diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/platform.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/platform.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/hfi1/platform.c b/drivers/infiniband/hw/hfi1/platform.c index ab221b05d553..8004f1da7548 100644 --- a/drivers/infiniband/hw/hfi1/platform.c +++ b/drivers/infiniband/hw/hfi1/platform.c @@ -45,10 +45,14 @@ * */ +#include <linux/firmware.h> + #include "hfi.h" #include "efivar.h" #include "eprom.h" +#define DEFAULT_PLATFORM_CONFIG_NAME "hfi1_platform.dat" + static int validate_scratch_checksum(struct hfi1_devdata *dd) { u64 checksum = 0, temp_scratch = 0; @@ -147,6 +151,7 @@ void get_platform_config(struct hfi1_devdata *dd) int ret = 0; u8 *temp_platform_config = NULL; u32 esize; + const struct firmware *platform_config_file = NULL; if (is_integrated(dd)) { if (validate_scratch_checksum(dd)) { @@ -167,23 +172,33 @@ void get_platform_config(struct hfi1_devdata *dd) dd_dev_err(dd, "%s: Failed to get platform config, falling back to sub-optimal default file\n", __func__); - /* fall back to request firmware */ - platform_config_load = 1; -} -void free_platform_config(struct hfi1_devdata *dd) -{ - if (!platform_config_load) { - /* - * was loaded from EFI or the EPROM, release memory - * allocated by read_efi_var/eprom_read_platform_config - */ - kfree(dd->platform_config.data); + ret = request_firmware(&platform_config_file, + DEFAULT_PLATFORM_CONFIG_NAME, + &dd->pcidev->dev); + if (ret) { + dd_dev_err(dd, + "%s: No default platform config file found\n", + __func__); + return; } + /* - * else do nothing, dispose_firmware will release - * struct firmware platform_config on driver exit + * Allocate separate memory block to store data and free firmware + * structure. This allows free_platform_config to treat EPROM and + * fallback configs in the same manner. */ + dd->platform_config.data = kmemdup(platform_config_file->data, + platform_config_file->size, + GFP_KERNEL); + dd->platform_config.size = platform_config_file->size; + release_firmware(platform_config_file); +} + +void free_platform_config(struct hfi1_devdata *dd) +{ + /* Release memory allocated for eprom or fallback file read. */ + kfree(dd->platform_config.data); } void get_port_type(struct hfi1_pportdata *ppd) |