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IB/hfi1: Use EPROM platform configuration read 

The driver will now try to read directly from the EPROM as its
first choice for the platform configuration file.

Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Dean Luick 2016-09-30 04:41:45 -07:00 committed by Doug Ledford
parent 107ffbc521
commit e83eba214d
2 changed files with 26 additions and 15 deletions
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9
drivers/infiniband/hw/hfi1/chip.c
View File

@ -14566,6 +14566,11 @@ struct hfi1_devdata *hfi1_init_dd(struct pci_dev *pdev,
if (ret)
goto bail_cleanup;
/* call before get_platform_config(), after init_chip_resources() */
ret = eprom_init(dd);
if (ret)
goto bail_free_rcverr;
/* Needs to be called before hfi1_firmware_init */
get_platform_config(dd);
@ -14686,10 +14691,6 @@ struct hfi1_devdata *hfi1_init_dd(struct pci_dev *pdev,
if (ret)
goto bail_free_cntrs;
ret = eprom_init(dd);
if (ret)
goto bail_free_rcverr;
goto bail;
bail_free_rcverr:

32
drivers/infiniband/hw/hfi1/platform.c
View File

@ -47,29 +47,39 @@
#include "hfi.h"
#include "efivar.h"
#include "eprom.h"
void get_platform_config(struct hfi1_devdata *dd)
{
int ret = 0;
unsigned long size = 0;
u8 *temp_platform_config = NULL;
u32 esize;
ret = eprom_read_platform_config(dd, (void **)&temp_platform_config,
&esize);
if (!ret) {
/* success */
size = esize;
goto success;
}
/* fail, try EFI variable */
ret = read_hfi1_efi_var(dd, "configuration", &size,
(void **)&temp_platform_config);
if (ret) {
dd_dev_info(dd,
"%s: Failed to get platform config from UEFI, falling back to request firmware\n",
__func__);
/* fall back to request firmware */
platform_config_load = 1;
goto bail;
}
if (!ret)
goto success;
dd_dev_info(dd,
"%s: Failed to get platform config from UEFI, falling back to request firmware\n",
__func__);
/* fall back to request firmware */
platform_config_load = 1;
return;
success:
dd->platform_config.data = temp_platform_config;
dd->platform_config.size = size;
bail:
/* exit */;
}
void free_platform_config(struct hfi1_devdata *dd)