mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-18 08:35:08 +08:00
e2c1b0ff38
Using IRQCHIP_DECLARE lets fw_devlink know that it should not wait for
these interrupt controllers to be populated as struct devices. Without
this change, fw_devlink=on will make the consumers of these interrupt
controllers wait for the struct device to be added and thereby block the
consumers' probes forever. Converting to IRQCHIP_DECLARE addresses boot
issues on imx25 with fw_devlink=on that were reported by Martin.
This also removes a lot of boilerplate code.
Fixes: e590474768 ("driver core: Set fw_devlink=on by default")
Reported-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Tested-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Copyright 2012 Sascha Hauer, Pengutronix
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/of_address.h>
|
|
#include <linux/of_irq.h>
|
|
#include <linux/of_platform.h>
|
|
#include <linux/mm.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/time.h>
|
|
|
|
#include "common.h"
|
|
#include "hardware.h"
|
|
#include "mx27.h"
|
|
|
|
/* MX27 memory map definition */
|
|
static struct map_desc imx27_io_desc[] __initdata = {
|
|
/*
|
|
* this fixed mapping covers:
|
|
* - AIPI1
|
|
* - AIPI2
|
|
* - AITC
|
|
* - ROM Patch
|
|
* - and some reserved space
|
|
*/
|
|
imx_map_entry(MX27, AIPI, MT_DEVICE),
|
|
/*
|
|
* this fixed mapping covers:
|
|
* - CSI
|
|
* - ATA
|
|
*/
|
|
imx_map_entry(MX27, SAHB1, MT_DEVICE),
|
|
/*
|
|
* this fixed mapping covers:
|
|
* - EMI
|
|
*/
|
|
imx_map_entry(MX27, X_MEMC, MT_DEVICE),
|
|
};
|
|
|
|
/*
|
|
* Initialize the memory map. It is called during the
|
|
* system startup to create static physical to virtual
|
|
* memory map for the IO modules.
|
|
*/
|
|
static void __init mx27_map_io(void)
|
|
{
|
|
iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
|
|
}
|
|
|
|
static void __init imx27_init_early(void)
|
|
{
|
|
mxc_set_cpu_type(MXC_CPU_MX27);
|
|
}
|
|
|
|
static const char * const imx27_dt_board_compat[] __initconst = {
|
|
"fsl,imx27",
|
|
NULL
|
|
};
|
|
|
|
DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)")
|
|
.map_io = mx27_map_io,
|
|
.init_early = imx27_init_early,
|
|
.init_late = imx27_pm_init,
|
|
.dt_compat = imx27_dt_board_compat,
|
|
MACHINE_END
|