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102cb4742c
Refresh patches on all 4.4 supported platforms. 077-0005-bgmac-stop-clearing-DMA-receive-control-register-rig.patch removed as now upstream. Compile & run tested: ar71xx - Archer C7 v2 Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
53 lines
1.7 KiB
Diff
53 lines
1.7 KiB
Diff
From 2c7f1bd9127a1a49ee25d9c2b2ce17b11c7fb05f Mon Sep 17 00:00:00 2001
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From: John Youn <John.Youn@synopsys.com>
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Date: Fri, 5 Feb 2016 17:08:59 -0800
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Subject: usb: dwc3: Update maximum_speed for SuperSpeedPlus
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If the maximum_speed is not set, set it to a known value, either
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SuperSpeed or SuperSpeedPlus based on the type of controller we are
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using. If we are on DWC_usb31 controller, check the PHY interface to see
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if it is capable of SuperSpeedPlus.
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Also this check is moved after dwc3_core_init() so that we can check
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dwc->revision.
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Signed-off-by: John Youn <johnyoun@synopsys.com>
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Signed-off-by: Felipe Balbi <balbi@kernel.org>
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---
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drivers/usb/dwc3/core.c | 17 +++++++++++++----
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1 file changed, 13 insertions(+), 4 deletions(-)
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--- a/drivers/usb/dwc3/core.c
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+++ b/drivers/usb/dwc3/core.c
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@@ -962,10 +962,6 @@ static int dwc3_probe(struct platform_de
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fladj = pdata->fladj_value;
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}
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- /* default to superspeed if no maximum_speed passed */
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- if (dwc->maximum_speed == USB_SPEED_UNKNOWN)
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- dwc->maximum_speed = USB_SPEED_SUPER;
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-
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dwc->lpm_nyet_threshold = lpm_nyet_threshold;
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dwc->tx_de_emphasis = tx_de_emphasis;
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@@ -1016,6 +1012,19 @@ static int dwc3_probe(struct platform_de
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goto err1;
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}
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+ /* default to superspeed if no maximum_speed passed */
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+ if (dwc->maximum_speed == USB_SPEED_UNKNOWN) {
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+ dwc->maximum_speed = USB_SPEED_SUPER;
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+
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+ /*
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+ * default to superspeed plus if we are capable.
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+ */
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+ if (dwc3_is_usb31(dwc) &&
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+ (DWC3_GHWPARAMS3_SSPHY_IFC(dwc->hwparams.hwparams3) ==
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+ DWC3_GHWPARAMS3_SSPHY_IFC_GEN2))
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+ dwc->maximum_speed = USB_SPEED_SUPER_PLUS;
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+ }
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+
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/* Adjust Frame Length */
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dwc3_frame_length_adjustment(dwc, fladj);
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