diff options
Diffstat (limited to 'arch/powerpc/sysdev/xive/common.c')
-rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 3459015092fa..4758173df426 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c | |||
@@ -319,7 +319,7 @@ void xive_do_source_eoi(u32 hw_irq, struct xive_irq_data *xd) | |||
319 | * The FW told us to call it. This happens for some | 319 | * The FW told us to call it. This happens for some |
320 | * interrupt sources that need additional HW whacking | 320 | * interrupt sources that need additional HW whacking |
321 | * beyond the ESB manipulation. For example LPC interrupts | 321 | * beyond the ESB manipulation. For example LPC interrupts |
322 | * on P9 DD1.0 need a latch to be clared in the LPC bridge | 322 | * on P9 DD1.0 needed a latch to be clared in the LPC bridge |
323 | * itself. The Firmware will take care of it. | 323 | * itself. The Firmware will take care of it. |
324 | */ | 324 | */ |
325 | if (WARN_ON_ONCE(!xive_ops->eoi)) | 325 | if (WARN_ON_ONCE(!xive_ops->eoi)) |
@@ -337,9 +337,9 @@ void xive_do_source_eoi(u32 hw_irq, struct xive_irq_data *xd) | |||
337 | * This allows us to then do a re-trigger if Q was set | 337 | * This allows us to then do a re-trigger if Q was set |
338 | * rather than synthesizing an interrupt in software | 338 | * rather than synthesizing an interrupt in software |
339 | * | 339 | * |
340 | * For LSIs, using the HW EOI cycle works around a problem | 340 | * For LSIs the HW EOI cycle is used rather than PQ bits, |
341 | * on P9 DD1 PHBs where the other ESB accesses don't work | 341 | * as they are automatically re-triggred in HW when still |
342 | * properly. | 342 | * pending. |
343 | */ | 343 | */ |
344 | if (xd->flags & XIVE_IRQ_FLAG_LSI) | 344 | if (xd->flags & XIVE_IRQ_FLAG_LSI) |
345 | xive_esb_read(xd, XIVE_ESB_LOAD_EOI); | 345 | xive_esb_read(xd, XIVE_ESB_LOAD_EOI); |