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powerpc/powernv: Fix endian issues with sensor code

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One OPAL call and one device tree property needed byte swapping.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard 2014-03-28 16:34:10 +11:00 committed by Benjamin Herrenschmidt
parent bb4398e1de
commit 9000c17dc0
2 changed files with 4 additions and 3 deletions
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3
arch/powerpc/include/asm/opal.h
View File

@ -874,8 +874,7 @@ int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer,
size_t length);
int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer,
size_t length);
int64_t opal_sensor_read(uint32_t sensor_hndl, int token,
uint32_t *sensor_data);
int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data);
/* Internal functions */
extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data);

4
arch/powerpc/platforms/powernv/opal-sensor.c
View File

@ -33,6 +33,7 @@ int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data)
{
int ret, token;
struct opal_msg msg;
__be32 data;
token = opal_async_get_token_interruptible();
if (token < 0) {
@ -42,7 +43,7 @@ int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data)
}
mutex_lock(&opal_sensor_mutex);
ret = opal_sensor_read(sensor_hndl, token, sensor_data);
ret = opal_sensor_read(sensor_hndl, token, &data);
if (ret != OPAL_ASYNC_COMPLETION)
goto out_token;
@ -53,6 +54,7 @@ int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data)
goto out_token;
}
*sensor_data = be32_to_cpu(data);
ret = be64_to_cpu(msg.params[1]);
out_token: