diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-07-05 18:47:00 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-07-16 11:37:21 +1000 |
| commit | 2bf1071a8d50928a4ae366bb3108833166c2b70c (patch) | |
| tree | ebffef07f7ebbb9bb1ba231c4cb8ff00cc6fd795 /arch/powerpc/sysdev | |
| parent | ce397d215ccd07b8ae3f71db689aedb85d56ab40 (diff) | |
| download | lwn-2bf1071a8d50928a4ae366bb3108833166c2b70c.tar.gz lwn-2bf1071a8d50928a4ae366bb3108833166c2b70c.zip | |
powerpc/64s: Remove POWER9 DD1 support
POWER9 DD1 was never a product. It is no longer supported by upstream
firmware, and it is not effectively supported in Linux due to lack of
testing.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>
[mpe: Remove arch_make_huge_pte() entirely]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/sysdev')
| -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) * The FW told us to call it. This happens for some * interrupt sources that need additional HW whacking * beyond the ESB manipulation. For example LPC interrupts - * on P9 DD1.0 need a latch to be clared in the LPC bridge + * on P9 DD1.0 needed a latch to be clared in the LPC bridge * itself. The Firmware will take care of it. */ if (WARN_ON_ONCE(!xive_ops->eoi)) @@ -337,9 +337,9 @@ void xive_do_source_eoi(u32 hw_irq, struct xive_irq_data *xd) * This allows us to then do a re-trigger if Q was set * rather than synthesizing an interrupt in software * - * For LSIs, using the HW EOI cycle works around a problem - * on P9 DD1 PHBs where the other ESB accesses don't work - * properly. + * For LSIs the HW EOI cycle is used rather than PQ bits, + * as they are automatically re-triggred in HW when still + * pending. */ if (xd->flags & XIVE_IRQ_FLAG_LSI) xive_esb_read(xd, XIVE_ESB_LOAD_EOI); |