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3 Commits

Author SHA1 Message Date
Wei WANG ab4e8f8b7b mfd: rtsx: Add clock divider hook 
Add callback function conv_clk_and_div_n to convert between SSC clock
and its divider N.
For rtl8411, the formula to calculate SSC clock divider N is different
with the other card reader models.

Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2013-01-27 01:30:20 +01:00
Wei WANG d817ac4e18 mfd: rtsx: Add output voltage switch hook 
Different card reader has different method to switch output voltage,
add this callback to let the card reader implement its individual switch
function.
This is needed as rtl8411 has a specific switch output voltage procedure.

Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2013-01-27 01:29:39 +01:00
Wei WANG 67d16a4686 drivers/mfd: Add realtek pcie card reader driver 
Realtek PCI-E card reader driver adapts requests from upper-level
sdmmc/memstick layer to the real physical card reader.

Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2012-11-15 17:30:14 -08:00