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From:   Elliot Berman <eberman@codeaurora.org>
To:     Bjorn Andersson <bjorn.andersson@linaro.org>, agross@kernel.org,
        swboyd@chromium.org, Stephan Gerhold <stephan@gerhold.net>
Cc:     Elliot Berman <eberman@codeaurora.org>,
        saiprakash.ranjan@codeaurora.org, tsoni@codeaurora.org,
        sidgup@codeaurora.org, psodagud@codeaurora.org,
        Brian Masney <masneyb@onstation.org>,
        linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v5 14/17] firmware: qcom_scm-32: Add device argument to atomic calls
Date:   Tue,  7 Jan 2020 13:04:23 -0800
Message-Id: <1578431066-19600-15-git-send-email-eberman@codeaurora.org>
In-Reply-To: <1578431066-19600-1-git-send-email-eberman@codeaurora.org>
References: <1578431066-19600-1-git-send-email-eberman@codeaurora.org>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Add unused "device" parameter to reduce merge friction between SMCCC and
legacy based conventions in an upcoming patch.

Change-Id: Ie31b220d751ae08430b3e89d41de0217e5213435
Tested-by: Brian Masney <masneyb@onstation.org> # arm32
Tested-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
---
 drivers/firmware/qcom_scm-32.c | 18 ++++++++++--------
 drivers/firmware/qcom_scm-64.c |  5 +++--
 drivers/firmware/qcom_scm.c    |  5 +++--
 drivers/firmware/qcom_scm.h    |  5 +++--
 4 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/drivers/firmware/qcom_scm-32.c b/drivers/firmware/qcom_scm-32.c
index 9729a8a..e9b396c 100644
--- a/drivers/firmware/qcom_scm-32.c
+++ b/drivers/firmware/qcom_scm-32.c
@@ -285,7 +285,8 @@ static int qcom_scm_call(struct device *dev, const struct qcom_scm_desc *desc,
  * This shall only be used with commands that are guaranteed to be
  * uninterruptable, atomic and SMP safe.
  */
-static int qcom_scm_call_atomic(const struct qcom_scm_desc *desc,
+static int qcom_scm_call_atomic(struct device *unused,
+				const struct qcom_scm_desc *desc,
 				struct qcom_scm_res *res)
 {
 	int context_id;
@@ -316,7 +317,8 @@ static int qcom_scm_call_atomic(const struct qcom_scm_desc *desc,
  * Set the cold boot address of the cpus. Any cpu outside the supported
  * range would be removed from the cpu present mask.
  */
-int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus)
+int __qcom_scm_set_cold_boot_addr(struct device *dev, void *entry,
+				  const cpumask_t *cpus)
 {
 	int flags = 0;
 	int cpu;
@@ -345,7 +347,7 @@ int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus)
 	desc.args[1] = virt_to_phys(entry);
 	desc.arginfo = QCOM_SCM_ARGS(2);
 
-	return qcom_scm_call_atomic(&desc, NULL);
+	return qcom_scm_call_atomic(dev, &desc, NULL);
 }
 
 /**
@@ -402,7 +404,7 @@ int __qcom_scm_set_warm_boot_addr(struct device *dev, void *entry,
  * the control would return from this function, otherwise, the cpu jumps to the
  * warm boot entry point set for this cpu upon reset.
  */
-void __qcom_scm_cpu_power_down(u32 flags)
+void __qcom_scm_cpu_power_down(struct device *dev, u32 flags)
 {
 	struct qcom_scm_desc desc = {
 		.svc = QCOM_SCM_SVC_BOOT,
@@ -411,7 +413,7 @@ void __qcom_scm_cpu_power_down(u32 flags)
 		.arginfo = QCOM_SCM_ARGS(1),
 	};
 
-	qcom_scm_call_atomic(&desc, NULL);
+	qcom_scm_call_atomic(dev, &desc, NULL);
 }
 
 int __qcom_scm_is_call_available(struct device *dev, u32 svc_id, u32 cmd_id)
@@ -616,7 +618,7 @@ int __qcom_scm_set_dload_mode(struct device *dev, bool enable)
 	desc.args[1] = enable ? QCOM_SCM_BOOT_SET_DLOAD_MODE : 0;
 	desc.arginfo = QCOM_SCM_ARGS(2);
 
