From: <Claudiu.Beznea@microchip.com>
To: <sre@kernel.org>, <Nicolas.Ferre@microchip.com>,
<alexandre.belloni@bootlin.com>,
<Ludovic.Desroches@microchip.com>
Cc: <linux-pm@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <Claudiu.Beznea@microchip.com>
Subject: [PATCH 07/15] power: reset: at91-reset: devm_kzalloc() for at91_reset data structure
Date: Tue, 21 Jan 2020 10:03:32 +0000 [thread overview]
Message-ID: <1579601001-5711-8-git-send-email-claudiu.beznea@microchip.com> (raw)
In-Reply-To: <1579601001-5711-1-git-send-email-claudiu.beznea@microchip.com>
Allocate at91_reset data on probe and set it as platform data.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
drivers/power/reset/at91-reset.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c
index bd05496c5ac7..7ba77555e9e1 100644
--- a/drivers/power/reset/at91-reset.c
+++ b/drivers/power/reset/at91-reset.c
@@ -56,8 +56,6 @@ struct at91_reset {
struct notifier_block nb;
};
-static struct at91_reset *reset;
-
/*
* unless the SDRAM is cleanly shutdown before we hit the
* reset register it can be left driving the data bus and
@@ -66,6 +64,8 @@ static struct at91_reset *reset;
static int at91sam9260_restart(struct notifier_block *this, unsigned long mode,
void *cmd)
{
+ struct at91_reset *reset = container_of(this, struct at91_reset, nb);
+
asm volatile(
/* Align to cache lines */
".balign 32\n\t"
@@ -93,6 +93,8 @@ static int at91sam9260_restart(struct notifier_block *this, unsigned long mode,
static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode,
void *cmd)
{
+ struct at91_reset *reset = container_of(this, struct at91_reset, nb);
+
asm volatile(
/*
* Test wether we have a second RAM controller to care
@@ -137,6 +139,8 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode,
static int sama5d3_restart(struct notifier_block *this, unsigned long mode,
void *cmd)
{
+ struct at91_reset *reset = container_of(this, struct at91_reset, nb);
+
writel(cpu_to_le32(AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST),
reset->rstc_base);
@@ -146,6 +150,8 @@ static int sama5d3_restart(struct notifier_block *this, unsigned long mode,
static int samx7_restart(struct notifier_block *this, unsigned long mode,
void *cmd)
{
+ struct at91_reset *reset = container_of(this, struct at91_reset, nb);
+
writel(cpu_to_le32(AT91_RSTC_KEY | AT91_RSTC_PROCRST),
reset->rstc_base);
@@ -210,6 +216,7 @@ MODULE_DEVICE_TABLE(of, at91_reset_of_match);
static int __init at91_reset_probe(struct platform_device *pdev)
{
const struct of_device_id *match;
+ struct at91_reset *reset;
struct device_node *np;
int ret, idx = 0;
@@ -250,6 +257,8 @@ static int __init at91_reset_probe(struct platform_device *pdev)
return ret;
}
+ platform_set_drvdata(pdev, reset);
+
ret = register_restart_handler(&reset->nb);
if (ret) {
clk_disable_unprepare(reset->sclk);
@@ -263,6 +272,8 @@ static int __init at91_reset_probe(struct platform_device *pdev)
static int __exit at91_reset_remove(struct platform_device *pdev)
{
+ struct at91_reset *reset = platform_get_drvdata(pdev);
+
unregister_restart_handler(&reset->nb);
clk_disable_unprepare(reset->sclk);
--
2.7.4
next prev parent reply other threads:[~2020-01-21 10:03 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-21 10:03 [PATCH 00/15] rework at91-reset driver Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 01/15] power: reset: at91-reset: introduce struct at91_reset Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 03/15] power: reset: at91-reset: add sclk to " Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 02/15] power: reset: at91-reset: add ramc_base[] " Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 04/15] power: reset: at91-reset: add notifier block " Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 05/15] power: reset: at91-reset: convert reset in pointer " Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 08/15] power: reset: at91-reset: introduce struct at91_reset_data Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 06/15] power: reset: at91-reset: pass rstc base address to at91_reset_status() Claudiu.Beznea
2020-01-21 10:03 ` Claudiu.Beznea [this message]
2020-01-21 10:03 ` [PATCH 10/15] power: reset: at91-reset: use r4 as tmp argument Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 09/15] power: reset: at91-reset: introduce args member in at91_reset_data Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 11/15] power: reset: at91-reset: introduce ramc_lpr to struct at91_reset Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 12/15] power: reset: at91-reset: make at91sam9g45_restart() generic Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 13/15] power: reset: at91-reset: keep only one reset function Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 14/15] power: reset: at91-reset: get rid of at91_reset_data Claudiu.Beznea
2020-01-21 10:03 ` [PATCH 15/15] power: reset: at91-reset: handle nrst async for sam9x60 Claudiu.Beznea
2020-03-08 18:54 ` [PATCH 00/15] rework at91-reset driver Sebastian Reichel
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