diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2018-03-06 11:34:15 +0200 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-03-23 10:18:06 +0200 |
| commit | 09b17f321c15879833bbe072cf28e3f0625d3fb7 (patch) | |
| tree | 335c67c9e6da089c6c3e3839cf5525816333d3fe | |
| parent | 62c09e12bbf887d01397323888d5fe89a215a7e2 (diff) | |
| download | linux-09b17f321c15879833bbe072cf28e3f0625d3fb7.tar.bz2 | |
tpm_crb: use __le64 annotated variable for response buffer address
use __le64 annotated variable for response buffer address as this is
read in little endian format form the register.
This suppresses sparse warning
drivers/char/tpm/tpm_crb.c:558:18: warning: cast to restricted __le64
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
| -rw-r--r-- | drivers/char/tpm/tpm_crb.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 497edd9848cd..7f78482cd157 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -471,6 +471,7 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv, u32 pa_high, pa_low; u64 cmd_pa; u32 cmd_size; + __le64 __rsp_pa; u64 rsp_pa; u32 rsp_size; int ret; @@ -536,8 +537,8 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv, goto out; } - memcpy_fromio(&rsp_pa, &priv->regs_t->ctrl_rsp_pa, 8); - rsp_pa = le64_to_cpu(rsp_pa); + memcpy_fromio(&__rsp_pa, &priv->regs_t->ctrl_rsp_pa, 8); + rsp_pa = le64_to_cpu(__rsp_pa); rsp_size = crb_fixup_cmd_size(dev, &io_res, rsp_pa, ioread32(&priv->regs_t->ctrl_rsp_size)); |