EXTCON patches for 3.8-rc1
Here are some drivers/extcon/ patches that I forgot to have you pull in the larger char/misc patchset from yesterday, for the 3.8-rc1 kernel. Nothing major here, just some driver updates, and cleanups, all of which have been in linux-next for a while now. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEABECAAYFAlDJGnYACgkQMUfUDdst+ykxBgCaAgowyu5iGOIlDf5+F8KL8fsm T3gAoKt+g3zaN3A3zfPLMr6zeKlUNF+T =xiFu -----END PGP SIGNATURE----- Merge tag 'char-misc-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull EXTCON patches from Greg Kroah-Hartman: "Here are some drivers/extcon/ patches that I forgot to have you pull in the larger char/misc patchset from yesterday, for the 3.8-rc1 kernel. Nothing major here, just some driver updates, and cleanups, all of which have been in linux-next for a while now. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'char-misc-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: extcon: kernel_doc style fix extcon: max77693: Fix uninitialised variable warning extcon: max77693: Use devm_kzalloc extcon: max8997: Use devm_kzalloc extcon: max8997: Fix a typo extcon: max8997: Fix checkpatch error extcon: max77693: Fix coding style extcon: max77693: Fix incorrect error check and return value extcon: max8997: Fix incorrect error check and return value extcon: Fix return value in extcon-class.c extcon: Add missing header file to extcon.h extcon: arizona: unlock mutex on error path in arizona_micdet()
This commit is contained in:
commit
115b1cc2ef
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@ -166,6 +166,7 @@ static irqreturn_t arizona_micdet(int irq, void *data)
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ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val);
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if (ret != 0) {
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dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret);
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mutex_unlock(&info->lock);
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return IRQ_NONE;
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}
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@ -472,7 +472,7 @@ int extcon_register_interest(struct extcon_specific_cable_nb *obj,
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obj->cable_index = extcon_find_cable_index(obj->edev, cable_name);
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if (obj->cable_index < 0)
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return -ENODEV;
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return obj->cable_index;
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obj->user_nb = nb;
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@ -657,17 +657,17 @@ static int max77693_muic_probe(struct platform_device *pdev)
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int ret, i;
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u8 id;
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info = kzalloc(sizeof(struct max77693_muic_info), GFP_KERNEL);
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info = devm_kzalloc(&pdev->dev, sizeof(struct max77693_muic_info),
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GFP_KERNEL);
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if (!info) {
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dev_err(&pdev->dev, "failed to allocate memory\n");
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ret = -ENOMEM;
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goto err_kfree;
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return -ENOMEM;
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}
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info->dev = &pdev->dev;
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info->max77693 = max77693;
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if (info->max77693->regmap_muic)
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if (info->max77693->regmap_muic) {
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dev_dbg(&pdev->dev, "allocate register map\n");
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else {
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} else {
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info->max77693->regmap_muic = devm_regmap_init_i2c(
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info->max77693->muic,
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&max77693_muic_regmap_config);
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@ -675,7 +675,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
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ret = PTR_ERR(info->max77693->regmap_muic);
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dev_err(max77693->dev,
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"failed to allocate register map: %d\n", ret);
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goto err_regmap;
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return ret;
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}
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}
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platform_set_drvdata(pdev, info);
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@ -686,11 +686,13 @@ static int max77693_muic_probe(struct platform_device *pdev)
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/* Support irq domain for MAX77693 MUIC device */
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for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) {
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struct max77693_muic_irq *muic_irq = &muic_irqs[i];
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int virq = 0;
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unsigned int virq = 0;
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virq = irq_create_mapping(max77693->irq_domain, muic_irq->irq);
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if (!virq)
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if (!virq) {
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ret = -EINVAL;
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goto err_irq;
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}
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muic_irq->virq = virq;
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ret = request_threaded_irq(virq, NULL,
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@ -702,14 +704,13 @@ static int max77693_muic_probe(struct platform_device *pdev)
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" error :%d)\n",
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muic_irq->irq, ret);
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for (i = i - 1; i >= 0; i--)
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free_irq(muic_irq->virq, info);
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goto err_irq;
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}
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}
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/* Initialize extcon device */
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info->edev = kzalloc(sizeof(struct extcon_dev), GFP_KERNEL);
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info->edev = devm_kzalloc(&pdev->dev, sizeof(struct extcon_dev),
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GFP_KERNEL);
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if (!info->edev) {
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dev_err(&pdev->dev, "failed to allocate memory for extcon\n");
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ret = -ENOMEM;
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@ -720,7 +721,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
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ret = extcon_dev_register(info->edev, NULL);
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if (ret) {
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dev_err(&pdev->dev, "failed to register extcon device\n");
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goto err_extcon;
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goto err_irq;
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}
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/* Initialize MUIC register by using platform data */
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@ -753,7 +754,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
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MAX77693_MUIC_REG_ID, &id);
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if (ret < 0) {
