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authorZach Brown <zach.brown@ni.com>2016-11-28 13:16:39 -0600
committerUlf Hansson <ulf.hansson@linaro.org>2016-12-05 10:31:19 +0100
commit3f23df72dc351e9ffe5eb577fcc38876dacba305 (patch)
tree15e8c19ff44db0c2cb2acb2ea84ce66bd59e376a /drivers/cpuidle
parent42b06496407c03f4c89e19c5b9d4973446d2f1af (diff)
downloadlinux-3f23df72dc351e9ffe5eb577fcc38876dacba305.tar.gz
mmc: sdhci-pci: Use ACPI to get max frequency for Intel NI byt sdio
On NI 9037 boards the max SDIO frequency is limited by trace lengths
and other layout choices. The max SDIO frequency is stored in an ACPI
table.

The driver reads the ACPI entry MXFQ during sdio_probe_slot and sets the
f_max field of the host.

Signed-off-by: Nathan Sullivan <nathan.sullivan@ni.com>
Reviewed-by: Jaeden Amero <jaeden.amero@ni.com>
Reviewed-by: Josh Cartwright <joshc@ni.com>
Signed-off-by: Zach Brown <zach.brown@ni.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/cpuidle')
0 files changed, 0 insertions, 0 deletions