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path: root/drivers/infiniband/hw/hfi1/firmware.c
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Diffstat (limited to 'drivers/infiniband/hw/hfi1/firmware.c')
-rw-r--r--drivers/infiniband/hw/hfi1/firmware.c64
1 files changed, 16 insertions, 48 deletions
diff --git a/drivers/infiniband/hw/hfi1/firmware.c b/drivers/infiniband/hw/hfi1/firmware.c
index 98868df78a7e..2b57ba70ddd6 100644
--- a/drivers/infiniband/hw/hfi1/firmware.c
+++ b/drivers/infiniband/hw/hfi1/firmware.c
@@ -68,7 +68,6 @@
#define ALT_FW_FABRIC_NAME "hfi1_fabric_d.fw"
#define ALT_FW_SBUS_NAME "hfi1_sbus_d.fw"
#define ALT_FW_PCIE_NAME "hfi1_pcie_d.fw"
-#define HOST_INTERFACE_VERSION 1
MODULE_FIRMWARE(DEFAULT_FW_8051_NAME_ASIC);
MODULE_FIRMWARE(DEFAULT_FW_FABRIC_NAME);
@@ -976,46 +975,6 @@ int wait_fm_ready(struct hfi1_devdata *dd, u32 mstimeout)
}
/*
- * Clear all reset bits, releasing the 8051.
- * Wait for firmware to be ready to accept host requests.
- * Then, set host version bit.
- *
- * This function executes even if the 8051 is in reset mode when
- * dd->dc_shutdown == 1.
- *
- * Expects dd->dc8051_lock to be held.
- */
-int release_and_wait_ready_8051_firmware(struct hfi1_devdata *dd)
-{
- int ret;
-
- lockdep_assert_held(&dd->dc8051_lock);
- /* clear all reset bits, releasing the 8051 */
- write_csr(dd, DC_DC8051_CFG_RST, 0ull);
-
- /*
- * Wait for firmware to be ready to accept host
- * requests.
- */
- ret = wait_fm_ready(dd, TIMEOUT_8051_START);
- if (ret) {
- dd_dev_err(dd, "8051 start timeout, current FW state 0x%x\n",
- get_firmware_state(dd));
- return ret;
- }
-
- ret = write_host_interface_version(dd, HOST_INTERFACE_VERSION);
- if (ret != HCMD_SUCCESS) {
- dd_dev_err(dd,
- "Failed to set host interface version, return 0x%x\n",
- ret);
- return -EIO;
- }
-
- return 0;
-}
-
-/*
* Load the 8051 firmware.
*/
static int load_8051_firmware(struct hfi1_devdata *dd,
@@ -1080,22 +1039,31 @@ static int load_8051_firmware(struct hfi1_devdata *dd,
if (ret)
return ret;
+ /* clear all reset bits, releasing the 8051 */
+ write_csr(dd, DC_DC8051_CFG_RST, 0ull);
+
/*
- * Clear all reset bits, releasing the 8051.
* DC reset step 5. Wait for firmware to be ready to accept host
* requests.
- * Then, set host version bit.
*/
- mutex_lock(&dd->dc8051_lock);
- ret = release_and_wait_ready_8051_firmware(dd);
- mutex_unlock(&dd->dc8051_lock);
- if (ret)
- return ret;
+ ret = wait_fm_ready(dd, TIMEOUT_8051_START);
+ if (ret) { /* timed out */
+ dd_dev_err(dd, "8051 start timeout, current state 0x%x\n",
+ get_firmware_state(dd));
+ return -ETIMEDOUT;
+ }
read_misc_status(dd, &ver_major, &ver_minor, &ver_patch);
dd_dev_info(dd, "8051 firmware version %d.%d.%d\n",
(int)ver_major, (int)ver_minor, (int)ver_patch);
dd->dc8051_ver = dc8051_ver(ver_major, ver_minor, ver_patch);
+ ret = write_host_interface_version(dd, HOST_INTERFACE_VERSION);
+ if (ret != HCMD_SUCCESS) {
+ dd_dev_err(dd,
+ "Failed to set host interface version, return 0x%x\n",
+ ret);
+ return -EIO;
+ }
return 0;
}