mirror of
https://codeberg.org/libreboot/lbmk.git
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Leah Rowe
af88a066d0
we have the "default" tree, then the "nvme" tree which adds nvme support. the "xhci" tree adds xhci patches, *and* nvme patches. riku suggested that i rename it accordingly, and his advice was quite correct, indeed wise. this will reduce confusion for contributors, including *myself*. Signed-off-by: Leah Rowe <leah@libreboot.org>
34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
From 97f71a34c011ad9d37b96c02eb7483fe253c6025 Mon Sep 17 00:00:00 2001
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From: Patrick Rudolph <patrick.rudolph@9elements.com>
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Date: Mon, 7 Dec 2020 08:41:23 +0100
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Subject: [PATCH 16/26] usbtrans: Set default maximum packet size
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Set the maximum packet size to 512 for SuperSpeed devices.
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Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
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---
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grub-core/bus/usb/usbtrans.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/grub-core/bus/usb/usbtrans.c b/grub-core/bus/usb/usbtrans.c
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index c5680b33a..c1080bb33 100644
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--- a/grub-core/bus/usb/usbtrans.c
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+++ b/grub-core/bus/usb/usbtrans.c
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@@ -128,8 +128,12 @@ grub_usb_control_msg (grub_usb_device_t dev,
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setupdata_addr = grub_dma_get_phys (setupdata_chunk);
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/* Determine the maximum packet size. */
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- if (dev->descdev.maxsize0)
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+ if (dev->descdev.maxsize0 && dev->speed != GRUB_USB_SPEED_SUPER)
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max = dev->descdev.maxsize0;
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+ else if (dev->descdev.maxsize0 && dev->speed == GRUB_USB_SPEED_SUPER)
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+ max = 1UL << dev->descdev.maxsize0;
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+ else if (dev->speed == GRUB_USB_SPEED_SUPER)
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+ max = 512;
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else
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max = 64;
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--
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2.39.5
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