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-rw-r--r--drivers/memory/brcmstb_dpfe.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/memory/brcmstb_dpfe.c b/drivers/memory/brcmstb_dpfe.c
index 3516ee81ae5c..0a7bdbed3a6f 100644
--- a/drivers/memory/brcmstb_dpfe.c
+++ b/drivers/memory/brcmstb_dpfe.c
@@ -431,13 +431,25 @@ static int brcmstb_dpfe_download_firmware(struct platform_device *pdev,
const void *fw_blob;
int ret;
+ priv = platform_get_drvdata(pdev);
+
+ /*
+ * Skip downloading the firmware if the DCPU is already running and
+ * responding to commands.
+ */
+ if (is_dcpu_enabled(priv->regs)) {
+ u32 response[MSG_FIELD_MAX];
+
+ ret = __send_command(priv, DPFE_CMD_GET_INFO, response);
+ if (!ret)
+ return 0;
+ }
+
ret = request_firmware(&fw, FIRMWARE_NAME, dev);
/* request_firmware() prints its own error messages. */
if (ret)
return ret;
- priv = platform_get_drvdata(pdev);
-
ret = __verify_firmware(init, fw);
if (ret)
return -EFAULT;