diff options
Diffstat (limited to 'drivers/platform/x86/intel_scu_ipcutil.c')
| -rw-r--r-- | drivers/platform/x86/intel_scu_ipcutil.c | 32 |
1 files changed, 8 insertions, 24 deletions
diff --git a/drivers/platform/x86/intel_scu_ipcutil.c b/drivers/platform/x86/intel_scu_ipcutil.c index 2d0f9136ea9a..02bc5a6343c3 100644 --- a/drivers/platform/x86/intel_scu_ipcutil.c +++ b/drivers/platform/x86/intel_scu_ipcutil.c @@ -26,13 +26,10 @@ static int major; -#define MAX_FW_SIZE 264192 - /* ioctl commnds */ #define INTE_SCU_IPC_REGISTER_READ 0 #define INTE_SCU_IPC_REGISTER_WRITE 1 #define INTE_SCU_IPC_REGISTER_UPDATE 2 -#define INTE_SCU_IPC_FW_UPDATE 0xA2 struct scu_ipc_data { u32 count; /* No. of registers */ @@ -88,27 +85,14 @@ static long scu_ipc_ioctl(struct file *fp, unsigned int cmd, if (!capable(CAP_SYS_RAWIO)) return -EPERM; - if (cmd == INTE_SCU_IPC_FW_UPDATE) { - u8 *fwbuf = kmalloc(MAX_FW_SIZE, GFP_KERNEL); - if (fwbuf == NULL) - return -ENOMEM; - if (copy_from_user(fwbuf, (u8 *)arg, MAX_FW_SIZE)) { - kfree(fwbuf); - return -EFAULT; - } - ret = intel_scu_ipc_fw_update(fwbuf, MAX_FW_SIZE); - kfree(fwbuf); - return ret; - } else { - if (copy_from_user(&data, argp, sizeof(struct scu_ipc_data))) - return -EFAULT; - ret = scu_reg_access(cmd, &data); - if (ret < 0) - return ret; - if (copy_to_user(argp, &data, sizeof(struct scu_ipc_data))) - return -EFAULT; - return 0; - } + if (copy_from_user(&data, argp, sizeof(struct scu_ipc_data))) + return -EFAULT; + ret = scu_reg_access(cmd, &data); + if (ret < 0) + return ret; + if (copy_to_user(argp, &data, sizeof(struct scu_ipc_data))) + return -EFAULT; + return 0; } static const struct file_operations scu_ipc_fops = { |