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94c4c1331a
Update default kernel version to 6.6 for the Raspberry Pi devices. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
From 30f4b4a4b24c6bf12d6d43dedfba78b4fb80869b Mon Sep 17 00:00:00 2001
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From: Dom Cobley <popcornmix@gmail.com>
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Date: Thu, 7 Dec 2023 17:30:53 +0000
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Subject: [PATCH 0786/1085] dwc_otg: Avoid the use of align_buf for short
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packets
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Recent kernels (from 6.5) fail to boot on Pi0-3.
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This has been tracked down to the call to:
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ret = usb_get_std_status(hdev, USB_RECIP_DEVICE, 0, &hubstatus);
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returning garbage in hubstatus (it gets the uninitialised contents of
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a kmalloc buffer that is not overwritten as expected).
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As we don't have strong evidence that this code path has ever worked,
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and it is causing a clear problem currently, lets disable it to
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allow wider use of newer kernels.
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Signed-off-by: Dom Cobley <popcornmix@gmail.com>
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---
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drivers/usb/host/dwc_otg/dwc_otg_hcd.c | 2 ++
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1 file changed, 2 insertions(+)
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--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
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+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
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@@ -1339,8 +1339,10 @@ static void assign_and_init_hc(dwc_otg_h
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* buffer.
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*/
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wLength = ((uint16_t *)urb->setup_packet)[3];
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+ #if 0
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if (hc->ep_is_in && wLength < 4)
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ptr = hc->xfer_buff;
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+ #endif
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hc->data_pid_start = qtd->data_toggle;
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break;
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