From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomas Winkler Subject: [PATCH v2 3/4] tpm/tpm_crb: open code the crb_init into acpi_add Date: Mon, 12 Sep 2016 11:55:00 +0300 Message-ID: <1473670501-29281-4-git-send-email-tomas.winkler@intel.com> References: <1473670501-29281-1-git-send-email-tomas.winkler@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1473670501-29281-1-git-send-email-tomas.winkler-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tpmdd-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Jason Gunthorpe , Jarkko Sakkinen List-Id: tpmdd-devel@lists.sourceforge.net This is preparation step for implementing tpm crb runtime pm. We need to have tpm chip allocated and populated before we access the runtime handlers. Signed-off-by: Tomas Winkler --- V2: new in the series drivers/char/tpm/tpm_crb.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 69e305f49310..524f34b5371e 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -258,21 +258,6 @@ static const struct tpm_class_ops tpm_crb = { .req_complete_val = CRB_DRV_STS_COMPLETE, }; -static int crb_init(struct acpi_device *device, struct crb_priv *priv) -{ - struct tpm_chip *chip; - - chip = tpmm_chip_alloc(&device->dev, &tpm_crb); - if (IS_ERR(chip)) - return PTR_ERR(chip); - - dev_set_drvdata(&chip->dev, priv); - chip->acpi_dev_handle = device->handle; - chip->flags = TPM_CHIP_FLAG_TPM2; - - return tpm_chip_register(chip); -} - static int crb_check_resource(struct acpi_resource *ares, void *data) { struct resource *io_res = data; @@ -394,6 +379,7 @@ static int crb_acpi_add(struct acpi_device *device) { struct acpi_table_tpm2 *buf; struct crb_priv *priv; + struct tpm_chip *chip; struct device *dev = &device->dev; acpi_status status; u32 sm; @@ -431,11 +417,19 @@ static int crb_acpi_add(struct acpi_device *device) if (rc) return rc; + chip = tpmm_chip_alloc(dev, &tpm_crb); + if (IS_ERR(chip)) + return PTR_ERR(chip); + + dev_set_drvdata(&chip->dev, priv); + chip->acpi_dev_handle = device->handle; + chip->flags = TPM_CHIP_FLAG_TPM2; + rc = crb_cmd_ready(dev, priv); if (rc) return rc; - rc = crb_init(device, priv); + rc = tpm_chip_register(chip); if (rc) crb_go_idle(dev, priv); -- 2.7.4 ------------------------------------------------------------------------------