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dev_err(&pdev->dev, "failed to read revision number\n");
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goto err_extcon;
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goto err_irq;
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}
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dev_info(info->dev, "device ID : 0x%x\n", id);
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@ -765,12 +766,9 @@ static int max77693_muic_probe(struct platform_device *pdev)
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return ret;
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err_extcon:
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kfree(info->edev);
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err_irq:
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err_regmap:
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kfree(info);
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err_kfree:
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while (--i >= 0)
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free_irq(muic_irqs[i].virq, info);
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return ret;
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}
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@ -783,8 +781,6 @@ static int max77693_muic_remove(struct platform_device *pdev)
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free_irq(muic_irqs[i].virq, info);
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cancel_work_sync(&info->irq_work);
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extcon_dev_unregister(info->edev);
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kfree(info->edev);
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kfree(info);
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return 0;
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}
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@ -1,7 +1,7 @@
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/*
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* extcon-max8997.c - MAX8997 extcon driver to support MAX8997 MUIC
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*
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* Copyright (C) 2012 Samsung Electrnoics
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* Copyright (C) 2012 Samsung Electronics
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* Donggeun Kim <dg77.kim@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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@ -433,11 +433,11 @@ static int max8997_muic_probe(struct platform_device *pdev)
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struct max8997_muic_info *info;
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int ret, i;
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info = kzalloc(sizeof(struct max8997_muic_info), GFP_KERNEL);
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info = devm_kzalloc(&pdev->dev, sizeof(struct max8997_muic_info),
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GFP_KERNEL);
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if (!info) {
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dev_err(&pdev->dev, "failed to allocate memory\n");
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ret = -ENOMEM;
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goto err_kfree;
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return -ENOMEM;
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}
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info->dev = &pdev->dev;
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@ -450,14 +450,16 @@ static int max8997_muic_probe(struct platform_device *pdev)
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for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) {
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struct max8997_muic_irq *muic_irq = &muic_irqs[i];
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int virq = 0;
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unsigned int virq = 0;
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virq = irq_create_mapping(max8997->irq_domain, muic_irq->irq);
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if (!virq)
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if (!virq) {
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ret = -EINVAL;
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goto err_irq;
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}
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muic_irq->virq = virq;
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ret = request_threaded_irq(virq, NULL,max8997_muic_irq_handler,
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ret = request_threaded_irq(virq, NULL, max8997_muic_irq_handler,
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0, muic_irq->name, info);
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if (ret) {
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dev_err(&pdev->dev,
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@ -469,7 +471,8 @@ static int max8997_muic_probe(struct platform_device *pdev)
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}
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/* External connector */
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info->edev = kzalloc(sizeof(struct extcon_dev), GFP_KERNEL);
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info->edev = devm_kzalloc(&pdev->dev, sizeof(struct extcon_dev),
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GFP_KERNEL);
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if (!info->edev) {
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dev_err(&pdev->dev, "failed to allocate memory for extcon\n");
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ret = -ENOMEM;
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@ -480,7 +483,7 @@ static int max8997_muic_probe(struct platform_device *pdev)
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ret = extcon_dev_register(info->edev, NULL);
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if (ret) {
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dev_err(&pdev->dev, "failed to register extcon device\n");
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goto err_extcon;
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goto err_irq;
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}
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/* Initialize registers according to platform data */
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return ret;
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err_extcon:
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kfree(info->edev);
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err_irq:
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while (--i >= 0)
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free_irq(muic_irqs[i].virq, info);
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kfree(info);
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err_kfree:
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return ret;
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}
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@ -519,9 +518,6 @@ static int max8997_muic_remove(struct platform_device *pdev)
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extcon_dev_unregister(info->edev);
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kfree(info->edev);
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kfree(info);
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return 0;
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}
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@ -23,7 +23,9 @@
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#ifndef __LINUX_EXTCON_H__
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#define __LINUX_EXTCON_H__
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#include <linux/device.h>
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#include <linux/notifier.h>
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#include <linux/sysfs.h>
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#define SUPPORTED_CABLE_MAX 32
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#define CABLE_NAME_MAX 30
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@ -74,12 +76,12 @@ struct extcon_cable;
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/**
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* struct extcon_dev - An extcon device represents one external connector.
