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| author | Rajan Vaja <rajan.vaja@xilinx.com> | 2020-04-24 22:58:05 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-28 15:46:54 +0200 |
| commit | fdd2ed88ca971376669bce145f1a1bcf028d775e (patch) | |
| tree | e1bbaaeefb8b67772182647476617741068dd614 /drivers/firmware/xilinx | |
| parent | firmware: xilinx: Add sysfs interface (diff) | |
| download | linux-fdd2ed88ca971376669bce145f1a1bcf028d775e.tar.xz linux-fdd2ed88ca971376669bce145f1a1bcf028d775e.zip | |
firmware: xilinx: Add system shutdown API interface
Add system shutdown API interface which asks firmware to
perform system shutdown/restart.
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Link: https://lore.kernel.org/r/1587761887-4279-24-git-send-email-jolly.shah@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/firmware/xilinx')
| -rw-r--r-- | drivers/firmware/xilinx/zynqmp.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 2fe4f57c005a..9ba376cfc81f 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -875,6 +875,19 @@ int zynqmp_pm_aes_engine(const u64 address, u32 *out) } EXPORT_SYMBOL_GPL(zynqmp_pm_aes_engine); +/** + * zynqmp_pm_system_shutdown - PM call to request a system shutdown or restart + * @type: Shutdown or restart? 0 for shutdown, 1 for restart + * @subtype: Specifies which system should be restarted or shut down + * + * Return: Returns status, either success or error+reason + */ +int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype) +{ + return zynqmp_pm_invoke_fn(PM_SYSTEM_SHUTDOWN, type, subtype, + 0, 0, NULL); +} + static ssize_t ggs_show(struct device *device, struct device_attribute *attr, char *buf, |