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parisc: Move proc_mckinley_root and proc_runway_root to sba_iommu

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Clean up the procfs root entries for gsc, runway, and mckinley busses.

Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2023-08-10 19:56:19 +02:00
parent a4c59c9adc
commit 547259580d
3 changed files with 7 additions and 49 deletions
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2
arch/parisc/kernel/pci-dma.c
View File

@ -381,7 +381,7 @@ pcxl_dma_init(void)
pcxl_res_map = (char *)__get_free_pages(GFP_KERNEL,
get_order(pcxl_res_size));
memset(pcxl_res_map, 0, pcxl_res_size);
proc_gsc_root = proc_mkdir("gsc", NULL);
proc_gsc_root = proc_mkdir("bus/gsc", NULL);
if (!proc_gsc_root)
printk(KERN_WARNING
"pcxl_dma_init: Unable to create gsc /proc dir entry\n");

48
arch/parisc/kernel/setup.c
View File

@ -40,11 +40,6 @@
static char __initdata command_line[COMMAND_LINE_SIZE];
/* Intended for ccio/sba/cpu statistics under /proc/bus/{runway|gsc} */
struct proc_dir_entry * proc_runway_root __read_mostly = NULL;
struct proc_dir_entry * proc_gsc_root __read_mostly = NULL;
struct proc_dir_entry * proc_mckinley_root __read_mostly = NULL;
static void __init setup_cmdline(char **cmdline_p)
{
extern unsigned int boot_args[];
@ -196,48 +191,6 @@ const struct seq_operations cpuinfo_op = {
.show = show_cpuinfo
};
static void __init parisc_proc_mkdir(void)
{
/*
** Can't call proc_mkdir() until after proc_root_init() has been
** called by start_kernel(). In other words, this code can't
** live in arch/.../setup.c because start_parisc() calls
** start_kernel().
*/
switch (boot_cpu_data.cpu_type) {
case pcxl:
case pcxl2:
if (NULL == proc_gsc_root)
{
proc_gsc_root = proc_mkdir("bus/gsc", NULL);
}
break;
case pcxt_:
case pcxu:
case pcxu_:
case pcxw:
case pcxw_:
case pcxw2:
if (NULL == proc_runway_root)
{
proc_runway_root = proc_mkdir("bus/runway", NULL);
}
break;
case mako:
case mako2:
if (NULL == proc_mckinley_root)
{
proc_mckinley_root = proc_mkdir("bus/mckinley", NULL);
}
break;
default:
/* FIXME: this was added to prevent the compiler
* complaining about missing pcx, pcxs and pcxt
* I'm assuming they have neither gsc nor runway */
break;
}
}
static struct resource central_bus = {
.name = "Central Bus",
.start = F_EXTEND(0xfff80000),
@ -294,7 +247,6 @@ static int __init parisc_init(void)
{
u32 osid = (OS_ID_LINUX << 16);
parisc_proc_mkdir();
parisc_init_resources();
do_device_inventory(); /* probe for hardware */

6
drivers/parisc/sba_iommu.c
View File

@ -121,6 +121,8 @@ module_param(sba_reserve_agpgart, int, 0444);
MODULE_PARM_DESC(sba_reserve_agpgart, "Reserve half of IO pdir as AGPGART");
#endif
struct proc_dir_entry *proc_runway_root __ro_after_init;
struct proc_dir_entry *proc_mckinley_root __ro_after_init;
/************************************
** SBA register read and write support
@ -1968,11 +1970,15 @@ static int __init sba_driver_callback(struct parisc_device *dev)
#ifdef CONFIG_PROC_FS
switch (dev->id.hversion) {
case PLUTO_MCKINLEY_PORT:
if (!proc_mckinley_root)
proc_mckinley_root = proc_mkdir("bus/mckinley", NULL);
root = proc_mckinley_root;
break;
case ASTRO_RUNWAY_PORT:
case IKE_MERCED_PORT:
default:
if (!proc_runway_root)
proc_runway_root = proc_mkdir("bus/runway", NULL);
root = proc_runway_root;
break;
}