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Subject[PATCH v3 14/17] firmware: qcom_scm-32: Add device argument to atomic calls
Date
Add unused "device" parameter to reduce merge friction between SMCCC and
legacy based conventions in an upcoming patch.

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
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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