count)
{
- unsigned int from = 0;
unsigned int start;
- if (pwm >= MAX_PWMS)
- return -EINVAL;
-
- if (pwm >= 0)
- from = pwm;
-
- start = bitmap_find_next_zero_area(allocated_pwms, MAX_PWMS, from,
+ start = bitmap_find_next_zero_area(allocated_pwms, MAX_PWMS, 0,
count, 0);
- if (pwm >= 0 && start != pwm)
- return -EEXIST;
-
if (start + count > MAX_PWMS)
return -ENOSPC;
* @chip: the PWM chip to add
* @polarity: initial polarity of PWM channels
*
- * Register a new PWM chip. If chip->base < 0 then a dynamically assigned base
- * will be used. The initial polarity for all channels is specified by the
- * @polarity parameter.
+ * Register a new PWM chip. The initial polarity for all channels is specified
+ * by the @polarity parameter.
*
* Returns: 0 on success or a negative error code on failure.
*/
mutex_lock(&pwm_lock);
- ret = alloc_pwms(chip->base, chip->npwm);
+ ret = alloc_pwms(chip->npwm);
if (ret < 0)
goto out;
+ chip->base = ret;
+
chip->pwms = kcalloc(chip->npwm, sizeof(*pwm), GFP_KERNEL);
if (!chip->pwms) {
ret = -ENOMEM;
goto out;
}
- chip->base = ret;
-
for (i = 0; i < chip->npwm; i++) {
pwm = &chip->pwms[i];
ab8500->chip.dev = &pdev->dev;
ab8500->chip.ops = &ab8500_pwm_ops;
- ab8500->chip.base = -1;
ab8500->chip.npwm = 1;
err = pwmchip_add(&ab8500->chip);
chip->hlcdc = hlcdc;
chip->chip.ops = &atmel_hlcdc_pwm_ops;
chip->chip.dev = dev;
- chip->chip.base = -1;
chip->chip.npwm = 1;
chip->chip.of_xlate = of_pwm_xlate_with_flags;
chip->chip.of_pwm_n_cells = 3;
tcbpwm->chip.ops = &atmel_tcb_pwm_ops;
tcbpwm->chip.of_xlate = of_pwm_xlate_with_flags;
tcbpwm->chip.of_pwm_n_cells = 3;
- tcbpwm->chip.base = -1;
tcbpwm->chip.npwm = NPWM;
tcbpwm->channel = channel;
tcbpwm->regmap = regmap;
atmel_pwm->chip.ops = &atmel_pwm_ops;
atmel_pwm->chip.of_xlate = of_pwm_xlate_with_flags;
atmel_pwm->chip.of_pwm_n_cells = 3;
- atmel_pwm->chip.base = -1;
atmel_pwm->chip.npwm = 4;
ret = pwmchip_add(&atmel_pwm->chip);
ip->chip.dev = &pdev->dev;
ip->chip.ops = &iproc_pwm_ops;
- ip->chip.base = -1;
ip->chip.npwm = 4;
ip->chip.of_xlate = of_pwm_xlate_with_flags;
ip->chip.of_pwm_n_cells = 3;
kp->chip.dev = &pdev->dev;
kp->chip.ops = &kona_pwm_ops;
- kp->chip.base = -1;
kp->chip.npwm = 6;
kp->chip.of_xlate = of_pwm_xlate_with_flags;
kp->chip.of_pwm_n_cells = 3;
pc->chip.dev = &pdev->dev;
pc->chip.ops = &bcm2835_pwm_ops;
- pc->chip.base = -1;
pc->chip.npwm = 2;
pc->chip.of_xlate = of_pwm_xlate_with_flags;
pc->chip.of_pwm_n_cells = 3;
pwm->chip.dev = &pdev->dev;
pwm->chip.ops = &berlin_pwm_ops;
- pwm->chip.base = -1;
pwm->chip.npwm = 4;
pwm->chip.of_xlate = of_pwm_xlate_with_flags;
