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/*
 * Copyright (c) 2016, Fuzhou Rockchip Electronics Co., Ltd
 * Author: Lin Huang <hl@rock-chips.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */
#ifndef __SOC_ROCKCHIP_SIP_H
#define __SOC_ROCKCHIP_SIP_H

#define ROCKCHIP_SIP_DRAM_FREQ			0x82000008
#define ROCKCHIP_SIP_CONFIG_DRAM_INIT		0x00
#define ROCKCHIP_SIP_CONFIG_DRAM_SET_RATE	0x01
#define ROCKCHIP_SIP_CONFIG_DRAM_ROUND_RATE	0x02
#define ROCKCHIP_SIP_CONFIG_DRAM_SET_AT_SR	0x03
#define ROCKCHIP_SIP_CONFIG_DRAM_GET_BW		0x04
#define ROCKCHIP_SIP_CONFIG_DRAM_GET_RATE	0x05
#define ROCKCHIP_SIP_CONFIG_DRAM_CLR_IRQ	0x06
#define ROCKCHIP_SIP_CONFIG_DRAM_SET_PARAM	0x07

#endif
alid. With the Radix MMU, an attempt at executing from such a PTE will take a fault with bit 35 of SRR1 set "SRR1_ISI_N_OR_G". It is thus incorrect to treat all such faults as errors. We should pass them to handle_mm_fault() for autonuma to deal with. The case of pages that are really not executable is handled by the existing test for VM_EXEC further down. That leaves us with catching the kernel attempts at executing user pages. We can catch that earlier, even before we do find_vma. It is never valid on powerpc for the kernel to take an exec fault to begin with. So fold that test with the existing test for the kernel faulting on kernel addresses to bail out early. Fixes: 1d18ad026844 ("powerpc/mm: Detect instruction fetch denied and report") Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Acked-by: Balbir Singh <bsingharora@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'sound/soc')