tree 4324614f7891ff66eea931f146fec64769b9bb1e
parent a36274e0184193e393fb82957925c3981a6b0477
author David Vrabel <david.vrabel@csr.com> 1283436908 +0000
committer Chris Ball <cjb@laptop.org> 1287839471 +0800

mmc: USB SD Host Controller (USHC) driver

Add a driver for USB SD Host Controller devices.  These devices are
Cypress Astoria chips with firmware compliant with issue 2 of CSR's USHC
specification.

[cjb: adapt to block layer deprecation of max_{hw,phys}_segs]
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Chris Ball <cjb@laptop.org>