pwm->chip.of_pwm_n_cells = 3;
p->chip.dev = &pdev->dev;
p->chip.ops = &brcmstb_pwm_ops;
- p->chip.base = -1;
p->chip.npwm = 2;
p->base = devm_platform_ioremap_resource(pdev, 0);
priv->chip.ops = &clps711x_pwm_ops;
priv->chip.dev = &pdev->dev;
- priv->chip.base = -1;
priv->chip.npwm = 2;
priv->chip.of_xlate = clps711x_pwm_xlate;
priv->chip.of_pwm_n_cells = 1;
pwm->chip.dev = &pdev->dev;
pwm->chip.ops = &crc_pwm_ops;
- pwm->chip.base = -1;
pwm->chip.npwm = 1;
/* get the PMIC regmap */
chip->ops = &cros_ec_pwm_ops;
chip->of_xlate = cros_ec_pwm_xlate;
chip->of_pwm_n_cells = 1;
- chip->base = -1;
ret = cros_ec_num_pwms(ec);
if (ret < 0) {
dev_err(dev, "Couldn't find PWMs: %d\n", ret);
dwc->chip.dev = dev;
dwc->chip.ops = &dwc_pwm_ops;
dwc->chip.npwm = DWC_TIMERS_TOTAL;
- dwc->chip.base = -1;
ret = pwmchip_add(&dwc->chip);
if (ret)
ep93xx_pwm->chip.dev = &pdev->dev;
ep93xx_pwm->chip.ops = &ep93xx_pwm_ops;
- ep93xx_pwm->chip.base = -1;
ep93xx_pwm->chip.npwm = 1;
ret = pwmchip_add(&ep93xx_pwm->chip);
fpc->chip.ops = &fsl_pwm_ops;
fpc->chip.of_xlate = of_pwm_xlate_with_flags;
fpc->chip.of_pwm_n_cells = 3;
- fpc->chip.base = -1;
fpc->chip.npwm = 8;
ret = pwmchip_add(&fpc->chip);
pwm_chip->chip.ops = &hibvt_pwm_ops;
pwm_chip->chip.dev = &pdev->dev;
- pwm_chip->chip.base = -1;
pwm_chip->chip.npwm = soc->num_pwms;
pwm_chip->chip.of_xlate = of_pwm_xlate_with_flags;
pwm_chip->chip.of_pwm_n_cells = 3;
pwm->chip.dev = &pdev->dev;
pwm->chip.ops = &img_pwm_ops;
- pwm->chip.base = -1;
pwm->chip.npwm = IMG_PWM_NPWM;
ret = pwmchip_add(&pwm->chip);
tpm->chip.dev = &pdev->dev;
tpm->chip.ops = &imx_tpm_pwm_ops;
- tpm->chip.base = -1;
tpm->chip.of_xlate = of_pwm_xlate_with_flags;
tpm->chip.of_pwm_n_cells = 3;
imx->chip.ops = &pwm_imx1_ops;
imx->chip.dev = &pdev->dev;
- imx->chip.base = -1;
imx->chip.npwm = 1;
imx->mmio_base = devm_platform_ioremap_resource(pdev, 0);
imx->chip.ops = &pwm_imx27_ops;
imx->chip.dev = &pdev->dev;
- imx->chip.base = -1;
imx->chip.npwm = 1;
imx->chip.of_xlate = of_pwm_xlate_with_flags;
pc->chip.dev = dev;
pc->chip.ops = &lgm_pwm_ops;
pc->chip.npwm = 1;
- pc->chip.base = -1;
lgm_pwm_init(pc);
iqs620_pwm->chip.dev = &pdev->dev;
iqs620_pwm->chip.ops = &iqs620_pwm_ops;
- iqs620_pwm->chip.base = -1;
iqs620_pwm->chip.npwm = 1;
mutex_init(&iqs620_pwm->lock);
jz4740->chip.dev = dev;
jz4740->chip.ops = &jz4740_pwm_ops;
jz4740->chip.npwm = info->num_pwms;
- jz4740->chip.base = -1;
jz4740->chip.of_xlate = of_pwm_xlate_with_flags;
jz4740->chip.of_pwm_n_cells = 3;
if (ret)
return ret;
- priv->chip.base = -1;
priv->chip.dev = dev;
