diff options
Diffstat (limited to 'drivers/parisc/ccio-dma.c')
| -rw-r--r-- | drivers/parisc/ccio-dma.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index 614823617b8b..701a7d6a74d5 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -609,14 +609,13 @@ ccio_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba, ** PCX-T'? Don't know. (eg C110 or similar K-class) ** ** See PDC_MODEL/option 0/SW_CAP word for "Non-coherent IO-PDIR bit". - ** Hopefully we can patch (NOP) these out at boot time somehow. ** ** "Since PCX-U employs an offset hash that is incompatible with ** the real mode coherence index generation of U2, the PDIR entry ** must be flushed to memory to retain coherence." */ - asm volatile("fdc %%r0(%0)" : : "r" (pdir_ptr)); - asm volatile("sync"); + asm_io_fdc(pdir_ptr); + asm_io_sync(); } /** @@ -682,17 +681,14 @@ ccio_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt) ** FIXME: PCX_W platforms don't need FDC/SYNC. (eg C360) ** PCX-U/U+ do. (eg C200/C240) ** See PDC_MODEL/option 0/SW_CAP for "Non-coherent IO-PDIR bit". - ** - ** Hopefully someone figures out how to patch (NOP) the - ** FDC/SYNC out at boot time. */ - asm volatile("fdc %%r0(%0)" : : "r" (pdir_ptr[7])); + asm_io_fdc(pdir_ptr); iovp += IOVP_SIZE; byte_cnt -= IOVP_SIZE; } - asm volatile("sync"); + asm_io_sync(); ccio_clear_io_tlb(ioc, CCIO_IOVP(iova), saved_byte_cnt); } |