diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index 584e33c37708..e8ea250aeda3 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -147,7 +147,6 @@ static inline int busy_loop(struct intel_scu_ipc_dev *scu) usleep_range(50, 100); } while (time_before(jiffies, end)); - dev_err(&scu->dev, "IPC timed out"); return -ETIMEDOUT; } @@ -156,10 +155,8 @@ static inline int ipc_wait_for_interrupt(struct intel_scu_ipc_dev *scu) { int status; - if (!wait_for_completion_timeout(&scu->cmd_complete, IPC_TIMEOUT)) { - dev_err(&scu->dev, "IPC timed out\n"); + if (!wait_for_completion_timeout(&scu->cmd_complete, IPC_TIMEOUT)) return -ETIMEDOUT; - } status = ipc_read_status(scu); if (status & IPC_STATUS_ERR) @@ -331,6 +328,7 @@ EXPORT_SYMBOL(intel_scu_ipc_update_register); int intel_scu_ipc_simple_command(int cmd, int sub) { struct intel_scu_ipc_dev *scu; + u32 cmdval; int err; mutex_lock(&ipclock); @@ -339,9 +337,12 @@ int intel_scu_ipc_simple_command(int cmd, int sub) return -ENODEV; } scu = ipcdev; - ipc_command(scu, sub << 12 | cmd); + cmdval = sub << 12 | cmd; + ipc_command(scu, cmdval); err = intel_scu_ipc_check_status(scu); mutex_unlock(&ipclock); + if (err) + dev_err(&scu->dev, "IPC command %#x failed with %d\n", cmdval, err); return err; } EXPORT_SYMBOL(intel_scu_ipc_simple_command); @@ -362,6 +363,7 @@ int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen, u32 *out, int outlen) { struct intel_scu_ipc_dev *scu; + u32 cmdval; int i, err; mutex_lock(&ipclock); @@ -374,7 +376,8 @@ int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen, for (i = 0; i < inlen; i++) ipc_data_writel(scu, *in++, 4 * i); - ipc_command(scu, (inlen << 16) | (sub << 12) | cmd); + cmdval = (inlen << 16) | (sub << 12) | cmd; + ipc_command(scu, cmdval); err = intel_scu_ipc_check_status(scu); if (!err) { @@ -383,6 +386,8 @@ int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen, } mutex_unlock(&ipclock); + if (err) + dev_err(&scu->dev, "IPC command %#x failed with %d\n", cmdval, err); return err; } EXPORT_SYMBOL(intel_scu_ipc_command);