diff options
| author | Cédric Le Goater <clg@kaod.org> | 2021-11-05 13:26:29 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-11-25 03:25:30 +0300 |
| commit | 412877dfae3dc12733bc711ccbd3d02338803865 (patch) | |
| tree | c83f5d06acc906d64af1ed6e69a14e4b58972be8 /arch/powerpc/sysdev | |
| parent | 756c52c632f5c2b054bb54b1ea9177329e4b8ce5 (diff) | |
| download | linux-412877dfae3dc12733bc711ccbd3d02338803865.tar.xz | |
powerpc/xive: Introduce xive_core_debugfs_create()
and fix some compile issues when !CONFIG_DEBUG_FS.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[mpe: Add empty stub to fix !CONFIG_DEBUG_FS build]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211105102636.1016378-5-clg@kaod.org
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index b74b8f18b80c..6c9092db74d0 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -227,6 +227,7 @@ static void xive_esb_write(struct xive_irq_data *xd, u32 offset, u64 data) out_be64(xd->eoi_mmio + offset, data); } +#if defined(CONFIG_XMON) || defined(CONFIG_DEBUG_FS) static void xive_irq_data_dump(struct xive_irq_data *xd, char *buffer, size_t size) { u64 val = xive_esb_read(xd, XIVE_ESB_GET); @@ -239,6 +240,7 @@ static void xive_irq_data_dump(struct xive_irq_data *xd, char *buffer, size_t si val & XIVE_ESB_VAL_Q ? 'Q' : '-', xd->trig_page, xd->eoi_page); } +#endif #ifdef CONFIG_XMON static notrace void xive_dump_eq(const char *name, struct xive_q *q) @@ -1700,6 +1702,7 @@ static int __init xive_off(char *arg) } __setup("xive=off", xive_off); +#ifdef CONFIG_DEBUG_FS static void xive_debug_show_cpu(struct seq_file *m, int cpu) { struct xive_cpu *xc = per_cpu(xive_cpu, cpu); @@ -1778,10 +1781,19 @@ static int xive_core_debug_show(struct seq_file *m, void *private) } DEFINE_SHOW_ATTRIBUTE(xive_core_debug); +static void xive_core_debugfs_create(void) +{ + debugfs_create_file("xive", 0400, arch_debugfs_dir, + NULL, &xive_core_debug_fops); +} +#else +static inline void xive_core_debugfs_create(void) { } +#endif /* CONFIG_DEBUG_FS */ + int xive_core_debug_init(void) { - if (xive_enabled()) - debugfs_create_file("xive", 0400, arch_debugfs_dir, - NULL, &xive_core_debug_fops); + if (xive_enabled() && IS_ENABLED(CONFIG_DEBUG_FS)) + xive_core_debugfs_create(); + return 0; } |