Commit 27a340f6 authored May 12, 2016 by Easwar Hariharan Committed by Doug Ledford May 13, 2016

IB/hfi1: Correct external device configuration shift



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>

parent 9775a991

drivers/staging/rdma/hfi1/platform.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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)

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