summaryrefslogtreecommitdiff
path: root/arch/powerpc/sysdev/xive/common.c
diff options
context:
space:
mode:
authorCédric Le Goater <clg@kaod.org>2020-12-10 18:14:47 +0100
committerMichael Ellerman <mpe@ellerman.id.au>2020-12-11 09:53:10 +1100
commitcf58b746665d0177b86d42d18e60985fa1fdb909 (patch)
treebdf99c572b6e5689c7979b7ab5392ca2890c7690 /arch/powerpc/sysdev/xive/common.c
parentb5277d18c65e31ce51f6733ebdca3985a962fab5 (diff)
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.c14
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" },
};