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5ca8a4a03a
Backport patch that fixes memory disclosure in packet padding. The downstream driver supports statistics, so when a packet cannot be padded the statistics of dropped packets are incremented. The other patches do not introduce any functional changes. Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> Link: https://github.com/openwrt/openwrt/pull/16563 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
86 lines
3.2 KiB
Diff
86 lines
3.2 KiB
Diff
From 5af43708d21c30e2f418cb25d337779c56d235f6 Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Tue, 9 Jul 2024 00:20:54 +0200
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Subject: [PATCH] usb: dwc2: add support for other Lantiq SoCs
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The size of the internal RAM of the DesignWare USB controller changed
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between the different Lantiq SoCs. We have the following sizes:
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Amazon + Danube: 8 KByte
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Amazon SE + arx100: 2 KByte
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xrx200 + xrx300: 2.5 KByte
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For Danube SoC we do not provide the params and let the driver decide
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to use sane defaults, for the Amazon SE and arx100 we use small fifos
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and for the xrx200 and xrx300 SCs a little bit bigger periodic fifo.
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The auto detection of max_transfer_size and max_packet_count should
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work, so remove it.
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This patch is included in OpenWrt for many years.
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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Acked-by: Minas Harutyunyan <hminas@synopsys.com>
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Link: https://lore.kernel.org/r/20240708222054.2727789-1-hauke@hauke-m.de
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/usb/dwc2/params.c | 30 +++++++++++++++++++++++++-----
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1 file changed, 25 insertions(+), 5 deletions(-)
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--- a/drivers/usb/dwc2/params.c
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+++ b/drivers/usb/dwc2/params.c
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@@ -132,7 +132,15 @@ static void dwc2_set_rk_params(struct dw
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p->hird_threshold_en = false;
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}
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-static void dwc2_set_ltq_params(struct dwc2_hsotg *hsotg)
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+static void dwc2_set_ltq_danube_params(struct dwc2_hsotg *hsotg)
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+{
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+ struct dwc2_core_params *p = &hsotg->params;
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+
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+ p->otg_caps.hnp_support = false;
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+ p->otg_caps.srp_support = false;
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+}
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+
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+static void dwc2_set_ltq_ase_params(struct dwc2_hsotg *hsotg)
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{
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struct dwc2_core_params *p = &hsotg->params;
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@@ -141,12 +149,21 @@ static void dwc2_set_ltq_params(struct d
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p->host_rx_fifo_size = 288;
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p->host_nperio_tx_fifo_size = 128;
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p->host_perio_tx_fifo_size = 96;
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- p->max_transfer_size = 65535;
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- p->max_packet_count = 511;
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p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 <<
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GAHBCFG_HBSTLEN_SHIFT;
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}
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+static void dwc2_set_ltq_xrx200_params(struct dwc2_hsotg *hsotg)
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+{
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+ struct dwc2_core_params *p = &hsotg->params;
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+
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+ p->otg_caps.hnp_support = false;
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+ p->otg_caps.srp_support = false;
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+ p->host_rx_fifo_size = 288;
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+ p->host_nperio_tx_fifo_size = 128;
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+ p->host_perio_tx_fifo_size = 136;
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+}
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+
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static void dwc2_set_amlogic_params(struct dwc2_hsotg *hsotg)
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{
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struct dwc2_core_params *p = &hsotg->params;
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@@ -277,8 +294,11 @@ const struct of_device_id dwc2_of_match_
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{ .compatible = "ingenic,x1830-otg", .data = dwc2_set_x1600_params },
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{ .compatible = "ingenic,x2000-otg", .data = dwc2_set_x2000_params },
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{ .compatible = "rockchip,rk3066-usb", .data = dwc2_set_rk_params },
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- { .compatible = "lantiq,arx100-usb", .data = dwc2_set_ltq_params },
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- { .compatible = "lantiq,xrx200-usb", .data = dwc2_set_ltq_params },
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+ { .compatible = "lantiq,danube-usb", .data = &dwc2_set_ltq_danube_params },
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+ { .compatible = "lantiq,ase-usb", .data = &dwc2_set_ltq_ase_params },
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+ { .compatible = "lantiq,arx100-usb", .data = &dwc2_set_ltq_ase_params },
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+ { .compatible = "lantiq,xrx200-usb", .data = &dwc2_set_ltq_xrx200_params },
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+ { .compatible = "lantiq,xrx300-usb", .data = &dwc2_set_ltq_xrx200_params },
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{ .compatible = "snps,dwc2" },
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{ .compatible = "samsung,s3c6400-hsotg",
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.data = dwc2_set_s3c6400_params },
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