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77e97abf12
Also removes random module and switches to new bcm2711 thermal driver. Boot tested on RPi 4B v1.1 4G. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
30 lines
1.0 KiB
Diff
30 lines
1.0 KiB
Diff
From a71750c83a6f1f2f7c22864bbb4e62af5e70c214 Mon Sep 17 00:00:00 2001
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From: Tim Gover <tim.gover@raspberrypi.org>
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Date: Fri, 22 Mar 2019 09:47:14 +0000
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Subject: [PATCH] usb: xhci: Disable the XHCI 5 second timeout
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If the VL805 EEPROM has not been programmed then boot will hang for five
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seconds. The timeout seems to be arbitrary and is an unecessary
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delay on the first boot. Remove the timeout.
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This is common code and probably can't be upstreamed unless the timeout
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can be configurable somehow or perhaps the XHCI driver can be skipped
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on the first boot.
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---
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drivers/usb/host/xhci.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/drivers/usb/host/xhci.c
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+++ b/drivers/usb/host/xhci.c
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@@ -196,8 +196,9 @@ int xhci_reset(struct xhci_hcd *xhci)
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if (xhci->quirks & XHCI_INTEL_HOST)
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udelay(1000);
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+ // Hack: reduce handshake timeout from 10s 0.5s due to unprogrammed vl805
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ret = xhci_handshake(&xhci->op_regs->command,
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- CMD_RESET, 0, 10 * 1000 * 1000);
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+ CMD_RESET, 0, 500 * 1000);
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if (ret)
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return ret;
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