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authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2022-04-27 09:08:53 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-04-27 21:36:47 +0300
commit7eac3bd38d18cd3317756649921b8264ddfee692 (patch)
tree07007493d1fad2dff1b31fcee21cca8859afffd9 /drivers/gpio/gpio-bd71815.c
parent39c184a6a9a7a99950b321d55fe713175cf1d404 (diff)
downloadlinux-7eac3bd38d18cd3317756649921b8264ddfee692.tar.xz
intel_idle: Fix SPR C6 optimization
The Sapphire Rapids (SPR) C6 optimization was added to the end of the 'spr_idle_state_table_update()' function. However, the function has a 'return' which may happen before the optimization has a chance to run. And this may prevent the optimization from happening. This is an unlikely scenario, but possible if user boots with, say, the 'intel_idle.preferred_cstates=6' kernel boot option. This patch fixes the issue by eliminating the problematic 'return' statement. Fixes: 3a9cf77b60dc ("intel_idle: add core C6 optimization for SPR") Suggested-by: Jan Beulich <jbeulich@suse.com> Reported-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> [ rjw: Minor changelog edits ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/gpio/gpio-bd71815.c')
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