cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

mcbsp.c (1164B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * linux/arch/arm/mach-omap2/mcbsp.c
      4 *
      5 * Copyright (C) 2008 Instituto Nokia de Tecnologia
      6 * Contact: Eduardo Valentin <eduardo.valentin@indt.org.br>
      7 *
      8 * Multichannel mode not supported.
      9 */
     10#include <linux/module.h>
     11#include <linux/init.h>
     12#include <linux/clk.h>
     13#include <linux/err.h>
     14#include <linux/io.h>
     15#include <linux/of.h>
     16#include <linux/platform_device.h>
     17#include <linux/slab.h>
     18#include <linux/platform_data/asoc-ti-mcbsp.h>
     19#include <linux/pm_runtime.h>
     20
     21#include <linux/omap-dma.h>
     22
     23#include "soc.h"
     24#include "omap_device.h"
     25#include "clock.h"
     26
     27/*
     28 * FIXME: Find a mechanism to enable/disable runtime the McBSP ICLK autoidle.
     29 * Sidetone needs non-gated ICLK and sidetone autoidle is broken.
     30 */
     31#include "cm3xxx.h"
     32#include "cm-regbits-34xx.h"
     33
     34static int omap3_mcbsp_force_ick_on(struct clk *clk, bool force_on)
     35{
     36	if (!clk)
     37		return 0;
     38
     39	if (force_on)
     40		return omap2_clk_deny_idle(clk);
     41	else
     42		return omap2_clk_allow_idle(clk);
     43}
     44
     45void __init omap3_mcbsp_init_pdata_callback(
     46					struct omap_mcbsp_platform_data *pdata)
     47{
     48	if (!pdata)
     49		return;
     50
     51	pdata->force_ick_on = omap3_mcbsp_force_ick_on;
     52}