/* * Copyright (C) 2014 Marvell * Author: Gregory CLEMENT * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. */ #include #include #include #include #include #include #include "xhci-mvebu.h" #define USB3_MAX_WINDOWS 4 #define USB3_WIN_CTRL(w) (0x0 + ((w) * 8)) #define USB3_WIN_BASE(w) (0x4 + ((w) * 8)) static void xhci_mvebu_mbus_config(void __iomem *base, const struct mbus_dram_target_info *dram) { int win; /* Clear all existing windows */ for (win = 0; win < USB3_MAX_WINDOWS; win++) { writel(0, base + USB3_WIN_CTRL(win)); writel(0, base + USB3_WIN_BASE(win)); } /* Program each DRAM CS in a seperate window */ for (win = 0; win < dram->num_cs; win++) { const struct mbus_dram_window *cs = dram->cs + win; writel(((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) | (dram->mbus_dram_target_id << 4) | 1, base + USB3_WIN_CTRL(win)); writel((cs->base & 0xffff0000), base + USB3_WIN_BASE(win)); } } int xhci_mvebu_mbus_init_quirk(struct usb_hcd *hcd) { struct device *dev = hcd->self.controller; struct platform_device *pdev = to_platform_device(dev); struct resource *res; void __iomem *base; const struct mbus_dram_target_info *dram; res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (!res) return -ENODEV; /* * We don't use devm_ioremap() because this mapping should * only exists for the duration of this probe function. */ base = ioremap(res->start, resource_size(res)); if (!base) return -ENODEV; dram = mv_mbus_dram_info(); xhci_mvebu_mbus_config(base, dram); /* * This memory area was only needed to configure the MBus * windows, and is therefore no longer useful. */ iounmap(base); return 0; } vswitch/vport-netdev.c?id=047487241ff59374fded8c477f21453681f5995c'>commitdiff
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authorLiam R. Howlett <Liam.Howlett@Oracle.com>2017-01-17 10:59:03 -0500
committerDavid S. Miller <davem@davemloft.net>2017-01-30 14:27:54 -0800
commit047487241ff59374fded8c477f21453681f5995c (patch)
tree1c2616bd373ce5ea28aac2a53e32f5b5834901ce /net/openvswitch/vport-netdev.c
parent7a7dc961a28b965a0d0303c2e989df17b411708b (diff)
sparc64: Handle PIO & MEM non-resumable errors.
User processes trying to access an invalid memory address via PIO will receive a SIGBUS signal instead of causing a panic. Memory errors will receive a SIGKILL since a SIGBUS may result in a coredump which may attempt to repeat the faulting access. Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/openvswitch/vport-netdev.c')