From: Elliot Berman <quic_eberman@quicinc.com>
To: Mark Rutland <mark.rutland@arm.com>,
Lorenzo Pieralisi <lpieralisi@kernel.org>,
Sebastian Reichel <sre@kernel.org>
Cc: Elliot Berman <quic_eberman@quicinc.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
"Rob Herring" <robh+dt@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-pm@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
<kernel@quicinc.com>,
Satya Durga Srinivasu Prabhala <quic_satyap@quicinc.com>,
Melody Olvera <quic_molvera@quicinc.com>,
"Prasad Sodagudi" <quic_psodagud@quicinc.com>
Subject: [RFC PATCH 2/4] power: reset: reboot-mode: Wire reboot_mode enum to magic
Date: Mon, 24 Jul 2023 15:30:52 -0700 [thread overview]
Message-ID: <20230724223057.1208122-3-quic_eberman@quicinc.com> (raw)
In-Reply-To: <20230724223057.1208122-1-quic_eberman@quicinc.com>
Allow the reboot mode type to be wired to magic.
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
---
drivers/power/reset/reboot-mode.c | 30 ++++++++++++++++++++++++++----
1 file changed, 26 insertions(+), 4 deletions(-)
diff --git a/drivers/power/reset/reboot-mode.c b/drivers/power/reset/reboot-mode.c
index a646aefa041b..4ea97ccbaf51 100644
--- a/drivers/power/reset/reboot-mode.c
+++ b/drivers/power/reset/reboot-mode.c
@@ -22,12 +22,8 @@ struct mode_info {
static bool get_reboot_mode_magic(struct reboot_mode_driver *reboot,
const char *cmd, unsigned int *magic)
{
- const char *normal = "normal";
struct mode_info *info;
- if (!cmd)
- cmd = normal;
-
list_for_each_entry(info, &reboot->head, list) {
if (!strcmp(info->mode, cmd)) {
*magic = info->magic;
@@ -45,6 +41,32 @@ static int reboot_mode_notify(struct notifier_block *this,
unsigned int magic;
reboot = container_of(this, struct reboot_mode_driver, reboot_notifier);
+
+ if (!cmd) {
+ switch (mode) {
+ case REBOOT_COLD:
+ cmd = "cold";
+ break;
+ case REBOOT_WARM:
+ cmd = "warm";
+ break;
+ case REBOOT_HARD:
+ cmd = "hard";
+ break;
+ case REBOOT_SOFT:
+ cmd = "soft";
+ break;
+ case REBOOT_GPIO:
+ cmd = "gpio";
+ break;
+ }
+ if (get_reboot_mode_magic(reboot, cmd, &magic)) {
+ reboot->write(reboot, magic);
+ return NOTIFY_DONE;
+ }
+ cmd = "normal";
+ }
+
if (get_reboot_mode_magic(reboot, cmd, &magic))
reboot->write(reboot, magic);
--
2.41.0
next prev parent reply other threads:[~2023-07-24 22:31 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-24 22:30 [RFC PATCH 0/4] Implement a PSCI SYSTEM_RESET2 reboot-mode driver Elliot Berman
2023-07-24 22:30 ` [RFC PATCH 1/4] power: reset: reboot-mode: Allow magic to be 0 Elliot Berman
2023-07-26 5:06 ` Pavan Kondeti
2023-07-24 22:30 ` Elliot Berman [this message]
2023-07-25 10:03 ` [RFC PATCH 2/4] power: reset: reboot-mode: Wire reboot_mode enum to magic Mukesh Ojha
2023-07-25 21:04 ` Elliot Berman
2023-07-26 5:10 ` Pavan Kondeti
2023-07-24 22:30 ` [RFC PATCH 3/4] dt-bindings: power: reset: Document arm,psci-vendor-reset Elliot Berman
2023-07-24 23:23 ` Rob Herring
2023-07-25 18:01 ` Elliot Berman
2023-07-25 20:26 ` Elliot Berman
2023-07-26 13:45 ` Rob Herring
2023-07-26 17:18 ` Elliot Berman
2023-07-25 8:29 ` Mukesh Ojha
2023-07-24 22:30 ` [RFC PATCH 4/4] power: reset: Implement a PSCI SYSTEM_RESET2 reboot-mode driver Elliot Berman
2023-07-25 5:44 ` Krzysztof Kozlowski
2023-07-26 10:41 ` Pavan Kondeti
2023-07-26 17:19 ` Elliot Berman
2023-07-27 3:00 ` Pavan Kondeti
2023-07-25 19:12 ` [RFC PATCH 0/4] " Florian Fainelli
2023-07-25 20:27 ` Elliot Berman
2023-07-26 17:38 ` Florian Fainelli
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