linux-kernel - [PATCH] soc: qcom: scm: Clarify boot interface

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Date:	Thu, 23 Oct 2014 17:35:07 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Kumar Gala <galak@...eaurora.org>
Cc:	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] soc: qcom: scm: Clarify boot interface

The secure world only knows about 32-bit wide physical addresses
for the boot API. Clarify the kernel interface by explicitly
stating a u32 instead of phys_addr_t which could be 32 or 64 bits
depending on LPAE or not.

Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
---
 drivers/soc/qcom/scm-boot.c | 2 +-
 include/soc/qcom/scm-boot.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/qcom/scm-boot.c b/drivers/soc/qcom/scm-boot.c
index 3e4d77b371c6..af16fcc8d5cb 100644
--- a/drivers/soc/qcom/scm-boot.c
+++ b/drivers/soc/qcom/scm-boot.c
@@ -24,7 +24,7 @@
 /*
  * Set the cold/warm boot address for one of the CPU cores.
  */
-int scm_set_boot_addr(phys_addr_t addr, int flags)
+int scm_set_boot_addr(u32 addr, int flags)
 {
 	struct {
 		__le32 flags;
diff --git a/include/soc/qcom/scm-boot.h b/include/soc/qcom/scm-boot.h
index 02b445c426ce..3e210fb818bb 100644
--- a/include/soc/qcom/scm-boot.h
+++ b/include/soc/qcom/scm-boot.h
@@ -21,6 +21,6 @@
 #define SCM_FLAG_WARMBOOT_CPU2		0x10
 #define SCM_FLAG_WARMBOOT_CPU3		0x40
 
-int scm_set_boot_addr(phys_addr_t addr, int flags);
+int scm_set_boot_addr(u32 addr, int flags);
 
 #endif
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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