diff options
| author | Jason Gunthorpe <jgunthorpe@obsidianresearch.com> | 2016-01-07 17:36:25 -0700 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2016-02-10 04:11:43 +0200 |
| commit | 1e3ed59d6200eb31b554dbdcfdde62d1e3d91f0c (patch) | |
| tree | 3825151b8dd86a58a67f05736a507dad312bf93d /drivers/char/tpm/tpm_crb.c | |
| parent | 00194826e6be333083ba9ddbd6e83fb423206f8a (diff) | |
tpm_crb: Drop le32_to_cpu(ioread32(..))
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 <jgunthorpe@obsidianresearch.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Acked-by: Peter Huewe <peterhuewe@gmx.de>
Diffstat (limited to 'drivers/char/tpm/tpm_crb.c')
| -rw-r--r-- | drivers/char/tpm/tpm_crb.c | 22 |
1 files 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; |