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TI SoC driver updates for v6.10

Browse Source 
Generic Cleanups/Fixes:
 - wkup_m3_ipc: Minor optimization to send NULL dummy message instead of empty pointer message
 - ti_sci: Register restart handler unconditionally
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Merge tag 'ti-driver-soc-for-v6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/drivers

TI SoC driver updates for v6.10

Generic Cleanups/Fixes:
- wkup_m3_ipc: Minor optimization to send NULL dummy message instead of empty pointer message
- ti_sci: Register restart handler unconditionally

* tag 'ti-driver-soc-for-v6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
  soc: ti: wkup_m3_ipc: Send NULL dummy message instead of pointer message
  firmware: ti_sci: Unconditionally register reset handler
  firmware: ti_sci: Use devm_register_restart_handler()

Link: https://lore.kernel.org/r/20240501124300.i5jzeugdlrlnfg22@undrafted
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2024-05-02 15:12:01 +02:00
commit e067863132
2 changed files with 8 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/firmware/ti_sci.c
View File

@ -87,7 +87,6 @@ struct ti_sci_desc {
* struct ti_sci_info - Structure representing a TI SCI instance
* @dev: Device pointer
* @desc: SoC description for this instance
* @nb: Reboot Notifier block
* @d: Debugfs file entry
* @debug_region: Memory region where the debug message are available
* @debug_region_size: Debug region size
@ -103,7 +102,6 @@ struct ti_sci_desc {
*/
struct ti_sci_info {
struct device *dev;
struct notifier_block nb;
const struct ti_sci_desc *desc;
struct dentry *d;
void __iomem *debug_region;
@ -122,7 +120,6 @@ struct ti_sci_info {
#define cl_to_ti_sci_info(c) container_of(c, struct ti_sci_info, cl)
#define handle_to_ti_sci_info(h) container_of(h, struct ti_sci_info, handle)
#define reboot_to_ti_sci_info(n) container_of(n, struct ti_sci_info, nb)
#ifdef CONFIG_DEBUG_FS
@ -3254,10 +3251,9 @@ devm_ti_sci_get_resource(const struct ti_sci_handle *handle, struct device *dev,
}
EXPORT_SYMBOL_GPL(devm_ti_sci_get_resource);
static int tisci_reboot_handler(struct notifier_block *nb, unsigned long mode,
void *cmd)
static int tisci_reboot_handler(struct sys_off_data *data)
{
struct ti_sci_info *info = reboot_to_ti_sci_info(nb);
struct ti_sci_info *info = data->cb_data;
const struct ti_sci_handle *handle = &info->handle;
ti_sci_cmd_core_reboot(handle);
@ -3303,7 +3299,6 @@ static int ti_sci_probe(struct platform_device *pdev)
struct mbox_client *cl;
int ret = -EINVAL;
int i;
int reboot = 0;
u32 h_id;
desc = device_get_match_data(dev);
@ -3327,8 +3322,6 @@ static int ti_sci_probe(struct platform_device *pdev)
}
}
reboot = of_property_read_bool(dev->of_node,
"ti,system-reboot-controller");
INIT_LIST_HEAD(&info->node);
minfo = &info->minfo;
@ -3399,15 +3392,10 @@ static int ti_sci_probe(struct platform_device *pdev)
ti_sci_setup_ops(info);
if (reboot) {
info->nb.notifier_call = tisci_reboot_handler;
info->nb.priority = 128;
ret = register_restart_handler(&info->nb);
if (ret) {
dev_err(dev, "reboot registration fail(%d)\n", ret);
goto out;
}
ret = devm_register_restart_handler(dev, tisci_reboot_handler, info);
if (ret) {
dev_err(dev, "reboot registration fail(%d)\n", ret);
goto out;
}
dev_info(dev, "ABI: %d.%d (firmware rev 0x%04x '%s')\n",

7
drivers/soc/ti/wkup_m3_ipc.c
View File

@ -16,7 +16,6 @@
#include <linux/irq.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/omap-mailbox.h>
#include <linux/platform_device.h>
#include <linux/remoteproc.h>
#include <linux/suspend.h>
@ -314,7 +313,6 @@ static irqreturn_t wkup_m3_txev_handler(int irq, void *ipc_data)
static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc)
{
struct device *dev = m3_ipc->dev;
mbox_msg_t dummy_msg = 0;
int ret;
if (!m3_ipc->mbox) {
@ -330,7 +328,7 @@ static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc)
* the RX callback to avoid multiple interrupts being received
* by the CM3.
*/
ret = mbox_send_message(m3_ipc->mbox, &dummy_msg);
ret = mbox_send_message(m3_ipc->mbox, NULL);
if (ret < 0) {
dev_err(dev, "%s: mbox_send_message() failed: %d\n",
__func__, ret);
@ -352,7 +350,6 @@ static int wkup_m3_ping(struct wkup_m3_ipc *m3_ipc)
static int wkup_m3_ping_noirq(struct wkup_m3_ipc *m3_ipc)
{
struct device *dev = m3_ipc->dev;
mbox_msg_t dummy_msg = 0;
int ret;
if (!m3_ipc->mbox) {
@ -361,7 +358,7 @@ static int wkup_m3_ping_noirq(struct wkup_m3_ipc *m3_ipc)
return -EIO;
}
ret = mbox_send_message(m3_ipc->mbox, &dummy_msg);
ret = mbox_send_message(m3_ipc->mbox, NULL);
if (ret < 0) {
dev_err(dev, "%s: mbox_send_message() failed: %d\n",
__func__, ret);