Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759606AbaKAJCb (ORCPT ); Sat, 1 Nov 2014 05:02:31 -0400 Received: from mga02.intel.com ([134.134.136.20]:58432 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759485AbaKAJCZ (ORCPT ); Sat, 1 Nov 2014 05:02:25 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,295,1413270000"; d="scan'208";a="629421638" From: Jarkko Sakkinen To: Peter Huewe , Ashley Lai , Marcel Selhorst Cc: tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, josh.triplett@intel.com, christophe.ricard@gmail.com, jason.gunthorpe@obsidianresearch.com, Jarkko Sakkinen Subject: [PATCH v5 7/7] tpm: create TPM 2.0 devices using own device class Date: Sat, 1 Nov 2014 11:01:35 +0200 Message-Id: <1414832495-23609-8-git-send-email-jarkko.sakkinen@linux.intel.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1414832495-23609-1-git-send-email-jarkko.sakkinen@linux.intel.com> References: <1414832495-23609-1-git-send-email-jarkko.sakkinen@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Added own class for TPM devices that is used for TPM 2.0 and onwards. For TPM1 old device structure is kept for backwards compatibility. Each struct tpm_chip represents a character device that is associated to the tpm device class. Signed-off-by: Jarkko Sakkinen --- drivers/char/tpm/tpm-chip.c | 14 +++++-- drivers/char/tpm/tpm-dev.c | 77 ++++++++++++++++++++++++++++++++++--- drivers/char/tpm/tpm-interface.c | 51 +++++++++++++++++------- drivers/char/tpm/tpm-sysfs.c | 6 +-- drivers/char/tpm/tpm.h | 16 +++++++- drivers/char/tpm/tpm_atmel.c | 14 +++---- drivers/char/tpm/tpm_crb.c | 4 +- drivers/char/tpm/tpm_i2c_atmel.c | 16 ++++---- drivers/char/tpm/tpm_i2c_infineon.c | 6 +-- drivers/char/tpm/tpm_i2c_nuvoton.c | 22 +++++------ drivers/char/tpm/tpm_i2c_stm_st33.c | 6 +-- drivers/char/tpm/tpm_infineon.c | 22 +++++------ drivers/char/tpm/tpm_nsc.c | 20 +++++----- drivers/char/tpm/tpm_ppi.c | 4 +- drivers/char/tpm/tpm_tis.c | 12 +++--- 15 files changed, 199 insertions(+), 91 deletions(-) diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 9d2038b..9cc3ccf 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -45,7 +45,7 @@ struct tpm_chip *tpm_chip_find_get(int chip_num) if (chip_num != TPM_ANY_NUM && chip_num != pos->dev_num) continue; - if (try_module_get(pos->dev->driver->owner)) { + if (try_module_get(pos->pdev->driver->owner)) { chip = pos; break; } @@ -111,7 +111,7 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev, scnprintf(chip->devname, sizeof(chip->devname), "%s%d", "tpm", chip->dev_num); - chip->dev = dev; + chip->pdev = dev; devm_add_action(dev, tpmm_chip_remove, chip); dev_set_drvdata(dev, chip); @@ -140,7 +140,10 @@ int tpm_chip_register(struct tpm_chip *chip) { int rc; - rc = tpm_dev_add_device(chip); + if (chip->flags & TPM_CHIP_FLAG_TPM2) + rc = tpm2_dev_add_device(chip); + else + rc = tpm_dev_add_device(chip); if (rc) return rc; @@ -198,6 +201,9 @@ void tpm_chip_unregister(struct tpm_chip *chip) tpm_sysfs_del_device(chip); } - tpm_dev_del_device(chip); + if (chip->flags & TPM_CHIP_FLAG_TPM2) + tpm2_dev_del_device(chip); + else + tpm_dev_del_device(chip); } EXPORT_SYMBOL_GPL(tpm_chip_unregister); diff --git a/drivers/char/tpm/tpm-dev.c b/drivers/char/tpm/tpm-dev.c index d9b774e..8c4ab94 100644 --- a/drivers/char/tpm/tpm-dev.c +++ b/drivers/char/tpm/tpm-dev.c @@ -22,6 +22,8 @@ #include #include "tpm.h" +static dev_t tpm_devt; + struct file_priv { struct tpm_chip *chip; @@ -63,7 +65,7 @@ static int tpm_open(struct inode *inode, struct file *file) * by the check of is_open variable, which is protected * by driver_lock. */ if (test_and_set_bit(0, &chip->is_open)) { - dev_dbg(chip->dev, "Another process owns this TPM\n"); + dev_dbg(chip->pdev, "Another process owns this TPM\n"); return -EBUSY; } @@ -81,7 +83,7 @@ static int tpm_open(struct inode *inode, struct file *file) INIT_WORK(&priv->work, timeout_work); file->private_data = priv; - get_device(chip->dev); + get_device(chip->pdev); return 0; } @@ -168,7 +170,7 @@ static int tpm_release(struct inode *inode, struct file *file) file->private_data = NULL; atomic_set(&priv->data_pending, 0); clear_bit(0, &priv->chip->is_open); - put_device(priv->chip->dev); + put_device(priv->chip->pdev); kfree(priv); return 0; } @@ -193,12 +195,12 @@ int tpm_dev_add_device(struct tpm_chip *chip) chip->vendor.miscdev.minor = MISC_DYNAMIC_MINOR; chip->vendor.miscdev.name = chip->devname; - chip->vendor.miscdev.parent = chip->dev; + chip->vendor.miscdev.parent = chip->pdev; rc = misc_register(&chip->vendor.miscdev); if (rc) { chip->vendor.miscdev.name = NULL; - dev_err(chip->dev, + dev_err(chip->pdev, "unable to misc_register %s, minor %d err=%d\n", chip->vendor.miscdev.name, chip->vendor.miscdev.minor, rc); @@ -211,3 +213,68 @@ void tpm_dev_del_device(struct tpm_chip *chip) if (chip->vendor.miscdev.name) misc_deregister(&chip->vendor.miscdev); } + +static void tpm_dev_release(struct device *dev) +{ +} + +int tpm2_dev_add_device(struct tpm_chip *chip) +{ + int rc; + + chip->dev.parent = chip->pdev; + chip->dev.class = tpm_class; + chip->dev.release = tpm_dev_release; + chip->dev.devt = MKDEV(MAJOR(tpm_devt), chip->dev_num); + + dev_set_name(&chip->dev, "tpm%d", chip->dev_num); + + cdev_init(&chip->cdev, &tpm_fops); + + chip->cdev.owner = chip->pdev->driver->owner; + + rc = device_register(&chip->dev); + if (rc) { + + dev_err(chip->pdev, + "tpm: registering %s failed with %d\n", + chip->devname, rc); + put_device(&chip->dev); + return rc; + } + + rc = cdev_add(&chip->cdev, chip->dev.devt, 1); + if (rc) { + dev_err(&chip->dev, "adding cdev for %s failed with %d\n", + chip->devname, rc); + device_unregister(&chip->dev); + put_device(&chip->dev); + return rc; + } + + return 0; +} + +void tpm2_dev_del_device(struct tpm_chip *chip) +{ + if (get_device(&chip->dev) != NULL) { + cdev_del(&chip->cdev); + device_unregister(&chip->dev); + put_device(&chip->dev); + } +} + +void __init tpm_dev_init(void) +{ + int rc; + + rc = alloc_chrdev_region(&tpm_devt, 0, TPM_NUM_DEVICES, "tpm"); + if (rc < 0) + pr_err("tpm: failed to allocate char dev region\n"); +} + +void __exit tpm_dev_exit(void) +{ + if (tpm_devt) + unregister_chrdev_region(tpm_devt, TPM_NUM_DEVICES); +} diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index a98532f..41426fb 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -38,6 +38,8 @@ #define TPM_PROTECTED_COMMAND 0x00 #define TPM_CONNECTION_COMMAND 0x40 +struct class *tpm_class; + /* * Bug workaround - some TPM's don't flush the most * recently changed pcr on suspend, so force the flush @@ -343,7 +345,7 @@ ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf, if (count == 0) return -ENODATA; if (count > bufsiz) { - dev_err(chip->dev, + dev_err(chip->pdev, "invalid count value %x %zx\n", count, bufsiz); return -E2BIG; } @@ -352,7 +354,7 @@ ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf, rc = chip->ops->send(chip, (u8 *) buf, count); if (rc < 0) { - dev_err(chip->dev, + dev_err(chip->pdev, "tpm_transmit: tpm_send: error %zd\n", rc); goto out; } @@ -371,7 +373,7 @@ ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf, goto out_recv; if (chip->ops->req_canceled(chip, status)) { - dev_err(chip->dev, "Operation Canceled\n"); + dev_err(chip->pdev, "Operation Canceled\n"); rc = -ECANCELED; goto out; } @@ -381,14 +383,14 @@ ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf, } while (time_before(jiffies, stop)); chip->ops->cancel(chip); - dev_err(chip->dev, "Operation Timed out\n"); + dev_err(chip->pdev, "Operation Timed out\n"); rc = -ETIME; goto out; out_recv: rc = chip->ops->recv(chip, (u8 *) buf, bufsiz); if (rc < 0) - dev_err(chip->dev, + dev_err(chip->pdev, "tpm_transmit: tpm_recv: error %zd\n", rc); out: mutex_unlock(&chip->tpm_mutex); @@ -414,7 +416,7 @@ ssize_t tpm_transmit_cmd(struct tpm_chip *chip, void *cmd, err = be32_to_cpu(header->return_code); if (err != 0 && desc) - dev_err(chip->dev, "A TPM error (%d) occurred %s\n", err, desc); + dev_err(chip->pdev, "A TPM error (%d) occurred %s\n", err, desc); return err; } @@ -508,7 +510,7 @@ int tpm_get_timeouts(struct tpm_chip *chip) if (rc == TPM_ERR_INVALID_POSTINIT) { /* The TPM is not started, we are the first to talk to it. Execute a startup command. */ - dev_info(chip->dev, "Issuing TPM_STARTUP"); + dev_info(chip->pdev, "Issuing TPM_STARTUP"); if (tpm_startup(chip, TPM_ST_CLEAR)) return rc; @@ -520,7 +522,7 @@ int tpm_get_timeouts(struct tpm_chip *chip) NULL); } if (rc) { - dev_err(chip->dev, + dev_err(chip->pdev, "A TPM error (%zd) occurred attempting to determine the timeouts\n", rc); goto duration; @@ -559,7 +561,7 @@ int tpm_get_timeouts(struct tpm_chip *chip) /* Report adjusted timeouts */ if (chip->vendor.timeout_adjusted) { - dev_info(chip->dev, + dev_info(chip->pdev, HW_ERR "Adjusting reported timeouts: A %lu->%luus B %lu->%luus C %lu->%luus D %lu->%luus\n", old_timeout[0], new_timeout[0], old_timeout[1], new_timeout[1], @@ -606,7 +608,7 @@ duration: chip->vendor.duration[TPM_MEDIUM] *= 1000; chip->vendor.duration[TPM_LONG] *= 1000; chip->vendor.duration_adjusted = true; - dev_info(chip->dev, "Adjusting TPM timeout parameters."); + dev_info(chip->pdev, "Adjusting TPM timeout parameters."); } return 0; } @@ -772,7 +774,7 @@ int tpm_do_selftest(struct tpm_chip *chip) * around 300ms while the self test is ongoing, keep trying * until the self test duration expires. */ if (rc == -ETIME) { - dev_info(chip->dev, HW_ERR "TPM command timed out during continue self test"); + dev_info(chip->pdev, HW_ERR "TPM command timed out during continue self test"); msleep(delay_msec); continue; } @@ -782,7 +784,7 @@ int tpm_do_selftest(struct tpm_chip *chip) rc = be32_to_cpu(cmd.header.out.return_code); if (rc == TPM_ERR_DISABLED || rc == TPM_ERR_DEACTIVATED) { - dev_info(chip->dev, + dev_info(chip->pdev, "TPM is disabled/deactivated (0x%X)\n", rc); /* TPM is disabled and/or deactivated; driver can * proceed and TPM does handle commands for @@ -930,10 +932,10 @@ int tpm_pm_suspend(struct device *dev) } if (rc) - dev_err(chip->dev, + dev_err(chip->pdev, "Error (%d) sending savestate before suspend\n", rc); else if (try > 0) - dev_warn(chip->dev, "TPM savestate took %dms\n", + dev_warn(chip->pdev, "TPM savestate took %dms\n", try * TPM_TIMEOUT_RETRY); return rc; @@ -1014,6 +1016,27 @@ int tpm_get_random(u32 chip_num, u8 *out, size_t max) } EXPORT_SYMBOL_GPL(tpm_get_random); +static int __init tpm_init(void) +{ + tpm_class = class_create(THIS_MODULE, "tpm"); + if (IS_ERR(tpm_class)) { + pr_err("couldn't create tpm class\n"); + return PTR_ERR(tpm_class); + } + + tpm_dev_init(); + return 0; +} + +static void __exit tpm_exit(void) +{ + tpm_dev_exit(); + class_destroy(tpm_class); +} + +subsys_initcall(tpm_init); +module_exit(tpm_exit); + MODULE_AUTHOR("Leendert van Doorn (leendert@watson.ibm.com)"); MODULE_DESCRIPTION("TPM Driver"); MODULE_VERSION("2.0"); diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c index 8ecb052..ee66fd4 100644 --- a/drivers/char/tpm/tpm-sysfs.c +++ b/drivers/char/tpm/tpm-sysfs.c @@ -284,16 +284,16 @@ static const struct attribute_group tpm_dev_group = { int tpm_sysfs_add_device(struct tpm_chip *chip) { int err; - err = sysfs_create_group(&chip->dev->kobj, + err = sysfs_create_group(&chip->pdev->kobj, &tpm_dev_group); if (err) - dev_err(chip->dev, + dev_err(chip->pdev, "failed to create sysfs attributes, %d\n", err); return err; } void tpm_sysfs_del_device(struct tpm_chip *chip) { - sysfs_remove_group(&chip->dev->kobj, &tpm_dev_group); + sysfs_remove_group(&chip->pdev->kobj, &tpm_dev_group); } diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 076456a..97963d3 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -28,6 +28,7 @@ #include #include #include +#include enum tpm_const { TPM_MINOR = 224, /* officially