diff options
| author | Anton Blanchard <anton@samba.org> | 2014-03-28 16:34:10 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-04-09 12:52:49 +1000 |
| commit | 9000c17dc0f9c910267d2661225c9d33a227b27e (patch) | |
| tree | 66b0baf3e320446da2c335c53f6dc9be75d52e15 | |
| parent | bb4398e1de739a13e06589fc04cbb2267ba59800 (diff) | |
| download | rt-linux-9000c17dc0f9c910267d2661225c9d33a227b27e.tar.gz | |
powerpc/powernv: Fix endian issues with sensor code
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>
| -rw-r--r-- | arch/powerpc/include/asm/opal.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-sensor.c | 4 |
2 files changed, 4 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index fc73661c20fa38..a13ab397eddac4 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -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); diff --git a/arch/powerpc/platforms/powernv/opal-sensor.c b/arch/powerpc/platforms/powernv/opal-sensor.c index 7503e298c4c379..10271ad1fac451 100644 --- a/arch/powerpc/platforms/powernv/opal-sensor.c +++ b/arch/powerpc/platforms/powernv/opal-sensor.c @@ -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: |