forked from Minki/linux
6cfce3ef80
Alder Lake has 14 status registers that are memory mapped. These registers show the status of the low power mode requirements. The registers are latched on every C10 entry or exit and on every s0ix.y entry/exit. Accessing these registers is useful for debugging any low power related activities. Thus, add debugfs entry to access low power mode status registers. Cc: Chao Qin <chao.qin@intel.com> Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: David Box <david.e.box@intel.com> Tested-by: You-Sheng Yang <vicamo.yang@canonical.com> Acked-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com> Link: https://lore.kernel.org/r/d27ec98589a5aaa569bbce0e937ed03779fc0a22.1629091915.git.gayatri.kammela@intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com> |
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