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IB/hfi1: Correct external device configuration shift

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The external device configuration was incorrectly shifted to byte 3 of
the 32 bit DC_HOST_COMM_SETTINGS instead of byte 0. This patch corrects
the shift and provides the cable capability information in byte 0.

Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Easwar Hariharan 2016-05-12 10:22:45 -07:00 committed by Doug Ledford
parent 9775a991f9
commit 27a340f6b2
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/rdma/hfi1/platform.c
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@ -575,8 +575,8 @@ static void apply_tunings(
ret = read_8051_config(ppd->dd, DC_HOST_COMM_SETTINGS,
GENERAL_CONFIG, &config_data);
/* Clear, then set the external device config field */
config_data &= ~(0xFF << 24);
config_data |= (external_device_config << 24);
config_data &= ~(u32)0xFF;
config_data |= external_device_config;
ret = load_8051_config(ppd->dd, DC_HOST_COMM_SETTINGS,
GENERAL_CONFIG, config_data);
if (ret != HCMD_SUCCESS)