From 8bae0ff2590c0b709d217da4466c6dba0b6b885c Mon Sep 17 00:00:00 2001 From: Ralph Campbell Date: Wed, 16 Apr 2008 21:01:13 -0700 Subject: [PATCH] IB/ipath: Fix error recovery for send buffer status after chip freeze mode The error recovery code for updating the driver's cached status information for which send buffers are busy or free wasn't updated for IBA7220. It should be similar to the initialization code in enable_chip(). Signed-off-by: Ralph Campbell Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ipath/ipath_intr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c index d12dfadaec..ed2a227cec 100644 --- a/drivers/infiniband/hw/ipath/ipath_intr.c +++ b/drivers/infiniband/hw/ipath/ipath_intr.c @@ -833,7 +833,8 @@ void ipath_clear_freeze(struct ipath_devdata *dd) */ for (i = 0; i < dd->ipath_pioavregs; i++) { /* deal with 6110 chip bug */ - im = i > 3 ? i ^ 1 : i; + im = (i > 3 && (dd->ipath_flags & IPATH_SWAP_PIOBUFS)) ? + i ^ 1 : i; val = ipath_read_kreg64(dd, (0x1000 / sizeof(u64)) + im); dd->ipath_pioavailregs_dma[i] = cpu_to_le64(val); dd->ipath_pioavailshadow[i] = val; -- 2.39.5