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authorJan Sokolowski <jan.sokolowski@intel.com>2017-07-29 08:43:37 -0700
committerDoug Ledford <dledford@redhat.com>2017-07-31 15:18:38 -0400
commitc822652ea669f8f46e4e8e2fc0618f2f72103f14 (patch)
treeaecd483e6e65df575f02dea4f450278005eb9ba8 /drivers/infiniband/hw/hfi1/platform.c
parente87473bc1b6c2cb08f1b760cfc8cd012822241a6 (diff)
downloadlinux-rt-c822652ea669f8f46e4e8e2fc0618f2f72103f14.tar.gz
IB/hfi1: Disambiguate corruption and uninitialized error cases
The error messages when checksum validation of the platform configuration fields populated into the ASIC scratch registers fails are ambiguous. Disambiguate them. Reviewed-by: Jakub Byczkowski <jakub.byczkowski@intel.com> Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com> Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/platform.c')
-rw-r--r--drivers/infiniband/hw/hfi1/platform.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/hfi1/platform.c b/drivers/infiniband/hw/hfi1/platform.c
index 41307e474525..5c38a24484ab 100644
--- a/drivers/infiniband/hw/hfi1/platform.c
+++ b/drivers/infiniband/hw/hfi1/platform.c
@@ -58,8 +58,13 @@ static int validate_scratch_checksum(struct hfi1_devdata *dd)
version = (temp_scratch & BITMAP_VERSION_SMASK) >> BITMAP_VERSION_SHIFT;
/* Prevent power on default of all zeroes from passing checksum */
- if (!version)
+ if (!version) {
+ dd_dev_err(dd, "%s: Config bitmap uninitialized\n", __func__);
+ dd_dev_err(dd,
+ "%s: Please update your BIOS to support active channels\n",
+ __func__);
return 0;
+ }
/*
* ASIC scratch 0 only contains the checksum and bitmap version as
@@ -84,6 +89,8 @@ static int validate_scratch_checksum(struct hfi1_devdata *dd)
if (checksum + temp_scratch == 0xFFFF)
return 1;
+
+ dd_dev_err(dd, "%s: Configuration bitmap corrupted\n", __func__);
return 0;
}
@@ -144,11 +151,6 @@ void get_platform_config(struct hfi1_devdata *dd)
save_platform_config_fields(dd);
return;
}
- dd_dev_err(dd, "%s: Config bitmap corrupted/uninitialized\n",
- __func__);
- dd_dev_err(dd,
- "%s: Please update your BIOS to support active channels\n",
- __func__);
} else {
ret = eprom_read_platform_config(dd,
(void **)&temp_platform_config,