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Subject[PATCH 3/3] tpm_crb: use __le64 annotated variable for response buffer address
Date
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>
---
drivers/char/tpm/tpm_crb.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index acfcdc6f31af..29fecdea0b2d 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -489,6 +489,7 @@ 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;
@@ -554,8 +555,8 @@ 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));

--
2.14.3
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