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Since commit317aeb83c9("scsi: lpfc: Add blk_io_poll support for latency improvment"), the lpfc driver depends on CPUFREQ. Without it, builds fail with drivers/scsi/lpfc/lpfc_sli.c: In function 'lpfc_init_idle_stat_hb': drivers/scsi/lpfc/lpfc_sli.c:7329:26: error: implicit declaration of function 'get_cpu_idle_time' Add the missing dependency. Link: https://lore.kernel.org/r/20200722023027.36866-1-linux@roeck-us.net Fixes:317aeb83c9("scsi: lpfc: Add blk_io_poll support for latency improvment") Cc: Dick Kennedy <dick.kennedy@broadcom.com> Cc: James Smart <jsmart2021@gmail.com> Reviewed-by: James Smart <james.smart@broadcom.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.