[tpmdd-devel,1/6] tpm: Remove useless priv field in struct tpm_vendor_specific

Message ID	1458941160-4437-2-git-send-email-christophe-h.ricard@st.com
State	New
Headers	show Return-Path: <tpmdd-devel-bounces@lists.sourceforge.net> Received-SPF: pass (sog-mx-4.v43.ch3.sourceforge.com: domain of gmail.com designates 74.125.82.66 as permitted sender) client-ip=74.125.82.66; envelope-from=christophe.ricard@gmail.com; helo=mail-wm0-f66.google.com; From: Christophe Ricard <christophe.ricard@gmail.com> To: jarkko.sakkinen@linux.intel.com Date: Fri, 25 Mar 2016 22:25:55 +0100 Message-Id: <1458941160-4437-2-git-send-email-christophe-h.ricard@st.com> In-Reply-To: <1458941160-4437-1-git-send-email-christophe-h.ricard@st.com> References: <1458941160-4437-1-git-send-email-christophe-h.ricard@st.com> SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 AWL AWL: Adjusted score from AWL reputation of From: address Cc: jean-luc.blanc@st.com, ashley@ashleylai.com, tpmdd-devel@lists.sourceforge.net, christophe-h.ricard@st.com, benoit.houyere@st.com Subject: [tpmdd-devel] [PATCH 1/6] tpm: Remove useless priv field in struct tpm_vendor_specific Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: tpmdd-devel-bounces@lists.sourceforge.net

diff --git a/drivers/char/tpm/st33zp24/i2c.c b/drivers/char/tpm/st33zp24/i2c.c index f8e8123..028a9cd 100644 --- a/drivers/char/tpm/st33zp24/i2c.c +++ b/drivers/char/tpm/st33zp24/i2c.c @@ -26,6 +26,7 @@ #include <linux/tpm.h> #include <linux/platform_data/st33zp24.h> +#include "../tpm.h" #include "st33zp24.h" #define TPM_DUMMY_BYTE 0xAA @@ -112,7 +113,9 @@ static const struct st33zp24_phy_ops i2c_phy_ops = { static int st33zp24_i2c_acpi_request_resources(struct i2c_client *client) { - struct st33zp24_i2c_phy *phy = i2c_get_clientdata(client); + struct tpm_chip *chip = i2c_get_clientdata(client); + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); + struct st33zp24_i2c_phy *phy = tpm_dev->phy_id; struct gpio_desc *gpiod_lpcpd; struct device *dev = &client->dev; @@ -138,7 +141,9 @@ static int st33zp24_i2c_acpi_request_resources(struct i2c_client *client) static int st33zp24_i2c_of_request_resources(struct i2c_client *client) { - struct st33zp24_i2c_phy *phy = i2c_get_clientdata(client); + struct tpm_chip *chip = i2c_get_clientdata(client); + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); + struct st33zp24_i2c_phy *phy = tpm_dev->phy_id; struct device_node *pp; int gpio; int ret; @@ -176,8 +181,10 @@ static int st33zp24_i2c_of_request_resources(struct i2c_client *client) static int st33zp24_i2c_request_resources(struct i2c_client *client) { + struct tpm_chip *chip = i2c_get_clientdata(client); + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); + struct st33zp24_i2c_phy *phy = tpm_dev->phy_id; struct st33zp24_platform_data *pdata; - struct st33zp24_i2c_phy *phy = i2c_get_clientdata(client); int ret; pdata = client->dev.platform_data; @@ -234,8 +241,6 @@ static int st33zp24_i2c_probe(struct i2c_client *client, phy->client = client; - i2c_set_clientdata(client, phy); - pdata = client->dev.platform_data; if (!pdata && client->dev.of_node) { ret = st33zp24_i2c_of_request_resources(client); diff --git a/drivers/char/tpm/st33zp24/spi.c b/drivers/char/tpm/st33zp24/spi.c index 608dbc6..9f5a011 100644 --- a/drivers/char/tpm/st33zp24/spi.c +++ b/drivers/char/tpm/st33zp24/spi.c @@ -26,6 +26,7 @@ #include <linux/tpm.h> #include <linux/platform_data/st33zp24.h> +#include "../tpm.h" #include "st33zp24.h" #define TPM_DATA_FIFO 0x24 @@ -231,7 +232,9 @@ static const struct st33zp24_phy_ops spi_phy_ops = { static int st33zp24_spi_acpi_request_resources(struct spi_device *spi_dev) { - struct st33zp24_spi_phy *phy = spi_get_drvdata(spi_dev); + struct tpm_chip *chip = spi_get_drvdata(spi_dev); + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); + struct st33zp24_spi_phy *phy = tpm_dev->phy_id; struct gpio_desc *gpiod_lpcpd; struct device *dev = &spi_dev->dev; @@ -256,7 +259,9 @@ static int st33zp24_spi_acpi_request_resources(struct spi_device *spi_dev) static int st33zp24_spi_of_request_resources(struct spi_device *spi_dev) { - struct st33zp24_spi_phy *phy = spi_get_drvdata(spi_dev); + struct tpm_chip *chip = spi_get_drvdata(spi_dev); + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); + struct st33zp24_spi_phy *phy = tpm_dev->phy_id; struct device_node *pp; int gpio; int ret; @@ -294,7 +299,9 @@ static int st33zp24_spi_of_request_resources(struct spi_device *spi_dev) static int st33zp24_spi_request_resources(struct spi_device *dev) { - struct st33zp24_spi_phy *phy = spi_get_drvdata(dev); + struct tpm_chip *chip = spi_get_drvdata(dev); + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); + struct st33zp24_spi_phy *phy = tpm_dev->phy_id; struct st33zp24_platform_data *pdata; int ret; @@ -347,8 +354,6 @@ static int st33zp24_spi_probe(struct spi_device *dev) phy->spi_device = dev; - spi_set_drvdata(dev, phy); - pdata = dev->dev.platform_data; if (!pdata && dev->dev.of_node) { ret = st33zp24_spi_of_request_resources(dev); diff --git a/drivers/char/tpm/st33zp24/st33zp24.c b/drivers/char/tpm/st33zp24/st33zp24.c index 9e91ca7..3c0625c 100644 --- a/drivers/char/tpm/st33zp24/st33zp24.c +++ b/drivers/char/tpm/st33zp24/st33zp24.c @@ -73,14 +73,6 @@ enum tis_defaults { TIS_LONG_TIMEOUT = 2000, }; -struct st33zp24_dev { - struct tpm_chip *chip; - void *phy_id; - const struct st33zp24_phy_ops *ops; - u32 intrs; - int io_lpcpd; -}; - /* * clear_interruption clear the pending interrupt. * @param: tpm_dev, the tpm device device. @@ -102,11 +94,9 @@ static u8 clear_interruption(struct st33zp24_dev *tpm_dev) */ static void st33zp24_cancel(struct tpm_chip *chip) { - struct st33zp24_dev *tpm_dev; + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); u8 data; - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); - data = TPM_STS_COMMAND_READY; tpm_dev->ops->send(tpm_dev->phy_id, TPM_STS, &data, 1); } /* st33zp24_cancel() */ @@ -118,10 +108,9 @@ static void st33zp24_cancel(struct tpm_chip *chip) */ static u8 st33zp24_status(struct tpm_chip *chip) { - struct st33zp24_dev *tpm_dev; - u8 data; + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); + u8 data; tpm_dev->ops->recv(tpm_dev->phy_id, TPM_STS, &data, 1); return data; @@ -134,12 +123,10 @@ static u8 st33zp24_status(struct tpm_chip *chip) */ static int check_locality(struct tpm_chip *chip) { - struct st33zp24_dev *tpm_dev; + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); u8 data; u8 status; - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); - status = tpm_dev->ops->recv(tpm_dev->phy_id, TPM_ACCESS, &data, 1); if (status && (data & (TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID)) == @@ -158,14 +145,12 @@ static int request_locality(struct tpm_chip *chip) { unsigned long stop; long ret; - struct st33zp24_dev *tpm_dev; + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); u8 data; if (check_locality(chip) == chip->vendor.locality) return chip->vendor.locality; - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); - data = TPM_ACCESS_REQUEST_USE; ret = tpm_dev->ops->send(tpm_dev->phy_id, TPM_ACCESS, &data, 1); if (ret < 0) @@ -190,10 +175,9 @@ static int request_locality(struct tpm_chip *chip) */ static void release_locality(struct tpm_chip *chip) { - struct st33zp24_dev *tpm_dev; + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); u8 data; - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); data = TPM_ACCESS_ACTIVE_LOCALITY; tpm_dev->ops->send(tpm_dev->phy_id, TPM_ACCESS, &data, 1); @@ -206,12 +190,10 @@ static void release_locality(struct tpm_chip *chip) */ static int get_burstcount(struct tpm_chip *chip) { + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); unsigned long stop; int burstcnt, status; u8 temp; - struct st33zp24_dev *tpm_dev; - - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); stop = jiffies + chip->vendor.timeout_d; do { @@ -271,15 +253,13 @@ static bool wait_for_tpm_stat_cond(struct tpm_chip *chip, u8 mask, static int wait_for_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout, wait_queue_head_t *queue, bool check_cancel) { + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); unsigned long stop; int ret = 0; bool canceled = false; bool condition; u32 cur_intrs; u8 status; - struct st33zp24_dev *tpm_dev; - - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); /* check current status */ status = st33zp24_status(chip); @@ -337,10 +317,8 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout, */ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count) { + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); int size = 0, burstcnt, len, ret; - struct st33zp24_dev *tpm_dev; - - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); while (size < count && wait_for_stat(chip, @@ -370,9 +348,7 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count) static irqreturn_t tpm_ioserirq_handler(int irq, void *dev_id) { struct tpm_chip *chip = dev_id; - struct st33zp24_dev *tpm_dev; - - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); tpm_dev->intrs++; wake_up_interruptible(&chip->vendor.read_queue); @@ -393,19 +369,17 @@ static irqreturn_t