priv->chip.ops = &keembay_pwm_ops;
priv->chip.npwm = KMB_TOTAL_PWM_CHANNELS;
lp3943_pwm->chip.dev = &pdev->dev;
lp3943_pwm->chip.ops = &lp3943_pwm_ops;
lp3943_pwm->chip.npwm = LP3943_NUM_PWMS;
- lp3943_pwm->chip.base = -1;
platform_set_drvdata(pdev, lp3943_pwm);
lpc18xx_pwm->chip.dev = &pdev->dev;
lpc18xx_pwm->chip.ops = &lpc18xx_pwm_ops;
- lpc18xx_pwm->chip.base = -1;
lpc18xx_pwm->chip.npwm = 16;
lpc18xx_pwm->chip.of_xlate = of_pwm_xlate_with_flags;
lpc18xx_pwm->chip.of_pwm_n_cells = 3;
lpc32xx->chip.dev = &pdev->dev;
lpc32xx->chip.ops = &lpc32xx_pwm_ops;
lpc32xx->chip.npwm = 1;
- lpc32xx->chip.base = -1;
ret = pwmchip_add(&lpc32xx->chip);
if (ret < 0) {
lpwm->chip.dev = dev;
lpwm->chip.ops = &pwm_lpss_ops;
- lpwm->chip.base = -1;
lpwm->chip.npwm = info->npwm;
ret = pwmchip_add(&lpwm->chip);
pc->chip.dev = &pdev->dev;
pc->chip.ops = &pwm_mediatek_ops;
- pc->chip.base = -1;
pc->chip.npwm = pc->soc->num_pwms;
ret = pwmchip_add(&pc->chip);
spin_lock_init(&meson->lock);
meson->chip.dev = &pdev->dev;
meson->chip.ops = &meson_pwm_ops;
- meson->chip.base = -1;
meson->chip.npwm = MESON_NUM_PWMS;
meson->chip.of_xlate = of_pwm_xlate_with_flags;
meson->chip.of_pwm_n_cells = 3;
mdp->chip.dev = &pdev->dev;
mdp->chip.ops = &mtk_disp_pwm_ops;
- mdp->chip.base = -1;
mdp->chip.npwm = 1;
ret = pwmchip_add(&mdp->chip);
mxs->chip.ops = &mxs_pwm_ops;
mxs->chip.of_xlate = of_pwm_xlate_with_flags;
mxs->chip.of_pwm_n_cells = 3;
- mxs->chip.base = -1;
ret = of_property_read_u32(np, "fsl,pwm-number", &mxs->chip.npwm);
if (ret < 0) {
omap->chip.dev = &pdev->dev;
omap->chip.ops = &pwm_omap_dmtimer_ops;
- omap->chip.base = -1;
omap->chip.npwm = 1;
omap->chip.of_xlate = of_pwm_xlate_with_flags;
omap->chip.of_pwm_n_cells = 3;
pca->chip.npwm = PCA9685_MAXCHAN + 1;
pca->chip.dev = &client->dev;
- pca->chip.base = -1;
ret = pwmchip_add(&pca->chip);
if (ret < 0)
pwm->chip.dev = &pdev->dev;
pwm->chip.ops = &pxa_pwm_ops;
- pwm->chip.base = -1;
pwm->chip.npwm = (id->driver_data & HAS_SECONDARY_PWM) ? 2 : 1;
if (IS_ENABLED(CONFIG_OF)) {
rcar_pwm->chip.dev = &pdev->dev;
rcar_pwm->chip.ops = &rcar_pwm_ops;
- rcar_pwm->chip.base = -1;
rcar_pwm->chip.npwm = 1;
pm_runtime_enable(&pdev->dev);
tpu->chip.ops = &tpu_pwm_ops;
tpu->chip.of_xlate = of_pwm_xlate_with_flags;
tpu->chip.of_pwm_n_cells = 3;
- tpu->chip.base = -1;
tpu->chip.npwm = TPU_CHANNEL_MAX;
pm_runtime_enable(&pdev->dev);
pc->data = id->data;
pc->chip.dev = &pdev->dev;
pc->chip.ops = &rockchip_pwm_ops;
- pc->chip.base = -1;
pc->chip.npwm = 1;
if (pc->data->supports_polarity) {
chip->chip.dev = &pdev->dev;
chip->chip.ops = &pwm_samsung_ops;