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* @name The name of this extcon device. Parent device name is used
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* @name: The name of this extcon device. Parent device name is used
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* if NULL.
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* @supported_cable Array of supported cable names ending with NULL.
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* @supported_cable: Array of supported cable names ending with NULL.
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* If supported_cable is NULL, cable name related APIs
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* are disabled.
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* @mutually_exclusive Array of mutually exclusive set of cables that cannot
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* @mutually_exclusive: Array of mutually exclusive set of cables that cannot
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* be attached simultaneously. The array should be
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* ending with NULL or be NULL (no mutually exclusive
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* cables). For example, if it is { 0x7, 0x30, 0}, then,
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* be attached simulataneously. {0x7, 0} is equivalent to
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* {0x3, 0x6, 0x5, 0}. If it is {0xFFFFFFFF, 0}, there
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* can be no simultaneous connections.
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* @print_name An optional callback to override the method to print the
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* @print_name: An optional callback to override the method to print the
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* name of the extcon device.
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* @print_state An optional callback to override the method to print the
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* @print_state: An optional callback to override the method to print the
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* status of the extcon device.
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* @dev Device of this extcon. Do not provide at register-time.
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* @state Attach/detach state of this extcon. Do not provide at
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* @dev: Device of this extcon. Do not provide at register-time.
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* @state: Attach/detach state of this extcon. Do not provide at
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* register-time
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* @nh Notifier for the state change events from this extcon
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* @entry To support list of extcon devices so that users can search
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* @nh: Notifier for the state change events from this extcon
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* @entry: To support list of extcon devices so that users can search
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* for extcon devices based on the extcon name.
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* @lock
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* @max_supported Internal value to store the number of cables.
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* @extcon_dev_type Device_type struct to provide attribute_groups
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* @lock:
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* @max_supported: Internal value to store the number of cables.
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* @extcon_dev_type: Device_type struct to provide attribute_groups
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* customized for each extcon device.
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* @cables Sysfs subdirectories. Each represents one cable.
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* @cables: Sysfs subdirectories. Each represents one cable.
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*
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* In most cases, users only need to provide "User initializing data" of
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* this struct when registering an extcon. In some exceptional cases,
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@ -137,12 +139,12 @@ struct extcon_dev {
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/**
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* struct extcon_cable - An internal data for each cable of extcon device.
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* @edev The extcon device
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* @cable_index Index of this cable in the edev
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* @attr_g Attribute group for the cable
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* @attr_name "name" sysfs entry
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* @attr_state "state" sysfs entry
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* @attrs Array pointing to attr_name and attr_state for attr_g
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* @edev: The extcon device
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* @cable_index: Index of this cable in the edev
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* @attr_g: Attribute group for the cable
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* @attr_name: "name" sysfs entry
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* @attr_state: "state" sysfs entry
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* @attrs: Array pointing to attr_name and attr_state for attr_g
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*/
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struct extcon_cable {
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struct extcon_dev *edev;
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@ -158,11 +160,11 @@ struct extcon_cable {
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/**
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* struct extcon_specific_cable_nb - An internal data for
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* extcon_register_interest().
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* @internal_nb a notifier block bridging extcon notifier and cable notifier.
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* @user_nb user provided notifier block for events from a specific cable.
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* @cable_index the target cable.
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* @edev the target extcon device.
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* @previous_value the saved previous event value.
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* @internal_nb: a notifier block bridging extcon notifier and cable notifier.
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* @user_nb: user provided notifier block for events from a specific cable.
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* @cable_index: the target cable.
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* @edev: the target extcon device.
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* @previous_value: the saved previous event value.
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*/
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struct extcon_specific_cable_nb {
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struct notifier_block internal_nb;
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