linux-kernel - [PATCH v4 12/25] firmware: xilinx: Remove eemi ops for reset

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1586459534-8997-13-git-send-email-jolly.shah@xilinx.com>
Date:   Thu,  9 Apr 2020 12:12:01 -0700
From:   Jolly Shah <jolly.shah@...inx.com>
To:     ard.biesheuvel@...aro.org, mingo@...nel.org,
        gregkh@...uxfoundation.org, matt@...eblueprint.co.uk,
        sudeep.holla@....com, hkallweit1@...il.com, keescook@...omium.org,
        dmitry.torokhov@...il.com, michal.simek@...inx.com
Cc:     rajanv@...inx.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Rajan Vaja <rajan.vaja@...inx.com>,
        Jolly Shah <jolly.shah@...inx.com>
Subject: [PATCH v4 12/25] firmware: xilinx: Remove eemi ops for reset_assert

From: Rajan Vaja <rajan.vaja@...inx.com>

Use direct function call instead of using eemi ops for
reset_assert.

Signed-off-by: Rajan Vaja <rajan.vaja@...inx.com>
Signed-off-by: Jolly Shah <jolly.shah@...inx.com>
---
 drivers/firmware/xilinx/zynqmp.c     |  6 +++---
 drivers/reset/reset-zynqmp.c         | 18 ++++++------------
 include/linux/firmware/xlnx-zynqmp.h |  9 +++++++--
 3 files changed, 16 insertions(+), 17 deletions(-)

diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index 94fd755..2a79091 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -627,12 +627,13 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_sd_dll_reset);
  *
  * Return: Returns status, either success or error+reason
  */
-static int zynqmp_pm_reset_assert(const enum zynqmp_pm_reset reset,
-				  const enum zynqmp_pm_reset_action assert_flag)
+int zynqmp_pm_reset_assert(const enum zynqmp_pm_reset reset,
+			   const enum zynqmp_pm_reset_action assert_flag)
 {
 	return zynqmp_pm_invoke_fn(PM_RESET_ASSERT, reset, assert_flag,
 				   0, 0, NULL);
 }
+EXPORT_SYMBOL_GPL(zynqmp_pm_reset_assert);
 
 /**
  * zynqmp_pm_reset_get_status - Get status of the reset
@@ -807,7 +808,6 @@ static int zynqmp_pm_aes_engine(const u64 address, u32 *out)
 }
 
 static const struct zynqmp_eemi_ops eemi_ops = {
-	.reset_assert = zynqmp_pm_reset_assert,
 	.reset_get_status = zynqmp_pm_reset_get_status,
 	.init_finalize = zynqmp_pm_init_finalize,
 	.set_suspend_mode = zynqmp_pm_set_suspend_mode,
diff --git a/drivers/reset/reset-zynqmp.c b/drivers/reset/reset-zynqmp.c
index 0144075..4a01b7e 100644
--- a/drivers/reset/reset-zynqmp.c
+++ b/drivers/reset/reset-zynqmp.c
@@ -27,19 +27,15 @@ to_zynqmp_reset_data(struct reset_controller_dev *rcdev)
 static int zynqmp_reset_assert(struct reset_controller_dev *rcdev,
 			       unsigned long id)
 {
-	struct zynqmp_reset_data *priv = to_zynqmp_reset_data(rcdev);
-
-	return priv->eemi_ops->reset_assert(ZYNQMP_RESET_ID + id,
-					    PM_RESET_ACTION_ASSERT);
+	return zynqmp_pm_reset_assert(ZYNQMP_RESET_ID + id,
+				      PM_RESET_ACTION_ASSERT);
 }
 
 static int zynqmp_reset_deassert(struct reset_controller_dev *rcdev,
 				 unsigned long id)
 {
-	struct zynqmp_reset_data *priv = to_zynqmp_reset_data(rcdev);
-
-	return priv->eemi_ops->reset_assert(ZYNQMP_RESET_ID + id,
-					    PM_RESET_ACTION_RELEASE);
+	return zynqmp_pm_reset_assert(ZYNQMP_RESET_ID + id,
+				      PM_RESET_ACTION_RELEASE);
 }
 
 static int zynqmp_reset_status(struct reset_controller_dev *rcdev,
@@ -58,10 +54,8 @@ static int zynqmp_reset_status(struct reset_controller_dev *rcdev,
 static int zynqmp_reset_reset(struct reset_controller_dev *rcdev,
 			      unsigned long id)
 {
-	struct zynqmp_reset_data *priv = to_zynqmp_reset_data(rcdev);
-
-	return priv->eemi_ops->reset_assert(ZYNQMP_RESET_ID + id,
-					    PM_RESET_ACTION_PULSE);
+	return zynqmp_pm_reset_assert(ZYNQMP_RESET_ID + id,
+				      PM_RESET_ACTION_PULSE);
 }
 
 static const struct reset_control_ops zynqmp_reset_ops = {
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index 5aff896..22b2bbe 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -296,8 +296,6 @@ struct zynqmp_pm_query_data {
 struct zynqmp_eemi_ops {
 	int (*fpga_load)(const u64 address, const u32 size, const u32 flags);
 	int (*fpga_get_status)(u32 *value);
-	int (*reset_assert)(const enum zynqmp_pm_reset reset,
-			    const enum zynqmp_pm_reset_action assert_flag);
 	int (*reset_get_status)(const enum zynqmp_pm_reset reset, u32 *status);
 	int (*init_finalize)(void);
 	int (*set_suspend_mode)(u32 mode);
@@ -336,6 +334,8 @@ int zynqmp_pm_set_pll_frac_data(u32 clk_id, u32 data);
 int zynqmp_pm_get_pll_frac_data(u32 clk_id, u32 *data);
 int zynqmp_pm_set_sd_tapdelay(u32 node_id, u32 type, u32 value);
 int zynqmp_pm_sd_dll_reset(u32 node_id, u32 type);
+int zynqmp_pm_reset_assert(const enum zynqmp_pm_reset reset,
+			   const enum zynqmp_pm_reset_action assert_flag);
 #else
 static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
 {
@@ -414,6 +414,11 @@ static inline int zynqmp_pm_sd_dll_reset(u32 node_id, u32 type)
 {
 	return -ENODEV;
 }
+static inline int zynqmp_pm_reset_assert(const enum zynqmp_pm_reset reset,
+			   const enum zynqmp_pm_reset_action assert_flag)
+{
+	return -ENODEV;
+}
 #endif
 
 #endif /* __FIRMWARE_ZYNQMP_H__ */
-- 
2.7.4