From: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
some messages take 4 bytes, but only fill 3 bytes....
this patch makes sure that whatever we send to the SCU is zeroed first
Signed-off-by: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
---
drivers/platform/x86/intel_scu_ipc.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index 1b0d0d5..b903420 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -162,6 +162,8 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
mutex_lock(&ipclock);
+ memset(cbuf, 0, sizeof(cbuf));
+
if (ipcdev.pdev == NULL) {
mutex_unlock(&ipclock);
return -ENODEV;
--
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