tpm_ioserirq_handler(int irq, void *dev_id) static int st33zp24_send(struct tpm_chip *chip, unsigned char *buf, size_t len) { + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); u32 status, i, size, ordinal; int burstcnt = 0; int ret; u8 data; - struct st33zp24_dev *tpm_dev; if (!chip) return -EBUSY; if (len < TPM_HEADER_SIZE) return -EBUSY; - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); - ret = request_locality(chip); if (ret < 0) return ret; @@ -565,9 +539,9 @@ int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops, if (!tpm_dev) return -ENOMEM; - TPM_VPRIV(chip) = tpm_dev; tpm_dev->phy_id = phy_id; tpm_dev->ops = ops; + dev_set_drvdata(&chip->dev, tpm_dev); chip->vendor.timeout_a = msecs_to_jiffies(TIS_SHORT_TIMEOUT); chip->vendor.timeout_b = msecs_to_jiffies(TIS_LONG_TIMEOUT); @@ -650,11 +624,9 @@ EXPORT_SYMBOL(st33zp24_remove); int st33zp24_pm_suspend(struct device *dev) { struct tpm_chip *chip = dev_get_drvdata(dev); - struct st33zp24_dev *tpm_dev; + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); int ret = 0; - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); - if (gpio_is_valid(tpm_dev->io_lpcpd)) gpio_set_value(tpm_dev->io_lpcpd, 0); else @@ -672,11 +644,9 @@ EXPORT_SYMBOL(st33zp24_pm_suspend); int st33zp24_pm_resume(struct device *dev) { struct tpm_chip *chip = dev_get_drvdata(dev); - struct st33zp24_dev *tpm_dev; + struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); int ret = 0; - tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip); - if (gpio_is_valid(tpm_dev->io_lpcpd)) { gpio_set_value(tpm_dev->io_lpcpd, 1); ret = wait_for_stat(chip, diff --git a/drivers/char/tpm/st33zp24/st33zp24.h b/drivers/char/tpm/st33zp24/st33zp24.h index bcbd5ff..b242263 100644 --- a/drivers/char/tpm/st33zp24/st33zp24.h +++ b/drivers/char/tpm/st33zp24/st33zp24.h @@ -21,6 +21,13 @@ #define TPM_WRITE_DIRECTION 0x80 #define TPM_BUFSIZE 2048 +struct st33zp24_dev { + void *phy_id; + const struct st33zp24_phy_ops *ops; + u32 intrs; + int io_lpcpd; +}; + struct st33zp24_phy_ops { int (*send)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size); int (*recv)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size); diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 357ac14..c4d3f41 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -138,13 +138,10 @@ struct tpm_vendor_specific { bool timeout_adjusted; unsigned long duration[3]; /* jiffies */ bool duration_adjusted; - void *priv; wait_queue_head_t read_queue; }; -#define TPM_VPRIV(c) ((c)->vendor.priv) - #define TPM_VID_INTEL 0x8086 #define TPM_VID_WINBOND 0x1050 #define TPM_VID_STM 0x104A diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c index b769299..0d322ab 100644 --- a/drivers/char/tpm/tpm_atmel.c +++ b/drivers/char/tpm/tpm_atmel.c @@ -37,7 +37,7 @@ enum tpm_atmel_read_status { static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count) { - struct tpm_atmel_priv *priv = chip->vendor.priv; + struct tpm_atmel_priv *priv = dev_get_drvdata(&chip->dev); u8 status, *hdr = buf; u32 size; int i; @@ -96,7 +96,7 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count) static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count) { - struct tpm_atmel_priv *priv = chip->vendor.priv; + struct tpm_atmel_priv *priv = dev_get_drvdata(&chip->dev); int i; dev_dbg(&chip->dev, "tpm_atml_send:\n"); @@ -110,14 +110,14 @@ static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count) static void tpm_atml_cancel(struct tpm_chip *chip) { - struct tpm_atmel_priv *priv = chip->vendor.priv; + struct tpm_atmel_priv *priv = dev_get_drvdata(&chip->dev); iowrite8(ATML_STATUS_ABORT, priv->iobase + 1); } static u8 tpm_atml_status(struct tpm_chip *chip) { - struct tpm_atmel_priv *priv = chip->vendor.priv; + struct tpm_atmel_priv *priv = dev_get_drvdata(&chip->dev); return ioread8(priv->iobase + 1); } @@ -142,7 +142,7 @@ static struct platform_device *pdev; static void atml_plat_remove(void) { struct tpm_chip *chip = dev_get_drvdata(&pdev->dev); - struct tpm_atmel_priv *priv = chip->vendor.priv; + struct tpm_atmel_priv *priv = dev_get_drvdata(&chip->dev); if (chip) { tpm_chip_unregister(chip); @@ -207,7 +207,7 @@ static int __init init_atmel(void) goto err_unreg_dev; } - chip->vendor.priv = priv; + dev_set_drvdata(&chip->dev, priv); rc = tpm_chip_register(chip); if (rc) diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h index 7e37c16..c786e01 100644 --- a/drivers/char/tpm/tpm_atmel.h +++ b/drivers/char/tpm/tpm_atmel.h @@ -29,11 +29,6 @@ struct tpm_atmel_priv { void __iomem *iobase; }; -static inline struct tpm_atmel_priv *atmel_get_priv(struct tpm_chip *chip) -{ - return chip->vendor.priv; -} - #ifdef CONFIG_PPC64 #include <asm/prom.h> diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 8767da6..20155d5 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -87,7 +87,7 @@ static SIMPLE_DEV_PM_OPS(crb_pm, tpm_pm_suspend, tpm_pm_resume); static u8 crb_status(struct tpm_chip *chip) { - struct crb_priv *priv = chip->vendor.priv; + struct crb_priv *priv = dev_get_drvdata(&chip->dev); u8 sts = 0; if ((ioread32(&priv->cca->start) & CRB_START_INVOKE) != @@ -99,7 +99,7 @@ static u8 crb_status(struct tpm_chip *chip) static int crb_recv(struct tpm_chip *chip, u8 *buf, size_t count) { - struct crb_priv *priv = chip->vendor.priv; + struct crb_priv *priv = dev_get_drvdata(&chip->dev); unsigned int expected; /* sanity check */ @@ -139,7 +139,7 @@ static int crb_do_acpi_start(struct tpm_chip *chip) static int crb_send(struct tpm_chip *chip, u8 *buf, size_t len) { - struct crb_priv *priv = chip->vendor.priv; + struct crb_priv *priv = dev_get_drvdata(&chip->dev); int rc = 0; if (len > ioread32(&priv->cca->cmd_size)) { @@ -163,7 +163,7 @@ static int crb_send(struct tpm_chip *chip, u8 *buf, size_t len) static void crb_cancel(struct tpm_chip *chip) { - struct crb_priv *priv = chip->vendor.priv; + struct crb_priv *priv = dev_get_drvdata(&chip->dev); iowrite32(cpu_to_le32(CRB_CANCEL_INVOKE), &priv->cca->cancel); @@ -175,7 +175,7 @@ static void crb_cancel(struct tpm_chip *chip) static bool crb_req_canceled(struct tpm_chip *chip, u8 status) { - struct crb_priv *priv = chip->vendor.priv; + struct crb_priv *priv = dev_get_drvdata(&chip->dev); u32 cancel = ioread32(&priv->cca->cancel); return (cancel & CRB_CANCEL_INVOKE) == CRB_CANCEL_INVOKE; @@ -200,7 +200,7 @@ static int crb_init(struct acpi_device *device, struct crb_priv *priv) if (IS_ERR(chip)) return PTR_ERR(chip); - chip->vendor.priv = priv; + dev_set_drvdata(&chip->dev, priv); chip->acpi_dev_handle = device->handle; chip->flags = TPM_CHIP_FLAG_TPM2; diff --git a/drivers/char/tpm/tpm_i2c_atmel.c b/drivers/char/tpm/tpm_i2c_atmel.c index dd8f0eb..f311aaf 100644 --- a/drivers/char/tpm/tpm_i2c_atmel.c +++ b/drivers/char/tpm/tpm_i2c_atmel.c @@ -51,7 +51,7 @@ 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 priv_data *priv = dev_get_drvdata(&chip->dev); struct i2c_client *client = to_i2c_client(chip->dev.parent); s32 status; @@ -70,7 +70,7 @@ 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 priv_data *priv = dev_get_drvdata(&chip->dev); struct i2c_client *client = to_i2c_client(chip->dev.parent); struct tpm_output_header *hdr = (struct tpm_output_header *)priv->buffer; @@ -111,7 +111,7 @@ static void i2c_atmel_cancel(struct tpm_chip *chip) static u8 i2c_atmel_read_status(struct tpm_chip *chip) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); struct i2c_client *client = to_i2c_client(chip->dev.parent); int rc; @@ -155,6 +155,7 @@ static int i2c_atmel_probe(struct i2c_client *client, { struct tpm_chip *chip; struct device *dev = &client->dev; + struct priv_data *priv; if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) return -ENODEV; @@ -163,9 +164,8 @@ static int i2c_atmel_probe(struct i2c_client *client, if (IS_ERR(chip)) return PTR_ERR(chip); - chip->vendor.priv = devm_kzalloc(dev, sizeof(struct priv_data), - GFP_KERNEL); - if (!chip->vendor.priv) + priv = devm_kzalloc(dev, sizeof(struct priv_data), GFP_KERNEL); + if (!priv) return -ENOMEM; /* Default timeouts */ @@ -175,6 +175,8 @@ static int i2c_atmel_probe(struct i2c_client *client, chip->vendor.timeout_d = msecs_to_jiffies(TPM_I2C_SHORT_TIMEOUT); chip->vendor.irq = 0; + dev_set_drvdata(&chip->dev, priv); + /* There is no known way to probe for this device, and all version * information seems to be read via TPM commands. Thus we rely on the * TPM startup process in the common code to detect the device. */ diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c index a43b5f3..76ac21d 100644 --- a/drivers/char/tpm/tpm_i2c_nuvoton.c +++ b/drivers/char/tpm/tpm_i2c_nuvoton.c @@ -178,7 +178,7 @@ static int i2c_nuvoton_wait_for_stat(struct tpm_chip *chip, u8 mask, u8 value, { if (chip->vendor.irq && queue) { s32 rc; - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); unsigned int cur_intrs = priv->intrs; enable_irq(chip->vendor.irq); @@ -473,7 +473,7 @@ static const struct tpm_class_ops tpm_i2c = { static irqreturn_t i2c_nuvoton_int_handler(int dummy, void *dev_id) { struct tpm_chip *chip = dev_id; - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); priv->intrs++; wake_up(&chip->vendor.read_queue); @@ -520,6 +520,7 @@ static int i2c_nuvoton_probe(struct i2c_client *client, { int rc; struct tpm_chip *chip; + struct priv_data *priv; struct device *dev = &client->dev; u32 vid = 0; @@ -534,9 +535,8 @@ static int i2c_nuvoton_probe(struct i2c_client *client, if (IS_ERR(chip)) return PTR_ERR(chip); - chip->vendor.priv = devm_kzalloc(dev, sizeof(struct priv_data), - GFP_KERNEL); - if (!chip->vendor.priv) + priv = devm_kzalloc(dev, sizeof(struct priv_data), GFP_KERNEL); + if (!priv) return -ENOMEM; init_waitqueue_head(&chip->vendor.read_queue); @@ -547,6 +547,8 @@ static int i2c_nuvoton_probe(struct i2c_client *client, chip->vendor.timeout_c = msecs_to_jiffies(TPM_I2C_SHORT_TIMEOUT); chip->vendor.timeout_d = msecs_to_jiffies(TPM_I2C_SHORT_TIMEOUT); + dev_set_drvdata(&chip->dev, priv); + /* * I2C intfcaps (interrupt capabilitieis) in the chip are hard coded to: * TPM_INTF_INT_LEVEL_LOW | TPM_INTF_DATA_AVAIL_INT @@ -611,8 +613,8 @@ static int i2c_nuvoton_probe(struct i2c_client *client, static int i2c_nuvoton_remove(struct i2c_client *client) { - struct device *dev = &(client->dev); - struct tpm_chip *chip = dev_get_drvdata(dev); + struct tpm_chip *chip = i2c_get_clientdata(client); + tpm_chip_unregister(chip); return 0; } diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c index b0a9a9e..6b22826 100644 --- a/drivers/char/tpm/tpm_ibmvtpm.c +++ b/drivers/char/tpm/tpm_ibmvtpm.c @@ -54,21 +54,6 @@ static int ibmvtpm_send_crq(struct vio_dev *vdev, u64 w1, u64 w2) } /** - * ibmvtpm_get_data - Retrieve ibm vtpm data - * @dev: device struct - * - * Return value: - * vtpm device struct - */ -static struct ibmvtpm_dev *ibmvtpm_get_data(const struct device *dev) -{ - struct tpm_chip *chip = dev_get_drvdata(dev); - if (chip) - return (struct ibmvtpm_dev *)TPM_VPRIV(chip); - return NULL; -} - -/** * tpm_ibmvtpm_recv - Receive data after send * @chip: tpm chip struct * @buf: buffer to read @@ -79,12 +64,10 @@ static struct ibmvtpm_dev *ibmvtpm_get_data(const struct device *dev) */ static int tpm_ibmvtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count) { - struct ibmvtpm_dev *ibmvtpm; + struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev); u16 len; int sig; - ibmvtpm = (struct ibmvtpm_dev *)TPM_VPRIV(chip); - if (!ibmvtpm->rtce_buf) { dev_err(ibmvtpm->dev, "ibmvtpm device is not ready\n"); return 0; @@ -122,13 +105,11 @@ static int tpm_ibmvtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count) */ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count) { - struct ibmvtpm_dev *ibmvtpm; + struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev); struct ibmvtpm_crq crq; __be64 *word = (__be64 *)&crq; int rc, sig; - ibmvtpm = (struct ibmvtpm_dev *)TPM_VPRIV(chip); - if (!ibmvtpm->rtce_buf) { dev_err(ibmvtpm->dev, "ibmvtpm device is not ready\n"); return 0; @@ -289,8 +270,8 @@ static int ibmvtpm_crq_send_init(struct ibmvtpm_dev *ibmvtpm) */ static int tpm_ibmvtpm_remove(struct vio_dev *vdev) { - struct ibmvtpm_dev *ibmvtpm = ibmvtpm_get_data(&vdev->dev); - struct tpm_chip *chip = dev_get_drvdata(ibmvtpm->dev); + struct tpm_chip *chip = dev_get_drvdata(&vdev->dev); + struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev); int rc = 0; tpm_chip_unregister(chip); @@ -327,7 +308,8 @@ static int tpm_ibmvtpm_remove(struct vio_dev *vdev) */ static unsigned long tpm_ibmvtpm_get_desired_dma(struct vio_dev *vdev) { - struct ibmvtpm_dev *ibmvtpm = ibmvtpm_get_data(&vdev->dev); + struct tpm_chip *chip = dev_get_drvdata(&vdev->dev); + struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev); /* ibmvtpm initializes at probe time, so the data we are * asking for may not be set yet. Estimate that 4K required @@ -348,7 +330,8 @@ static unsigned long tpm_ibmvtpm_get_desired_dma(struct vio_dev *vdev) */ static int tpm_ibmvtpm_suspend(struct device *dev) { - struct ibmvtpm_dev *ibmvtpm = ibmvtpm_get_data(dev); + struct tpm_chip *chip = dev_get_drvdata(dev); + struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev); struct ibmvtpm_crq crq; u64 *buf = (u64 *) &crq; int rc = 0; @@ -400,7 +383,8 @@ static int ibmvtpm_reset_crq(struct ibmvtpm_dev *ibmvtpm) */ static int tpm_ibmvtpm_resume(struct device *dev) { - struct ibmvtpm_dev *ibmvtpm = ibmvtpm_get_data(dev); + struct tpm_chip *chip = dev_get_drvdata(dev); + struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev); int rc = 0; do { @@ -643,7 +627,7 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev, crq_q->index = 0; - TPM_VPRIV(chip) = (void *)ibmvtpm; + dev_set_drvdata(&chip->dev, ibmvtpm) spin_lock_init(&ibmvtpm->rtce_lock); diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c