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The logic inside pnv_pec_phb_offset() will be useful in the next patch to determine the stack that should contain a PHB4 device. Move the function to pnv_phb4.c and make it public since there's no pnv_phb4_pec.h header. While we're at it, add 'stack_index' as a parameter and make the function return 'phb-id' directly. And rename it to pnv_phb4_pec_get_phb_id() to be even clearer about the function intent. Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220110143346.455901-3-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>