assigned */ @@ -153,7 +154,11 @@ enum tpm_chip_flags { }; struct tpm_chip { - struct device *dev; /* Device stuff */ + /* Device associations */ + struct device *pdev; + struct device dev; + struct cdev cdev; + const struct tpm_class_ops *ops; unsigned int flags; @@ -180,7 +185,7 @@ struct tpm_chip { static inline void tpm_chip_put(struct tpm_chip *chip) { - module_put(chip->dev->driver->owner); + module_put(chip->pdev->driver->owner); } static inline int tpm_read_index(int base, int index) @@ -376,6 +381,8 @@ struct tpm_cmd_t { tpm_cmd_params params; } __packed; +extern struct class *tpm_class; + ssize_t tpm_getcap(struct device *, __be32, cap_t *, const char *); ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf, size_t bufsiz); @@ -398,6 +405,11 @@ extern void tpm_chip_unregister(struct tpm_chip *chip); int tpm_dev_add_device(struct tpm_chip *chip); void tpm_dev_del_device(struct tpm_chip *chip); +int tpm2_dev_add_device(struct tpm_chip *chip); +void tpm2_dev_del_device(struct tpm_chip *chip); +void tpm_dev_init(void); +void tpm_dev_exit(void); + int tpm_sysfs_add_device(struct tpm_chip *chip); void tpm_sysfs_del_device(struct tpm_chip *chip); diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c index fb2f921..387b0c0 100644 --- a/drivers/char/tpm/tpm_atmel.c +++ b/drivers/char/tpm/tpm_atmel.c @@ -49,7 +49,7 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count) for (i = 0; i < 6; i++) { status = ioread8(chip->vendor.iobase + 1); if ((status & ATML_STATUS_DATA_AVAIL) == 0) { - dev_err(chip->dev, "error reading header\n"); + dev_err(chip->pdev, "error reading header\n"); return -EIO; } *buf++ = ioread8(chip->vendor.iobase); @@ -60,12 +60,12 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count) size = be32_to_cpu(*native_size); if (count < size) { - dev_err(chip->dev, + dev_err(chip->pdev, "Recv size(%d) less than available space\n", size); for (; i < size; i++) { /* clear the waiting data anyway */ status = ioread8(chip->vendor.iobase + 1); if ((status & ATML_STATUS_DATA_AVAIL) == 0) { - dev_err(chip->dev, "error reading data\n"); + dev_err(chip->pdev, "error reading data\n"); return -EIO; } } @@ -76,7 +76,7 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count) for (; i < size; i++) { status = ioread8(chip->vendor.iobase + 1); if ((status & ATML_STATUS_DATA_AVAIL) == 0) { - dev_err(chip->dev, "error reading data\n"); + dev_err(chip->pdev, "error reading data\n"); return -EIO; } *buf++ = ioread8(chip->vendor.iobase); @@ -86,7 +86,7 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count) status = ioread8(chip->vendor.iobase + 1); if (status & ATML_STATUS_DATA_AVAIL) { - dev_err(chip->dev, "data available is stuck\n"); + dev_err(chip->pdev, "data available is stuck\n"); return -EIO; } @@ -97,9 +97,9 @@ static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count) { int i; - dev_dbg(chip->dev, "tpm_atml_send:\n"); + dev_dbg(chip->pdev, "tpm_atml_send:\n"); for (i = 0; i < count; i++) { - dev_dbg(chip->dev, "%d 0x%x(%d)\n", i, buf[i], buf[i]); + dev_dbg(chip->pdev, "%d 0x%x(%d)\n", i, buf[i], buf[i]); iowrite8(buf[i], chip->vendor.iobase); } diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 3b7202c..c95ddc9 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -169,7 +169,7 @@ static int crb_send(struct tpm_chip *chip, u8 *buf, size_t len) cca = priv->cca; if (len > le32_to_cpu(cca->cmd_size)) { - dev_err(chip->dev, + dev_err(chip->pdev, "invalid command count value %x %zx\n", (unsigned int) len, (size_t) le32_to_cpu(cca->cmd_size)); @@ -200,7 +200,7 @@ static void crb_cancel(struct tpm_chip *chip) wmb(); if (crb_do_acpi_start(chip)) - dev_err(chip->dev, "ACPI Start failed\n"); + dev_err(chip->pdev, "ACPI Start failed\n"); cca->cancel = 0; } diff --git a/drivers/char/tpm/tpm_i2c_atmel.c b/drivers/char/tpm/tpm_i2c_atmel.c index 8af3b4a..dfef1ae 100644 --- a/drivers/char/tpm/tpm_i2c_atmel.c +++ b/drivers/char/tpm/tpm_i2c_atmel.c @@ -52,7 +52,7 @@ struct priv_data { static int i2c_atmel_send(struct tpm_chip *chip, u8 *buf, size_t len) { struct priv_data *priv = chip->vendor.priv; - struct i2c_client *client = to_i2c_client(chip->dev); + struct i2c_client *client = to_i2c_client(chip->pdev); s32 status; priv->len = 0; @@ -62,7 +62,7 @@ static int i2c_atmel_send(struct tpm_chip *chip, u8 *buf, size_t len) status = i2c_master_send(client, buf, len); - dev_dbg(chip->dev, + dev_dbg(chip->pdev, "%s(buf=%*ph len=%0zx) -> sts=%d\n", __func__, (int)min_t(size_t, 64, len), buf, len, status); return status; @@ -71,7 +71,7 @@ static int i2c_atmel_send(struct tpm_chip *chip, u8 *buf, size_t len) static int i2c_atmel_recv(struct tpm_chip *chip, u8 *buf, size_t count) { struct priv_data *priv = chip->vendor.priv; - struct i2c_client *client = to_i2c_client(chip->dev); + struct i2c_client *client = to_i2c_client(chip->pdev); struct tpm_output_header *hdr = (struct tpm_output_header *)priv->buffer; u32 expected_len; @@ -88,7 +88,7 @@ static int i2c_atmel_recv(struct tpm_chip *chip, u8 *buf, size_t count) return -ENOMEM; if (priv->len >= expected_len) { - dev_dbg(chip->dev, + dev_dbg(chip->pdev, "%s early(buf=%*ph count=%0zx) -> ret=%d\n", __func__, (int)min_t(size_t, 64, expected_len), buf, count, expected_len); @@ -97,7 +97,7 @@ static int i2c_atmel_recv(struct tpm_chip *chip, u8 *buf, size_t count) } rc = i2c_master_recv(client, buf, expected_len); - dev_dbg(chip->dev, + dev_dbg(chip->pdev, "%s reread(buf=%*ph count=%0zx) -> ret=%d\n", __func__, (int)min_t(size_t, 64, expected_len), buf, count, expected_len); @@ -106,13 +106,13 @@ static int i2c_atmel_recv(struct tpm_chip *chip, u8 *buf, size_t count) static void i2c_atmel_cancel(struct tpm_chip *chip) { - dev_err(chip->dev, "TPM operation cancellation was requested, but is not supported"); + dev_err(chip->pdev, "TPM operation cancellation was requested, but is not supported"); } static u8 i2c_atmel_read_status(struct tpm_chip *chip) { struct priv_data *priv = chip->vendor.priv; - struct i2c_client *client = to_i2c_client(chip->dev); + struct i2c_client *client = to_i2c_client(chip->pdev); int rc; /* The TPM fails the I2C read until it is ready, so we do the entire @@ -125,7 +125,7 @@ static u8 i2c_atmel_read_status(struct tpm_chip *chip) /* Once the TPM has completed the command the command remains readable * until another command is issued. */ rc = i2c_master_recv(client, priv->buffer, sizeof(priv->buffer)); - dev_dbg(chip->dev, + dev_dbg(chip->pdev, "%s: sts=%d", __func__, rc); if (rc <= 0) return 0; diff --git a/drivers/char/tpm/tpm_i2c_infineon.c b/drivers/char/tpm/tpm_i2c_infineon.c index 03708e6..33c5f36 100644 --- a/drivers/char/tpm/tpm_i2c_infineon.c +++ b/drivers/char/tpm/tpm_i2c_infineon.c @@ -446,7 +446,7 @@ static int tpm_tis_i2c_recv(struct tpm_chip *chip, u8 *buf, size_t count) /* read first 10 bytes, including tag, paramsize, and result */ size = recv_data(chip, buf, TPM_HEADER_SIZE); if (size < TPM_HEADER_SIZE) { - dev_err(chip->dev, "Unable to read header\n"); + dev_err(chip->pdev, "Unable to read header\n"); goto out; } @@ -459,14 +459,14 @@ static int tpm_tis_i2c_recv(struct tpm_chip *chip, u8 *buf, size_t count) size += recv_data(chip, &buf[TPM_HEADER_SIZE], expected - TPM_HEADER_SIZE); if (size < expected) { - dev_err(chip->dev, "Unable to read remainder of result\n"); + dev_err(chip->pdev, "Unable to read remainder of result\n"); size = -ETIME; goto out; } wait_for_stat(chip, TPM_STS_VALID, chip->vendor.timeout_c, &status); if (status & TPM_STS_DATA_AVAIL) { /* retry? */ - dev_err(chip->dev, "Error left over data\n"); + dev_err(chip->pdev, "Error left over data\n"); size = -EIO; goto out; } diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c index 09f0c46..92ee9fa 100644 --- a/drivers/char/tpm/tpm_i2c_nuvoton.c +++ b/drivers/char/tpm/tpm_i2c_nuvoton.c @@ -96,13 +96,13 @@ static s32 i2c_nuvoton_write_buf(struct