diff options
| author | Cédric Le Goater <clg@kaod.org> | 2020-12-10 18:14:45 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-11 09:53:10 +1100 |
| commit | 4cc0e36df2c0a41fd38645ddde08d2bfba699b7a (patch) | |
| tree | 88dc2f3072e11d897f10531ecafa8ce883dd4b02 /arch/powerpc/sysdev | |
| parent | 7b3b3de3b04ecb7393cdfaa30a3468dd47b750cf (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')
| -rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 9 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/xive/native.c | 2 |
2 files changed, 0 insertions, 11 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" }, diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c index c3182ec9ed65..f501b1640068 100644 --- a/arch/powerpc/sysdev/xive/native.c +++ b/arch/powerpc/sysdev/xive/native.c @@ -64,8 +64,6 @@ int xive_native_populate_irq_data(u32 hw_irq, struct xive_irq_data *data) data->flags |= XIVE_IRQ_FLAG_STORE_EOI; if (opal_flags & OPAL_XIVE_IRQ_LSI) data->flags |= XIVE_IRQ_FLAG_LSI; - if (opal_flags & OPAL_XIVE_IRQ_SHIFT_BUG) - data->flags |= XIVE_IRQ_FLAG_SHIFT_BUG; if (opal_flags & OPAL_XIVE_IRQ_MASK_VIA_FW) data->flags |= XIVE_IRQ_FLAG_MASK_FW; if (opal_flags & OPAL_XIVE_IRQ_EOI_VIA_FW) |