index 07163a4..9ff0e07 100644 --- a/drivers/char/tpm/tpm_nsc.c +++ b/drivers/char/tpm/tpm_nsc.c @@ -69,20 +69,16 @@ struct tpm_nsc_priv { unsigned long base; }; -static inline struct tpm_nsc_priv *nsc_get_priv(struct tpm_chip *chip) -{ - return chip->vendor.priv; -} - /* * Wait for a certain status to appear */ static int wait_for_stat(struct tpm_chip *chip, u8 mask, u8 val, u8 * data) { + struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev); unsigned long stop; /* status immediately available check */ - *data = inb(nsc_get_priv(chip)->base + NSC_STATUS); + *data = inb(priv->base + NSC_STATUS); if ((*data & mask) == val) return 0; @@ -90,7 +86,7 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, u8 val, u8 * data) stop = jiffies + 10 * HZ; do { msleep(TPM_TIMEOUT); - *data = inb(nsc_get_priv(chip)->base + 1); + *data = inb(priv->base + 1); if ((*data & mask) == val) return 0; } @@ -101,13 +97,14 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, u8 val, u8 * data) static int nsc_wait_for_ready(struct tpm_chip *chip) { + struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev); int status; unsigned long stop; /* status immediately available check */ - status = inb(nsc_get_priv(chip)->base + NSC_STATUS); + status = inb(priv->base + NSC_STATUS); if (status & NSC_STATUS_OBF) - status = inb(nsc_get_priv(chip)->base + NSC_DATA); + status = inb(priv->base + NSC_DATA); if (status & NSC_STATUS_RDY) return 0; @@ -115,9 +112,9 @@ static int nsc_wait_for_ready(struct tpm_chip *chip) stop = jiffies + 100; do { msleep(TPM_TIMEOUT); - status = inb(nsc_get_priv(chip)->base + NSC_STATUS); + status = inb(priv->base + NSC_STATUS); if (status & NSC_STATUS_OBF) - status = inb(nsc_get_priv(chip)->base + NSC_DATA); + status = inb(priv->base + NSC_DATA); if (status & NSC_STATUS_RDY) return 0; } @@ -130,6 +127,7 @@ static int nsc_wait_for_ready(struct tpm_chip *chip) static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count) { + struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev); u8 *buffer = buf; u8 data, *p; u32 size; @@ -143,7 +141,7 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count) return -EIO; } - data = inb(nsc_get_priv(chip)->base + NSC_DATA); + data = inb(priv->base + NSC_DATA); if (data != NSC_COMMAND_NORMAL) { dev_err(&chip->dev, "not in normal mode (0x%x)\n", data); @@ -160,7 +158,7 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count) } if (data & NSC_STATUS_F0) break; - *p = inb(nsc_get_priv(chip)->base + NSC_DATA); + *p = inb(priv->base + NSC_DATA); } if ((data & NSC_STATUS_F0) == 0 && @@ -169,7 +167,7 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count) return -EIO; } - data = inb(nsc_get_priv(chip)->base + NSC_DATA); + data = inb(priv->base + NSC_DATA); if (data != NSC_COMMAND_EOC) { dev_err(&chip->dev, "expected end of command(0x%x)\n", data); @@ -187,6 +185,7 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count) static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count) { + struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev); u8 data; int i; @@ -196,7 +195,7 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count) * fix it. Not sure why this is needed, we followed the flow * chart in the manual to the letter. */ - outb(NSC_COMMAND_CANCEL, nsc_get_priv(chip)->base + NSC_COMMAND); + outb(NSC_COMMAND_CANCEL, priv->base + NSC_COMMAND); if (nsc_wait_for_ready(chip) != 0) return -EIO; @@ -206,7 +205,7 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count) return -EIO; } - outb(NSC_COMMAND_NORMAL, nsc_get_priv(chip)->base + NSC_COMMAND); + outb(NSC_COMMAND_NORMAL, priv->base + NSC_COMMAND); if (wait_for_stat(chip, NSC_STATUS_IBR, NSC_STATUS_IBR, &data) < 0) { dev_err(&chip->dev, "IBR timeout\n"); return -EIO; @@ -218,26 +217,30 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count) "IBF timeout (while writing data)\n"); return -EIO; } - outb(buf[i], nsc_get_priv(chip)->base + NSC_DATA); + outb(buf[i], priv->base + NSC_DATA); } if (wait_for_stat(chip, NSC_STATUS_IBF, 0, &data) < 0) { dev_err(&chip->dev, "IBF timeout\n"); return -EIO; } - outb(NSC_COMMAND_EOC, nsc_get_priv(chip)->base + NSC_COMMAND); + outb(NSC_COMMAND_EOC, priv->base + NSC_COMMAND); return count; } static void tpm_nsc_cancel(struct tpm_chip *chip) { - outb(NSC_COMMAND_CANCEL, nsc_get_priv(chip)->base + NSC_COMMAND); + struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev); + + outb(NSC_COMMAND_CANCEL, priv->base + NSC_COMMAND); } static u8 tpm_nsc_status(struct tpm_chip *chip) { - return inb(nsc_get_priv(chip)->base + NSC_STATUS); + struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev); + + return inb(priv->base + NSC_STATUS); } static bool tpm_nsc_req_canceled(struct tpm_chip *chip, u8 status) @@ -260,9 +263,10 @@ static struct platform_device *pdev = NULL; static void tpm_nsc_remove(struct device *dev) { struct tpm_chip *chip = dev_get_drvdata(dev); + struct tpm_nsc_priv *priv = dev_get_drvdata(&chip->dev); tpm_chip_unregister(chip); - release_region(nsc_get_priv(chip)->base, 2); + release_region(priv->base, 2); } static SIMPLE_DEV_PM_OPS(tpm_nsc_pm, tpm_pm_suspend, tpm_pm_resume); @@ -334,7 +338,7 @@ static int __init init_nsc(void) goto err_rel_reg; } - chip->vendor.priv = priv; + dev_set_drvdata(&chip->dev, priv); rc = tpm_chip_register(chip); if (rc) diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 19dac62..bf333cf 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -129,8 +129,9 @@ static inline int is_itpm(struct acpi_device *dev) * correct values in the other bits.' */ static int wait_startup(struct tpm_chip *chip, int l) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); unsigned long stop = jiffies + chip->vendor.timeout_a; + do { if (ioread8(priv->iobase + TPM_ACCESS(l)) & TPM_ACCESS_VALID) @@ -142,7 +143,7 @@ static int wait_startup(struct tpm_chip *chip, int l) static int check_locality(struct tpm_chip *chip, int l) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); if ((ioread8(priv->iobase + TPM_ACCESS(l)) & (TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID)) == @@ -154,7 +155,7 @@ static int check_locality(struct tpm_chip *chip, int l) static void release_locality(struct tpm_chip *chip, int l, int force) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); if (force || (ioread8(priv->iobase + TPM_ACCESS(l)) & (TPM_ACCESS_REQUEST_PENDING | TPM_ACCESS_VALID)) == @@ -165,7 +166,7 @@ static void release_locality(struct tpm_chip *chip, int l, int force) static int request_locality(struct tpm_chip *chip, int l) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); unsigned long stop, timeout; long rc; @@ -206,7 +207,7 @@ again: static u8 tpm_tis_status(struct tpm_chip *chip) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); return ioread8(priv->iobase + TPM_STS(chip->vendor.locality)); @@ -214,7 +215,7 @@ static u8 tpm_tis_status(struct tpm_chip *chip) static void tpm_tis_ready(struct tpm_chip *chip) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); /* this causes the current command to be aborted */ iowrite8(TPM_STS_COMMAND_READY, @@ -223,7 +224,7 @@ static void tpm_tis_ready(struct tpm_chip *chip) static int get_burstcount(struct tpm_chip *chip) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); unsigned long stop; int burstcnt; @@ -245,7 +246,7 @@ static int get_burstcount(struct tpm_chip *chip) static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); int size = 0, burstcnt; while (size < count && wait_for_tpm_stat(chip, @@ -264,7 +265,7 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count) static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); int size = 0; int expected, status; @@ -320,7 +321,7 @@ MODULE_PARM_DESC(itpm, "Force iTPM workarounds (found on some Lenovo laptops)"); */ static int tpm_tis_send_data(struct tpm_chip *chip, u8 *buf, size_t len) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); int rc, status, burstcnt; size_t count = 0; @@ -376,7 +377,7 @@ out_err: static void disable_interrupts(struct tpm_chip *chip) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); u32 intmask; intmask = @@ -396,7 +397,7 @@ static void disable_interrupts(struct tpm_chip *chip) */ static int tpm_tis_send_main(struct tpm_chip *chip, u8 *buf, size_t len) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); int rc; u32 ordinal; unsigned long dur; @@ -434,7 +435,7 @@ out_err: static int tpm_tis_send(struct tpm_chip *chip, u8 *buf, size_t len) { int rc, irq; - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); if (!chip->vendor.irq || priv->irq_tested) return tpm_tis_send_main(chip, buf, len); @@ -466,7 +467,7 @@ static const struct tis_vendor_timeout_override vendor_timeout_overrides[] = { static bool tpm_tis_update_timeouts(struct tpm_chip *chip, unsigned long *timeout_cap) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); int i; u32 did_vid; @@ -490,7 +491,7 @@ static bool tpm_tis_update_timeouts(struct tpm_chip *chip, */ static int probe_itpm(struct tpm_chip *chip) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); int rc = 0; u8 cmd_getticks[] = { 0x00, 0xc1, 0x00, 0x00, 0x00, 0x0a, @@ -532,7 +533,7 @@ out: static