diff options
Diffstat (limited to 'drivers/staging/mei/interface.c')
| -rw-r--r-- | drivers/staging/mei/interface.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/staging/mei/interface.c b/drivers/staging/mei/interface.c index eb5df7fc226..484be56a659 100644 --- a/drivers/staging/mei/interface.c +++ b/drivers/staging/mei/interface.c @@ -1,7 +1,7 @@ /* * * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2011, Intel Corporation. + * Copyright (c) 2003-2012, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -215,26 +215,17 @@ int mei_count_full_read_slots(struct mei_device *dev) * @buffer: message buffer will be written * @buffer_length: message size will be read */ -void mei_read_slots(struct mei_device *dev, - unsigned char *buffer, unsigned long buffer_length) +void mei_read_slots(struct mei_device *dev, unsigned char *buffer, + unsigned long buffer_length) { - u32 i = 0; - unsigned char temp_buf[sizeof(u32)]; + u32 *reg_buf = (u32 *)buffer; - while (buffer_length >= sizeof(u32)) { - ((u32 *) buffer)[i] = mei_mecbrw_read(dev); - - dev_dbg(&dev->pdev->dev, - "buffer[%d]= %d\n", - i, ((u32 *) buffer)[i]); - - i++; - buffer_length -= sizeof(u32); - } + for (; buffer_length >= sizeof(u32); buffer_length -= sizeof(u32)) + *reg_buf++ = mei_mecbrw_read(dev); if (buffer_length > 0) { - *((u32 *) &temp_buf) = mei_mecbrw_read(dev); - memcpy(&buffer[i * 4], temp_buf, buffer_length); + u32 reg = mei_mecbrw_read(dev); + memcpy(reg_buf, ®, buffer_length); } dev->host_hw_state |= H_IG; |