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usb: dwc3: Add frame length adjustment quirk

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Add adjust_frame_length_quirk for writing to fladj register
which adjusts (micro)frame length to value provided by
"snps,quirk-frame-length-adjustment" property thus avoiding
USB 2.0 devices to time-out over a longer run

Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Nikhil Badola
2015-09-04 10:15:58 +05:30
committed by Felipe Balbi
parent 3737c54418
commit db2be4e9e3
3 changed files with 41 additions and 0 deletions
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2
drivers/usb/dwc3/platform_data.h
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@@ -46,5 +46,7 @@ struct dwc3_platform_data {
unsigned tx_de_emphasis_quirk:1;
unsigned tx_de_emphasis:2;
u32 fladj_value;
const char *hsphy_interface;
};