linux-kernel - [PATCH v3 13/24] firmware: xilinx: Remove eemi ops for reset_get

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: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri,  6 Mar 2020 15:47:21 -0800
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 v3 13/24] firmware: xilinx: Remove eemi ops for reset_get_status

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

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

Signed-off-by: Rajan Vaja <rajan.vaja@...inx.com>
Signed-off-by: Jolly Shah <jolly.shah@...inx.com>
---
 drivers/firmware/xilinx/zynqmp.c     | 5 ++---
 drivers/reset/reset-zynqmp.c         | 8 +-------
 include/linux/firmware/xlnx-zynqmp.h | 2 +-
 3 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index 1fa52e6..f5c5d41 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -625,8 +625,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_reset_assert);
  *
  * Return: Returns status, either success or error+reason
  */
-static int zynqmp_pm_reset_get_status(const enum zynqmp_pm_reset reset,
-				      u32 *status)
+int zynqmp_pm_reset_get_status(const enum zynqmp_pm_reset reset, u32 *status)
 {
 	u32 ret_payload[PAYLOAD_ARG_CNT];
 	int ret;
@@ -640,6 +639,7 @@ static int zynqmp_pm_reset_get_status(const enum zynqmp_pm_reset reset,
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(zynqmp_pm_reset_get_status);
 
 /**
  * zynqmp_pm_fpga_load - Perform the fpga load
@@ -767,7 +767,6 @@ static int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities,
 }
 
 static const struct zynqmp_eemi_ops eemi_ops = {
-	.reset_get_status = zynqmp_pm_reset_get_status,
 	.init_finalize = zynqmp_pm_init_finalize,
 	.set_suspend_mode = zynqmp_pm_set_suspend_mode,
 	.request_node = zynqmp_pm_request_node,
diff --git a/drivers/reset/reset-zynqmp.c b/drivers/reset/reset-zynqmp.c
index 4a01b7e..373ea8d4 100644
--- a/drivers/reset/reset-zynqmp.c
+++ b/drivers/reset/reset-zynqmp.c
@@ -15,7 +15,6 @@
 
 struct zynqmp_reset_data {
 	struct reset_controller_dev rcdev;
-	const struct zynqmp_eemi_ops *eemi_ops;
 };
 
 static inline struct zynqmp_reset_data *
@@ -41,10 +40,9 @@ static int zynqmp_reset_deassert(struct reset_controller_dev *rcdev,
 static int zynqmp_reset_status(struct reset_controller_dev *rcdev,
 			       unsigned long id)
 {
-	struct zynqmp_reset_data *priv = to_zynqmp_reset_data(rcdev);
 	int val, err;
 
-	err = priv->eemi_ops->reset_get_status(ZYNQMP_RESET_ID + id, &val);
+	err = zynqmp_pm_reset_get_status(ZYNQMP_RESET_ID + id, &val);
 	if (err)
 		return err;
 
@@ -73,10 +71,6 @@ static int zynqmp_reset_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
-	priv->eemi_ops = zynqmp_pm_get_eemi_ops();
-	if (IS_ERR(priv->eemi_ops))
-		return PTR_ERR(priv->eemi_ops);
-
 	platform_set_drvdata(pdev, priv);
 
 	priv->rcdev.ops = &zynqmp_reset_ops;
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index f882895..ce7b545 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -288,7 +288,6 @@ 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_get_status)(const enum zynqmp_pm_reset reset, u32 *status);
 	int (*init_finalize)(void);
 	int (*set_suspend_mode)(u32 mode);
 	int (*request_node)(const u32 node,
@@ -321,6 +320,7 @@ 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_reset_assert(const enum zynqmp_pm_reset reset,
 			   const enum zynqmp_pm_reset_action assert_flag);
+int zynqmp_pm_reset_get_status(const enum zynqmp_pm_reset reset, u32 *status);
 int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1,
 			u32 arg2, u32 arg3, u32 *ret_payload);
 
-- 
2.7.4