- chip->chip.base = -1;
chip->chip.npwm = SAMSUNG_PWM_NUM;
chip->inverter_mask = BIT(SAMSUNG_PWM_NUM) - 1;
chip->ops = &pwm_sifive_ops;
chip->of_xlate = of_pwm_xlate_with_flags;
chip->of_pwm_n_cells = 3;
- chip->base = -1;
chip->npwm = 4;
ddata->regs = devm_platform_ioremap_resource(pdev, 0);
chip = &priv->pwm_chip;
chip->dev = &pdev->dev;
chip->ops = &sl28cpld_pwm_ops;
- chip->base = -1;
chip->npwm = 1;
platform_set_drvdata(pdev, priv);
pc->chip.dev = &pdev->dev;
pc->chip.ops = &spear_pwm_ops;
- pc->chip.base = -1;
pc->chip.npwm = NUM_PWM;
ret = clk_prepare(pc->clk);
spc->chip.dev = &pdev->dev;
spc->chip.ops = &sprd_pwm_ops;
- spc->chip.base = -1;
spc->chip.npwm = spc->num_pwms;
ret = pwmchip_add(&spc->chip);
pc->chip.dev = dev;
pc->chip.ops = &sti_pwm_ops;
- pc->chip.base = -1;
pc->chip.npwm = pc->cdata->pwm_num_devs;
ret = pwmchip_add(&pc->chip);
priv->regmap = ddata->regmap;
priv->clk = ddata->clk;
- priv->chip.base = -1;
priv->chip.dev = &pdev->dev;
priv->chip.ops = &stm32_pwm_lp_ops;
priv->chip.npwm = 1;
stm32_pwm_detect_complementary(priv);
- priv->chip.base = -1;
priv->chip.dev = dev;
priv->chip.ops = &stm32pwm_ops;
priv->chip.npwm = stm32_pwm_detect_channels(priv);
pwm->stmpe = stmpe;
pwm->chip.dev = &pdev->dev;
- pwm->chip.base = -1;
if (stmpe->partnum == STMPE2401 || stmpe->partnum == STMPE2403) {
pwm->chip.ops = &stmpe_24xx_pwm_ops;
pwm->chip.dev = &pdev->dev;
pwm->chip.ops = &sun4i_pwm_ops;
- pwm->chip.base = -1;
pwm->chip.npwm = pwm->data->npwm;
pwm->chip.of_xlate = of_pwm_xlate_with_flags;
pwm->chip.of_pwm_n_cells = 3;
pwm->chip.dev = &pdev->dev;
pwm->chip.ops = &tegra_pwm_ops;
- pwm->chip.base = -1;
pwm->chip.npwm = pwm->soc->num_channels;
ret = pwmchip_add(&pwm->chip);
pc->chip.ops = &ecap_pwm_ops;
pc->chip.of_xlate = of_pwm_xlate_with_flags;
pc->chip.of_pwm_n_cells = 3;
- pc->chip.base = -1;
pc->chip.npwm = 1;
pc->mmio_base = devm_platform_ioremap_resource(pdev, 0);
pc->chip.ops = &ehrpwm_pwm_ops;
pc->chip.of_xlate = of_pwm_xlate_with_flags;
pc->chip.of_pwm_n_cells = 3;
- pc->chip.base = -1;
pc->chip.npwm = NUM_PWM_CHANNEL;
pc->mmio_base = devm_platform_ioremap_resource(pdev, 0);
}
twl->chip.dev = &pdev->dev;
- twl->chip.base = -1;
mutex_init(&twl->mutex);
twl->chip.ops = &twl6030_pwm_ops;
twl->chip.dev = &pdev->dev;
- twl->chip.base = -1;
twl->chip.npwm = 2;
mutex_init(&twl->mutex);
chip->chip.ops = &vt8500_pwm_ops;
chip->chip.of_xlate = of_pwm_xlate_with_flags;
chip->chip.of_pwm_n_cells = 3;
- chip->chip.base = -1;
chip->chip.npwm = VT8500_NR_PWMS;
chip->clk = devm_clk_get(&pdev->dev, NULL);
projects / linux.git / commitdiff