diff options
| author | Cédric Le Goater <clg@kaod.org> | 2020-12-10 18:14:47 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-10 23:53:10 +0100 |
| commit | cf58b746665d0177b86d42d18e60985fa1fdb909 (patch) | |
| tree | bdf99c572b6e5689c7979b7ab5392ca2890c7690 /arch/powerpc/sysdev/xive/common.c | |
| parent | powerpc/xive: Remove P9 DD1 flag XIVE_IRQ_FLAG_MASK_FW (diff) | |
| download | linux-cf58b746665d0177b86d42d18e60985fa1fdb909.tar.xz linux-cf58b746665d0177b86d42d18e60985fa1fdb909.zip | |
powerpc/xive: Remove P9 DD1 flag XIVE_IRQ_FLAG_EOI_FW
This flag was used to support the P9 DD1 and we have stopped
supporting this CPU when DD2 came out. See skiboot commit:
https://github.com/open-power/skiboot/commit/0b0d15e3c170
Also, remove eoi handler which is now unused.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201210171450.1933725-11-clg@kaod.org
Diffstat (limited to 'arch/powerpc/sysdev/xive/common.c')
| -rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 9165d4834b2d..3e91ec4bb49e 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -354,18 +354,7 @@ static void xive_do_source_eoi(u32 hw_irq, struct xive_irq_data *xd) /* If the XIVE supports the new "store EOI facility, use it */ if (xd->flags & XIVE_IRQ_FLAG_STORE_EOI) xive_esb_write(xd, XIVE_ESB_STORE_EOI, 0); - else if (hw_irq && xd->flags & XIVE_IRQ_FLAG_EOI_FW) { - /* - * 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 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)) - return; - xive_ops->eoi(hw_irq); - } else { + else { u8 eoi_val; /* @@ -1267,7 +1256,6 @@ static const struct { } xive_irq_flags[] = { { XIVE_IRQ_FLAG_STORE_EOI, "STORE_EOI" }, { XIVE_IRQ_FLAG_LSI, "LSI" }, - { XIVE_IRQ_FLAG_EOI_FW, "EOI_FW" }, { XIVE_IRQ_FLAG_H_INT_ESB, "H_INT_ESB" }, { XIVE_IRQ_FLAG_NO_EOI, "NO_EOI" }, }; |