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| author | Helge Deller <deller@gmx.de> | 2023-08-10 19:12:16 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2023-08-10 19:12:16 +0200 |
| commit | a4c59c9adc5f6b2a6b0115e3c4dc1e5127c2a01b (patch) | |
| tree | 8b5f6d8a87b1e1cd6fc3e5b2ebe0c6ec46e33d6c | |
| parent | 388d5bdba3fd791f734cc6687309fe59fb3343bb (diff) | |
| download | lwn-a4c59c9adc5f6b2a6b0115e3c4dc1e5127c2a01b.tar.gz lwn-a4c59c9adc5f6b2a6b0115e3c4dc1e5127c2a01b.zip | |
parisc: dma: Add prototype for pcxl_dma_start
Signed-off-by: Helge Deller <deller@gmx.de>
| -rw-r--r-- | arch/parisc/include/asm/dma.h | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/pci-dma.c | 2 | ||||
| -rw-r--r-- | arch/parisc/mm/init.c | 4 |
3 files changed, 3 insertions, 5 deletions
diff --git a/arch/parisc/include/asm/dma.h b/arch/parisc/include/asm/dma.h index 9e8c101de902..582fb5d1a5d5 100644 --- a/arch/parisc/include/asm/dma.h +++ b/arch/parisc/include/asm/dma.h @@ -14,6 +14,8 @@ #define dma_outb outb #define dma_inb inb +extern unsigned long pcxl_dma_start; + /* ** DMA_CHUNK_SIZE is used by the SCSI mid-layer to break up ** (or rather not merge) DMAs into manageable chunks. diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index 3f6b507970eb..131d596e018f 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -39,7 +39,7 @@ static struct proc_dir_entry * proc_gsc_root __read_mostly = NULL; static unsigned long pcxl_used_bytes __read_mostly; static unsigned long pcxl_used_pages __read_mostly; -extern unsigned long pcxl_dma_start; /* Start of pcxl dma mapping area */ +unsigned long pcxl_dma_start __ro_after_init; /* pcxl dma mapping area start */ static DEFINE_SPINLOCK(pcxl_res_lock); static char *pcxl_res_map; static int pcxl_res_hint; diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 389941c7f209..a088c243edea 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -523,10 +523,6 @@ void mark_rodata_ro(void) void *parisc_vmalloc_start __ro_after_init; EXPORT_SYMBOL(parisc_vmalloc_start); -#ifdef CONFIG_PA11 -unsigned long pcxl_dma_start __ro_after_init; -#endif - void __init mem_init(void) { /* Do sanity checks on IPC (compat) structures */ |