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| author | Peter Chen <peter.chen@freescale.com> | 2014-01-10 09:51:27 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-14 03:55:19 +0400 |
| commit | ed8f8318d2ef3e5f9e4ddf79349508c116b68d7f (patch) | |
| tree | fc8309d0c9eb301472c321c3eb339e49ccc72f65 /fs/romfs | |
| parent | feffe09f510c475df082546815f9e4a573f6a233 (diff) | |
| download | linux-ed8f8318d2ef3e5f9e4ddf79349508c116b68d7f.tar.xz | |
usb: chipidea: add freescale imx28 special write register method
According to Freescale imx28 Errata, "ENGR119653 USB: ARM to USB
register error issue", All USB register write operations must
use the ARM SWP instruction. So, we implement special hw_write
and hw_test_and_clear for imx28.
Discussion for it at below:
http://marc.info/?l=linux-usb&m=137996395529294&w=2
This patch is needed for stable tree 3.11+.
Cc: stable@vger.kernel.org
Cc: robert.hodaszi@digi.com
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/romfs')
0 files changed, 0 insertions, 0 deletions