From: Tomer Tayar Date: Thu, 1 Sep 2022 11:12:56 +0000 (+0300) Subject: habanalabs/gaudi2: read F/W security indication after hard reset X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a0fc8688c003172455f99b6b7e185b167ed964a0;p=linux.git habanalabs/gaudi2: read F/W security indication after hard reset F/W security status might change after every reset. Add the reading of the preboot status to the hard reset sequence, which among others reads this security indication. As this preboot status reading includes the waiting for the preboot to be ready, it can be removed from the CPU init which is done in a later stage. Signed-off-by: Tomer Tayar Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index 5f6407ed3b047..cc392d062f0d6 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -1563,6 +1563,13 @@ kill_processes: */ hdev->disabled = false; + /* F/W security enabled indication might be updated after hard-reset */ + if (hard_reset) { + rc = hl_fw_read_preboot_status(hdev); + if (rc) + goto out_err; + } + rc = hdev->asic_funcs->hw_init(hdev); if (rc) { dev_err(hdev->dev, "failed to initialize the H/W after reset\n"); diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c index cd2eb7e73be59..8bfb459a8282c 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -2509,13 +2509,6 @@ static int hl_fw_dynamic_init_cpu(struct hl_device *hdev, */ dyn_regs = &fw_loader->dynamic_loader.comm_desc.cpu_dyn_regs; - /* if no preboot loaded indication- wait for preboot */ - if (!(hdev->fw_loader.fw_comp_loaded & FW_TYPE_PREBOOT_CPU)) { - rc = hl_fw_wait_preboot_ready(hdev); - if (rc) - return -EIO; - } - rc = hl_fw_dynamic_send_protocol_cmd(hdev, fw_loader, COMMS_RST_STATE, 0, true, fw_loader->cpu_timeout);