summaryrefslogtreecommitdiff
path: root/arch/powerpc/sysdev/xive/common.c
diff options
context:
space:
mode:
authorCédric Le Goater <clg@kaod.org>2020-12-10 18:14:45 +0100
committerMichael Ellerman <mpe@ellerman.id.au>2020-12-11 09:53:10 +1100
commit4cc0e36df2c0a41fd38645ddde08d2bfba699b7a (patch)
tree88dc2f3072e11d897f10531ecafa8ce883dd4b02 /arch/powerpc/sysdev/xive/common.c
parent7b3b3de3b04ecb7393cdfaa30a3468dd47b750cf (diff)
powerpc/xive: Remove P9 DD1 flag XIVE_IRQ_FLAG_SHIFT_BUG
This flag was used to support the PHB4 LSIs on P9 DD1 and we have stopped supporting this CPU when DD2 came out. See skiboot commit: https://github.com/open-power/skiboot/commit/0b0d15e3c170 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/20201210171450.1933725-9-clg@kaod.org
Diffstat (limited to 'arch/powerpc/sysdev/xive/common.c')
-rw-r--r--arch/powerpc/sysdev/xive/common.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index 61a5f08798e9..8499d0b24c1d 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -200,10 +200,6 @@ static notrace u8 xive_esb_read(struct xive_irq_data *xd, u32 offset)
if (offset == XIVE_ESB_SET_PQ_10 && xd->flags & XIVE_IRQ_FLAG_STORE_EOI)
offset |= XIVE_ESB_LD_ST_MO;
- /* Handle HW errata */
- if (xd->flags & XIVE_IRQ_FLAG_SHIFT_BUG)
- offset |= offset << 4;
-
if ((xd->flags & XIVE_IRQ_FLAG_H_INT_ESB) && xive_ops->esb_rw)
val = xive_ops->esb_rw(xd->hw_irq, offset, 0, 0);
else
@@ -214,10 +210,6 @@ static notrace u8 xive_esb_read(struct xive_irq_data *xd, u32 offset)
static void xive_esb_write(struct xive_irq_data *xd, u32 offset, u64 data)
{
- /* Handle HW errata */
- if (xd->flags & XIVE_IRQ_FLAG_SHIFT_BUG)
- offset |= offset << 4;
-
if ((xd->flags & XIVE_IRQ_FLAG_H_INT_ESB) && xive_ops->esb_rw)
xive_ops->esb_rw(xd->hw_irq, offset, data, 1);
else
@@ -1312,7 +1304,6 @@ static const struct {
} xive_irq_flags[] = {
{ XIVE_IRQ_FLAG_STORE_EOI, "STORE_EOI" },
{ XIVE_IRQ_FLAG_LSI, "LSI" },
- { XIVE_IRQ_FLAG_SHIFT_BUG, "SHIFT_BUG" },
{ XIVE_IRQ_FLAG_MASK_FW, "MASK_FW" },
{ XIVE_IRQ_FLAG_EOI_FW, "EOI_FW" },
{ XIVE_IRQ_FLAG_H_INT_ESB, "H_INT_ESB" },