From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932165AbbLQSYK (ORCPT ); Thu, 17 Dec 2015 13:24:10 -0500 Received: from quartz.orcorp.ca ([184.70.90.242]:39175 "EHLO quartz.orcorp.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751552AbbLQSXe (ORCPT ); Thu, 17 Dec 2015 13:23:34 -0500 From: Jason Gunthorpe To: Jarkko Sakkinen , tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Cc: Martin Wilck , Peter Huewe , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Subject: [PATCH v3 6/7] tpm_crb: Drop le32_to_cpu(ioread32(..)) Date: Thu, 17 Dec 2015 11:23:19 -0700 Message-Id: <1450376600-6970-7-git-send-email-jgunthorpe@obsidianresearch.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1450376600-6970-1-git-send-email-jgunthorpe@obsidianresearch.com> References: <1450376600-6970-1-git-send-email-jgunthorpe@obsidianresearch.com> X-Broken-Reverse-DNS: no host name found for IP address 10.0.0.160 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ioread32 and readl are defined to read from PCI style memory, ie little endian and return the result in host order. On platforms where a swap is required ioread32/readl do the swap internally (eg see ppc). Signed-off-by: Jason Gunthorpe Tested-by: Jarkko Sakkinen --- drivers/char/tpm/tpm_crb.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 8dd70696ebe8..0237006dc4d8 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -89,7 +89,7 @@ static u8 crb_status(struct tpm_chip *chip) struct crb_priv *priv = chip->vendor.priv; u8 sts = 0; - if ((le32_to_cpu(ioread32(&priv->cca->start)) & CRB_START_INVOKE) != + if ((ioread32(&priv->cca->start) & CRB_START_INVOKE) != CRB_START_INVOKE) sts |= CRB_STS_COMPLETE; @@ -105,7 +105,7 @@ static int crb_recv(struct tpm_chip *chip, u8 *buf, size_t count) if (count < 6) return -EIO; - if (le32_to_cpu(ioread32(&priv->cca->sts)) & CRB_CA_STS_ERROR) + if (ioread32(&priv->cca->sts) & CRB_CA_STS_ERROR) return -EIO; memcpy_fromio(buf, priv->rsp, 6); @@ -141,11 +141,11 @@ static int crb_send(struct tpm_chip *chip, u8 *buf, size_t len) struct crb_priv *priv = chip->vendor.priv; int rc = 0; - if (len > le32_to_cpu(ioread32(&priv->cca->cmd_size))) { + if (len > ioread32(&priv->cca->cmd_size)) { dev_err(&chip->dev, "invalid command count value %x %zx\n", (unsigned int) len, - (size_t) le32_to_cpu(ioread32(&priv->cca->cmd_size))); + (size_t) ioread32(&priv->cca->cmd_size)); return -E2BIG; } @@ -181,7 +181,7 @@ 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; - u32 cancel = le32_to_cpu(ioread32(&priv->cca->cancel)); + u32 cancel = ioread32(&priv->cca->cancel); return (cancel & CRB_CANCEL_INVOKE) == CRB_CANCEL_INVOKE; } @@ -251,10 +251,10 @@ static int crb_acpi_add(struct acpi_device *device) return -ENOMEM; } - pa = ((u64) le32_to_cpu(ioread32(&priv->cca->cmd_pa_high)) << 32) | - (u64) le32_to_cpu(ioread32(&priv->cca->cmd_pa_low)); - priv->cmd = devm_ioremap_nocache(dev, pa, - ioread32(&priv->cca->cmd_size)); + pa = ((u64)ioread32(&priv->cca->cmd_pa_high) << 32) | + (u64)ioread32(&priv->cca->cmd_pa_low); + priv->cmd = + devm_ioremap_nocache(dev, pa, ioread32(&priv->cca->cmd_size)); if (!priv->cmd) { dev_err(dev, "ioremap of the command buffer failed\n"); return -ENOMEM; @@ -262,8 +262,8 @@ static int crb_acpi_add(struct acpi_device *device) memcpy_fromio(&pa, &priv->cca->rsp_pa, 8); pa = le64_to_cpu(pa); - priv->rsp = devm_ioremap_nocache(dev, pa, - ioread32(&priv->cca->rsp_size)); + priv->rsp = + devm_ioremap_nocache(dev, pa, ioread32(&priv->cca->rsp_size)); if (!priv->rsp) { dev_err(dev, "ioremap of the response buffer failed\n"); return -ENOMEM; -- 2.1.4