-	return qcom_scm_call_atomic(&desc, NULL);
+	return qcom_scm_call_atomic(dev, &desc, NULL);
 }
 
 int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id)
@@ -687,7 +689,7 @@ int __qcom_scm_io_readl(struct device *dev, phys_addr_t addr,
 	desc.args[0] = addr;
 	desc.arginfo = QCOM_SCM_ARGS(1);
 
-	ret = qcom_scm_call_atomic(&desc, &res);
+	ret = qcom_scm_call_atomic(dev, &desc, &res);
 	if (ret >= 0)
 		*val = res.result[0];
 
@@ -705,7 +707,7 @@ int __qcom_scm_io_writel(struct device *dev, phys_addr_t addr, unsigned int val)
 	desc.args[1] = val;
 	desc.arginfo = QCOM_SCM_ARGS(2);
 
-	return qcom_scm_call_atomic(&desc, NULL);
+	return qcom_scm_call_atomic(dev, &desc, NULL);
 }
 
 int __qcom_scm_qsmmu500_wait_safe_toggle(struct device *dev, bool enable)
diff --git a/drivers/firmware/qcom_scm-64.c b/drivers/firmware/qcom_scm-64.c
index 6bc7f69..9507047 100644
--- a/drivers/firmware/qcom_scm-64.c
+++ b/drivers/firmware/qcom_scm-64.c
@@ -239,7 +239,8 @@ static int qcom_scm_call_atomic(struct device *dev,
  * Set the cold boot address of the cpus. Any cpu outside the supported
  * range would be removed from the cpu present mask.
  */
-int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus)
+int __qcom_scm_set_cold_boot_addr(struct device *dev, void *entry,
+				  const cpumask_t *cpus)
 {
 	return -ENOTSUPP;
 }
@@ -267,7 +268,7 @@ int __qcom_scm_set_warm_boot_addr(struct device *dev, void *entry,
  * the control would return from this function, otherwise, the cpu jumps to the
  * warm boot entry point set for this cpu upon reset.
  */
-void __qcom_scm_cpu_power_down(u32 flags)
+void __qcom_scm_cpu_power_down(struct device *dev, u32 flags)
 {
 }
 
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index 097f8b3..5efe729 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -94,7 +94,8 @@ static void qcom_scm_clk_disable(void)
  */
 int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus)
 {
-	return __qcom_scm_set_cold_boot_addr(entry, cpus);
+	return __qcom_scm_set_cold_boot_addr(__scm ? __scm->dev : NULL, entry,
+					     cpus);
 }
 EXPORT_SYMBOL(qcom_scm_set_cold_boot_addr);
 
@@ -122,7 +123,7 @@ EXPORT_SYMBOL(qcom_scm_set_warm_boot_addr);
  */
 void qcom_scm_cpu_power_down(u32 flags)
 {
-	__qcom_scm_cpu_power_down(flags);
+	__qcom_scm_cpu_power_down(__scm ? __scm->dev : NULL, flags);
 }
 EXPORT_SYMBOL(qcom_scm_cpu_power_down);
 
diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom_scm.h
index afcca16..a022556 100644
--- a/drivers/firmware/qcom_scm.h
+++ b/drivers/firmware/qcom_scm.h
@@ -13,11 +13,12 @@ extern int __qcom_scm_set_dload_mode(struct device *dev, bool enable);
 
 extern int __qcom_scm_set_warm_boot_addr(struct device *dev, void *entry,
 		const cpumask_t *cpus);
-extern int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
+extern int __qcom_scm_set_cold_boot_addr(struct device *dev, void *entry,
+		const cpumask_t *cpus);
 
 #define QCOM_SCM_BOOT_TERMINATE_PC	0x2
 #define QCOM_SCM_FLUSH_FLAG_MASK	0x3
-extern void __qcom_scm_cpu_power_down(u32 flags);
+extern void __qcom_scm_cpu_power_down(struct device *dev, u32 flags);
 
 #define QCOM_SCM_SVC_IO			0x5
 #define QCOM_SCM_IO_READ		0x1
-- 
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