i2c_client *client, u8 offset, u8 size, /* read TPM_STS register */ static u8 i2c_nuvoton_read_status(struct tpm_chip *chip) { - struct i2c_client *client = to_i2c_client(chip->dev); + struct i2c_client *client = to_i2c_client(chip->pdev); s32 status; u8 data; status = i2c_nuvoton_read_buf(client, TPM_STS, 1, &data); if (status <= 0) { - dev_err(chip->dev, "%s() error return %d\n", __func__, + dev_err(chip->pdev, "%s() error return %d\n", __func__, status); data = TPM_STS_ERR_VAL; } @@ -127,13 +127,13 @@ static s32 i2c_nuvoton_write_status(struct i2c_client *client, u8 data) /* write commandReady to TPM_STS register */ static void i2c_nuvoton_ready(struct tpm_chip *chip) { - struct i2c_client *client = to_i2c_client(chip->dev); + struct i2c_client *client = to_i2c_client(chip->pdev); s32 status; /* this causes the current command to be aborted */ status = i2c_nuvoton_write_status(client, TPM_STS_COMMAND_READY); if (status < 0) - dev_err(chip->dev, + dev_err(chip->pdev, "%s() fail to write TPM_STS.commandReady\n", __func__); } @@ -212,7 +212,7 @@ static int i2c_nuvoton_wait_for_stat(struct tpm_chip *chip, u8 mask, u8 value, return 0; } while (time_before(jiffies, stop)); } - dev_err(chip->dev, "%s(%02x, %02x) -> timeout\n", __func__, mask, + dev_err(chip->pdev, "%s(%02x, %02x) -> timeout\n", __func__, mask, value); return -ETIMEDOUT; } @@ -240,7 +240,7 @@ static int i2c_nuvoton_recv_data(struct i2c_client *client, &chip->vendor.read_queue) == 0) { burst_count = i2c_nuvoton_get_burstcount(client, chip); if (burst_count < 0) { - dev_err(chip->dev, + dev_err(chip->pdev, "%s() fail to read burstCount=%d\n", __func__, burst_count); return -EIO; @@ -249,12 +249,12 @@ static int i2c_nuvoton_recv_data(struct i2c_client *client, rc = i2c_nuvoton_read_buf(client, TPM_DATA_FIFO_R, bytes2read, &buf[size]); if (rc < 0) { - dev_err(chip->dev, + dev_err(chip->pdev, "%s() fail on i2c_nuvoton_read_buf()=%d\n", __func__, rc); return -EIO; } - dev_dbg(chip->dev, "%s(%d):", __func__, bytes2read); + dev_dbg(chip->pdev, "%s(%d):", __func__, bytes2read); size += bytes2read; } @@ -264,7 +264,7 @@ static int i2c_nuvoton_recv_data(struct i2c_client *client, /* Read TPM command results */ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count) { - struct device *dev = chip->dev; + struct device *dev = chip->pdev; struct i2c_client *client = to_i2c_client(dev); s32 rc; int expected, status, burst_count, retries, size = 0; @@ -334,7 +334,7 @@ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count) break; } i2c_nuvoton_ready(chip); - dev_dbg(chip->dev, "%s() -> %d\n", __func__, size); + dev_dbg(chip->pdev, "%s() -> %d\n", __func__, size); return size; } @@ -347,7 +347,7 @@ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count) */ static int i2c_nuvoton_send(struct tpm_chip *chip, u8 *buf, size_t len) { - struct device *dev = chip->dev; + struct device *dev = chip->pdev; struct i2c_client *client = to_i2c_client(dev); u32 ordinal; size_t count = 0; diff --git a/drivers/char/tpm/tpm_i2c_stm_st33.c b/drivers/char/tpm/tpm_i2c_stm_st33.c index b9d1a38..64ef510 100644 --- a/drivers/char/tpm/tpm_i2c_stm_st33.c +++ b/drivers/char/tpm/tpm_i2c_stm_st33.c @@ -544,7 +544,7 @@ static int tpm_stm_i2c_recv(struct tpm_chip *chip, unsigned char *buf, size = recv_data(chip, buf, TPM_HEADER_SIZE); if (size < TPM_HEADER_SIZE) { - dev_err(chip->dev, "Unable to read header\n"); + dev_err(chip->pdev, "Unable to read header\n"); goto out; } @@ -557,7 +557,7 @@ static int tpm_stm_i2c_recv(struct tpm_chip *chip, unsigned char *buf, size += recv_data(chip, &buf[TPM_HEADER_SIZE], expected - TPM_HEADER_SIZE); if (size < expected) { - dev_err(chip->dev, "Unable to read remainder of result\n"); + dev_err(chip->pdev, "Unable to read remainder of result\n"); size = -ETIME; goto out; } @@ -671,7 +671,7 @@ tpm_st33_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) IRQF_TRIGGER_HIGH, "TPM