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3 Commits

Author SHA1 Message Date
Stefan Herbrechtsmeier 6d0e34bf4e mmc: sdhci: Distinguish between base clock and maximum peripheral frequency 
The sdhci controller assumes that the base clock frequency is fully supported by
the peripheral and doesn't support hardware limitations. The Linux kernel
distinguishes between base clock (max_clk) of the host controller and maximum
frequency (f_max) of the card interface. Use the same differentiation and allow
the platform to constrain the peripheral interface.

Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
 2017-01-23 15:37:42 +09:00
Jaehoon Chung 2cb5d67c1a mmc: sdhci: use the generic error number 
Use the generic error number instead of meaningless value.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
 2016-10-10 15:23:33 +09:00
Kuo-Jung Su adebb98ba1 mmc: add Faraday FTSDC021 SDHCI controller support 
Faraday FTSDC021 is a controller which is compliant with
SDHCI v3.0, SDIO v2.0 and MMC v4.3.

However this driver is only verified with SD memory cards.

Signed-off-by: Kuo-Jung Su <dantesu@faraday-tech.com>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
CC: Andy Fleming <afleming@gmail.com>
 2013-12-08 14:23:05 +02:00