linux-kernel - [PATCH 06/13] soc: qcom: mdt_loader: Reorder parts of __qcom_mdt

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Date:   Thu, 27 Jan 2022 18:55:06 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:     Rob Herring <robh+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 06/13] soc: qcom: mdt_loader: Reorder parts of __qcom_mdt_load()

Move the traversal of the program headers to the start of the function,
to make sure that min_ and max_addr are in scope as the call to
qcom_scm_pas_mem_setup() is moved in the next commit.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 drivers/soc/qcom/mdt_loader.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/soc/qcom/mdt_loader.c b/drivers/soc/qcom/mdt_loader.c
index 37e2e734bc5d..ee991784a738 100644
--- a/drivers/soc/qcom/mdt_loader.c
+++ b/drivers/soc/qcom/mdt_loader.c
@@ -213,6 +213,22 @@ static int __qcom_mdt_load(struct device *dev, const struct firmware *fw,
 	ehdr = (struct elf32_hdr *)fw->data;
 	phdrs = (struct elf32_phdr *)(ehdr + 1);
 
+	for (i = 0; i < ehdr->e_phnum; i++) {
+		phdr = &phdrs[i];
+
+		if (!mdt_phdr_valid(phdr))
+			continue;
+
+		if (phdr->p_flags & QCOM_MDT_RELOCATABLE)
+			relocate = true;
+
+		if (phdr->p_paddr < min_addr)
+			min_addr = phdr->p_paddr;
+
+		if (phdr->p_paddr + phdr->p_memsz > max_addr)
+			max_addr = ALIGN(phdr->p_paddr + phdr->p_memsz, SZ_4K);
+	}
+
 	if (pas_init) {
 		metadata = qcom_mdt_read_metadata(fw, &metadata_len, fw_name, dev);
 		if (IS_ERR(metadata)) {
@@ -233,22 +249,6 @@ static int __qcom_mdt_load(struct device *dev, const struct firmware *fw,
 		}
 	}
 
-	for (i = 0; i < ehdr->e_phnum; i++) {
-		phdr = &phdrs[i];
-
-		if (!mdt_phdr_valid(phdr))
-			continue;
-
-		if (phdr->p_flags & QCOM_MDT_RELOCATABLE)
-			relocate = true;
-
-		if (phdr->p_paddr < min_addr)
-			min_addr = phdr->p_paddr;
-
-		if (phdr->p_paddr + phdr->p_memsz > max_addr)
-			max_addr = ALIGN(phdr->p_paddr + phdr->p_memsz, SZ_4K);
-	}
-
 	if (relocate) {
 		if (pas_init) {
 			ret = qcom_scm_pas_mem_setup(pas_id, mem_phys,
-- 
2.33.1