SERIRQ management", chip); if (err < 0) { - dev_err(chip->dev , "TPM SERIRQ signals %d not available\n", + dev_err(chip->pdev , "TPM SERIRQ signals %d not available\n", gpio_to_irq(platform_data->io_serirq)); goto _irq_set; } diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c index dcdb671..6d49213 100644 --- a/drivers/char/tpm/tpm_infineon.c +++ b/drivers/char/tpm/tpm_infineon.c @@ -195,9 +195,9 @@ static int wait(struct tpm_chip *chip, int wait_for_bit) } if (i == TPM_MAX_TRIES) { /* timeout occurs */ if (wait_for_bit == STAT_XFE) - dev_err(chip->dev, "Timeout in wait(STAT_XFE)\n"); + dev_err(chip->pdev, "Timeout in wait(STAT_XFE)\n"); if (wait_for_bit == STAT_RDA) - dev_err(chip->dev, "Timeout in wait(STAT_RDA)\n"); + dev_err(chip->pdev, "Timeout in wait(STAT_RDA)\n"); return -EIO; } return 0; @@ -220,7 +220,7 @@ static void wait_and_send(struct tpm_chip *chip, u8 sendbyte) static void tpm_wtx(struct tpm_chip *chip) { number_of_wtx++; - dev_info(chip->dev, "Granting WTX (%02d / %02d)\n", + dev_info(chip->pdev, "Granting WTX (%02d / %02d)\n", number_of_wtx, TPM_MAX_WTX_PACKAGES); wait_and_send(chip, TPM_VL_VER); wait_and_send(chip, TPM_CTRL_WTX); @@ -231,7 +231,7 @@ static void tpm_wtx(struct tpm_chip *chip) static void tpm_wtx_abort(struct tpm_chip *chip) { - dev_info(chip->dev, "Aborting WTX\n"); + dev_info(chip->pdev, "Aborting WTX\n"); wait_and_send(chip, TPM_VL_VER); wait_and_send(chip, TPM_CTRL_WTX_ABORT); wait_and_send(chip, 0x00); @@ -257,7 +257,7 @@ recv_begin: } if (buf[0] != TPM_VL_VER) { - dev_err(chip->dev, + dev_err(chip->pdev, "Wrong transport protocol implementation!\n"); return -EIO; } @@ -272,7 +272,7 @@ recv_begin: } if ((size == 0x6D00) && (buf[1] == 0x80)) { - dev_err(chip->dev, "Error handling on vendor layer!\n"); + dev_err(chip->pdev, "Error handling on vendor layer!\n"); return -EIO; } @@ -284,7 +284,7 @@ recv_begin: } if (buf[1] == TPM_CTRL_WTX) { - dev_info(chip->dev, "WTX-package received\n"); + dev_info(chip->pdev, "WTX-package received\n"); if (number_of_wtx < TPM_MAX_WTX_PACKAGES) { tpm_wtx(chip); goto recv_begin; @@ -295,14 +295,14 @@ recv_begin: } if (buf[1] == TPM_CTRL_WTX_ABORT_ACK) { - dev_info(chip->dev, "WTX-abort acknowledged\n"); + dev_info(chip->pdev, "WTX-abort acknowledged\n"); return size; } if (buf[1] == TPM_CTRL_ERROR) { - dev_err(chip->dev, "ERROR-package received:\n"); + dev_err(chip->pdev, "ERROR-package received:\n"); if (buf[4] == TPM_INF_NAK) - dev_err(chip->dev, + dev_err(chip->pdev, "-> Negative acknowledgement" " - retransmit command!\n"); return -EIO; @@ -321,7 +321,7 @@ static int tpm_inf_send(struct tpm_chip *chip, u8 * buf, size_t count) ret = empty_fifo(chip, 1); if (ret) { - dev_err(chip->dev, "Timeout while clearing FIFO\n"); + dev_err(chip->pdev, "Timeout while clearing FIFO\n"); return -EIO; } diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c index 00c5470..072c298 100644 --- a/drivers/char/tpm/tpm_nsc.c +++ b/drivers/char/tpm/tpm_nsc.c @@ -113,7 +113,7 @@ static int nsc_wait_for_ready(struct tpm_chip *chip) } while (time_before(jiffies, stop)); - dev_info(chip->dev, "wait for ready failed\n"); + dev_info(chip->pdev, "wait for ready failed\n"); return -EBUSY; } @@ -129,12 +129,12 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count) return -EIO; if (wait_for_stat(chip, NSC_STATUS_F0, NSC_STATUS_F0, &data) < 0) { - dev_err(chip->dev, "F0 timeout\n"); + dev_err(chip->pdev, "F0 timeout\n"); return -EIO; } if ((data = inb(chip->vendor.base + NSC_DATA)) != NSC_COMMAND_NORMAL) { - dev_err(chip->dev, "not in normal mode (0x%x)\n", + dev_err(chip->pdev, "not in normal mode (0x%x)\n", data); return -EIO; } @@ -143,7 +143,7 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count) for (p = buffer; p < &buffer[count]; p++) { if (wait_for_stat (chip, NSC_STATUS_OBF, NSC_STATUS_OBF, &data) < 0) { - dev_err(chip->dev, + dev_err(chip->pdev, "OBF timeout (while reading data)\n"); return -EIO; } @@ -154,11 +154,11 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count) if ((data & NSC_STATUS_F0) == 0 && (wait_for_stat(chip, NSC_STATUS_F0, NSC_STATUS_F0, &data) < 0)) { - dev_err(chip->dev, "F0 not set\n"); + dev_err(chip->pdev, "F0 not set\n"); return -EIO; } if ((data = inb(chip->vendor.base + NSC_DATA)) != NSC_COMMAND_EOC) { - dev_err(chip->dev, + dev_err(chip->pdev, "expected end of command(0x%x)\n", data); return -EIO; } @@ -189,19 +189,19 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count) return -EIO; if (wait_for_stat(chip, NSC_STATUS_IBF, 0, &data) < 0) { - dev_err(chip->dev, "IBF timeout\n"); + dev_err(chip->pdev, "IBF timeout\n"); return -EIO; } outb(NSC_COMMAND_NORMAL, chip->vendor.base + NSC_COMMAND); if (wait_for_stat(chip, NSC_STATUS_IBR, NSC_STATUS_IBR, &data) < 0) { - dev_err(chip->dev, "IBR timeout\n"); + dev_err(chip->pdev, "IBR timeout\n"); return -EIO; } for (i = 0; i < count; i++) { if (wait_for_stat(chip, NSC_STATUS_IBF, 0, &data) < 0) { - dev_err(chip->dev, + dev_err(chip->pdev, "IBF timeout (while writing data)\n"); return -EIO; } @@ -209,7 +209,7 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count) } if (wait_for_stat(chip, NSC_STATUS_IBF, 0, &data) < 0) { - dev_err(chip->dev, "IBF timeout\n"); + dev_err(chip->pdev, "IBF timeout\n"); return -EIO; } outb(NSC_COMMAND_EOC, chip->vendor.base + NSC_COMMAND); diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index 6acdb17..659de61 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -358,11 +358,11 @@ int tpm_add_ppi(struct tpm_chip *chip) ACPI_FREE(obj); - return sysfs_create_group(&chip->dev->kobj, &ppi_attr_grp); + return sysfs_create_group(&chip->pdev->kobj, &ppi_attr_grp); } void tpm_remove_ppi(struct tpm_chip *chip) { if (chip->ppi_version[0] != '\0') - sysfs_remove_group(&chip->dev->kobj, &ppi_attr_grp); + sysfs_remove_group(&chip->pdev->kobj, &ppi_attr_grp); } diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 4d4bff1..66780ba 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -244,7 +244,7 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count) /* read first 10 bytes, including tag, paramsize, and result */ if ((size = recv_data(chip, buf, TPM_HEADER_SIZE)) < TPM_HEADER_SIZE) { - dev_err(chip->dev, "Unable to read header\n"); + dev_err(chip->pdev, "Unable to read header\n"); goto out; } @@ -257,7 +257,7 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count) if ((size += recv_data(chip, &buf[TPM_HEADER_SIZE], expected - TPM_HEADER_SIZE)) < expected) { - dev_err(chip->dev, "Unable to read remainder of result\n"); + dev_err(chip->pdev, "Unable to read remainder of result\n"); size = -ETIME; goto out; } @@ -266,7 +266,7 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count) &chip->vendor.int_queue, false); status = tpm_tis_status(chip); if (status & TPM_STS_DATA_AVAIL) { /* retry? */ - dev_err(chip->dev, "Error left over data\n"); + dev_err(chip->pdev, "Error left over data\n"); size = -EIO; goto out; } @@ -445,7 +445,7 @@ static int probe_itpm(struct tpm_chip *chip) rc = tpm_tis_send_data(chip, cmd_getticks, len); if (rc == 0) { - dev_info(chip->dev, "Detected an iTPM.\n"); + dev_info(chip->pdev, "Detected an iTPM.\n"); rc = 1; } else rc = -EFAULT; @@ -696,7 +696,7 @@ static int tpm_tis_init(struct device *dev, acpi_handle acpi_dev_handle, if (devm_request_irq (dev, i, tis_int_probe, IRQF_SHARED, chip->vendor.miscdev.name, chip) != 0) { - dev_info(chip->dev, + dev_info(chip->pdev, "Unable to request irq: %d for probe\n", i); continue; @@ -746,7 +746,7 @@ static int tpm_tis_init(struct device *dev, acpi_handle acpi_dev_handle, if (devm_request_irq (dev, chip->vendor.irq, tis_int_handler, IRQF_SHARED, chip->vendor.miscdev.name, chip) != 0) { - dev_info(chip->dev, + dev_info(chip->pdev, "Unable to request irq: %d for use\n", chip->vendor.irq); chip->vendor.irq = 0; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/