linux-kernel - [PATCH 3/3] soc: qcom: mdt_loader: add offset to request_firmware_into

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Date:   Wed, 22 May 2019 19:51:13 -0700
From:   Scott Branden <scott.branden@...adcom.com>
To:     Luis Chamberlain <mcgrof@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Alexander Viro <viro@...iv.linux.org.uk>
Cc:     "Rafael J . Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
        Olof Johansson <olof@...om.net>,
        Scott Branden <scott.branden@...adcom.com>
Subject: [PATCH 3/3] soc: qcom: mdt_loader: add offset to request_firmware_into_buf

Adjust request_firmware_into_buf API to allow for portions
of firmware file to be read into a buffer.  mdt_loader still
retricts request fo whole file read into buffer.

Signed-off-by: Scott Branden <scott.branden@...adcom.com>
---
 drivers/soc/qcom/mdt_loader.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/qcom/mdt_loader.c b/drivers/soc/qcom/mdt_loader.c
index 1c488024c698..ad20d159699c 100644
--- a/drivers/soc/qcom/mdt_loader.c
+++ b/drivers/soc/qcom/mdt_loader.c
@@ -172,8 +172,11 @@ static int __qcom_mdt_load(struct device *dev, const struct firmware *fw,
 
 		if (phdr->p_filesz) {
 			sprintf(fw_name + fw_name_len - 3, "b%02d", i);
-			ret = request_firmware_into_buf(&seg_fw, fw_name, dev,
-							ptr, phdr->p_filesz);
+			ret = request_firmware_into_buf
+						(&seg_fw, fw_name, dev,
+						 ptr, phdr->p_filesz,
+						 0,
+						 KERNEL_PREAD_FLAG_WHOLE);
 			if (ret) {
 				dev_err(dev, "failed to load %s\n", fw_name);
 				break;
-- 
2.17.1