bool tpm_tis_req_canceled(struct tpm_chip *chip, u8 status) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); switch (priv->manufacturer_id) { case TPM_VID_WINBOND: @@ -559,7 +560,7 @@ static const struct tpm_class_ops tpm_tis = { static irqreturn_t tis_int_handler(int dummy, void *dev_id) { struct tpm_chip *chip = dev_id; - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); u32 interrupt; int i; @@ -569,7 +570,7 @@ static irqreturn_t tis_int_handler(int dummy, void *dev_id) if (interrupt == 0) return IRQ_NONE; - ((struct priv_data *)chip->vendor.priv)->irq_tested = true; + priv->irq_tested = true; if (interrupt & TPM_INTF_DATA_AVAIL_INT) wake_up_interruptible(&chip->vendor.read_queue); if (interrupt & TPM_INTF_LOCALITY_CHANGE_INT) @@ -596,7 +597,7 @@ static irqreturn_t tis_int_handler(int dummy, void *dev_id) static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask, int flags, int irq) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); u8 original_int_vec; if (devm_request_irq(&chip->dev, irq, tis_int_handler, flags, @@ -649,7 +650,7 @@ static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask, */ static void tpm_tis_probe_irq(struct tpm_chip *chip, u32 intmask) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); u8 original_int_vec; int i; @@ -673,7 +674,7 @@ MODULE_PARM_DESC(interrupts, "Enable interrupts"); static void tpm_tis_remove(struct tpm_chip *chip) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); if (chip->flags & TPM_CHIP_FLAG_TPM2) tpm2_shutdown(chip, TPM2_SU_CLEAR); @@ -702,7 +703,6 @@ static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info, if (IS_ERR(chip)) return PTR_ERR(chip); - chip->vendor.priv = priv; #ifdef CONFIG_ACPI chip->acpi_dev_handle = acpi_dev_handle; #endif @@ -717,6 +717,8 @@ static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info, chip->vendor.timeout_c = TIS_TIMEOUT_C_MAX; chip->vendor.timeout_d = TIS_TIMEOUT_D_MAX; + dev_set_drvdata(&chip->dev, priv); + if (wait_startup(chip, 0) != 0) { rc = -ENODEV; goto out_err; @@ -841,7 +843,7 @@ out_err: #ifdef CONFIG_PM_SLEEP static void tpm_tis_reenable_interrupts(struct tpm_chip *chip) { - struct priv_data *priv = chip->vendor.priv; + struct priv_data *priv = dev_get_drvdata(&chip->dev); u32 intmask; /* reenable interrupts that device may have lost or diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c index 3111f27..efd7d99 100644 --- a/drivers/char/tpm/xen-tpmfront.c +++ b/drivers/char/tpm/xen-tpmfront.c @@ -39,7 +39,7 @@ enum status_bits { static u8 vtpm_status(struct tpm_chip *chip) { - struct tpm_private *priv = TPM_VPRIV(chip); + struct tpm_private *priv = dev_get_drvdata(&chip->dev); switch (priv->shr->state) { case VTPM_STATE_IDLE: return VTPM_STATUS_IDLE | VTPM_STATUS_CANCELED; @@ -60,7 +60,7 @@ static bool vtpm_req_canceled(struct tpm_chip *chip, u8 status) static void vtpm_cancel(struct tpm_chip *chip) { - struct tpm_private *priv = TPM_VPRIV(chip); + struct tpm_private *priv = dev_get_drvdata(&chip->dev); priv->shr->state = VTPM_STATE_CANCEL; wmb(); notify_remote_via_evtchn(priv->evtchn); @@ -73,7 +73,7 @@ static unsigned int shr_data_offset(struct vtpm_shared_page *shr) static int vtpm_send(struct tpm_chip *chip, u8 *buf, size_t count) { - struct tpm_private *priv = TPM_VPRIV(chip); + struct tpm_private *priv = dev_get_drvdata(&chip->dev); struct vtpm_shared_page *shr = priv->shr; unsigned int offset = shr_data_offset(shr); @@ -115,7 +115,7 @@ static int vtpm_send(struct tpm_chip *chip, u8 *buf, size_t count) static int vtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count) { - struct tpm_private *priv = TPM_VPRIV(chip); + struct tpm_private *priv = dev_get_drvdata(&chip->dev); struct vtpm_shared_page *shr = priv->shr; unsigned int offset = shr_data_offset(shr); size_t length = shr->length; @@ -182,7 +182,7 @@ static int setup_chip(struct device *dev, struct tpm_private *priv) init_waitqueue_head(&chip->vendor.read_queue); priv->chip = chip; - TPM_VPRIV(chip) = priv; + dev_set_drvdata(&chip->dev, priv); return 0; } @@ -318,10 +318,10 @@ static int tpmfront_probe(struct xenbus_device *dev, static int tpmfront_remove(struct xenbus_device *dev) { struct tpm_chip *chip = dev_get_drvdata(&dev->dev); - struct tpm_private *priv = TPM_VPRIV(chip); + struct tpm_private *priv = dev_get_drvdata(&chip->dev); tpm_chip_unregister(chip); ring_free(priv); - TPM_VPRIV(chip) = NULL; + dev_set_drvdata(&chip->dev, NULL); return 0; }

[tpmdd-devel,1/6] tpm: Remove useless priv field in struct tpm_vendor_specific

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Patch