1. 25 1月, 2017 1 次提交
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      ACPI / osl: Remove acpi_get_table_with_size()/early_acpi_os_unmap_memory() users · 6b11d1d6
      Lv Zheng 提交于
      This patch removes the users of the deprectated APIs:
       acpi_get_table_with_size()
       early_acpi_os_unmap_memory()
      The following APIs should be used instead of:
       acpi_get_table()
       acpi_put_table()
      
      The deprecated APIs are invented to be a replacement of acpi_get_table()
      during the early stage so that the early mapped pointer will not be stored
      in ACPICA core and thus the late stage acpi_get_table() won't return a
      wrong pointer. The mapping size is returned just because it is required by
      early_acpi_os_unmap_memory() to unmap the pointer during early stage.
      
      But as the mapping size equals to the acpi_table_header.length
      (see acpi_tb_init_table_descriptor() and acpi_tb_validate_table()), when
      such a convenient result is returned, driver code will start to use it
      instead of accessing acpi_table_header to obtain the length.
      
      Thus this patch cleans up the drivers by replacing returned table size with
      acpi_table_header.length, and should be a no-op.
      Reported-by: NDan Williams <dan.j.williams@intel.com>
      Signed-off-by: NLv Zheng <lv.zheng@intel.com>
      Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
      6b11d1d6