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authorClaudiu.Beznea@microchip.com <Claudiu.Beznea@microchip.com>2020-01-21 10:03:38 +0000
committerSebastian Reichel <sebastian.reichel@collabora.com>2020-03-08 19:38:04 +0100
commit51aa7d45f905ca03d3c61d32a09537903a7ea707 (patch)
tree2e4fb0075712451bad10ff3e55abc057fbbfa28e /drivers/power
parentfcd0532fac2ac82cec6d7b43298c8ecfc93e1049 (diff)
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power: reset: at91-reset: keep only one reset function
Keep only one reset function. With this, notifier_call member of struct at91_reset_data could be removed. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/reset/at91-reset.c52
1 files changed, 3 insertions, 49 deletions
diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c
index 61433060d784..9c1b69f76a01 100644
--- a/drivers/power/reset/at91-reset.c
+++ b/drivers/power/reset/at91-reset.c
@@ -50,8 +50,6 @@ enum reset_type {
};
struct at91_reset_data {
- int (*notifier_call)(struct notifier_block *this, unsigned long mode,
- void *cmd);
u32 args;
};
@@ -69,38 +67,8 @@ struct at91_reset {
* reset register it can be left driving the data bus and
* killing the chance of a subsequent boot from NAND
*/
-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"
-
- /* Disable SDRAM accesses */
- "str %2, [%0, #" __stringify(AT91_SDRAMC_TR) "]\n\t"
-
- /* Power down SDRAM */
- "str %3, [%0, %5]\n\t"
-
- /* Reset CPU */
- "str %4, [%1, #" __stringify(AT91_RSTC_CR) "]\n\t"
-
- "b .\n\t"
- :
- : "r" (reset->ramc_base[0]),
- "r" (reset->rstc_base),
- "r" (1),
- "r" cpu_to_le32(AT91_SDRAMC_LPCB_POWER_DOWN),
- "r" (reset->args),
- "r" (reset->ramc_lpr));
-
- return NOTIFY_DONE;
-}
-
-static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode,
- void *cmd)
+static int at91_reset(struct notifier_block *this, unsigned long mode,
+ void *cmd)
{
struct at91_reset *reset = container_of(this, struct at91_reset, nb);
@@ -137,16 +105,6 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode,
return NOTIFY_DONE;
}
-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(reset->args, reset->rstc_base);
-
- return NOTIFY_DONE;
-}
-
static void __init at91_reset_status(struct platform_device *pdev,
void __iomem *base)
{
@@ -199,22 +157,18 @@ static const struct of_device_id at91_ramc_of_match[] = {
};
static const struct at91_reset_data at91sam9260_reset_data = {
- .notifier_call = at91sam9260_restart,
.args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST,
};
static const struct at91_reset_data at91sam9g45_reset_data = {
- .notifier_call = at91sam9g45_restart,
.args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST,
};
static const struct at91_reset_data sama5d3_reset_data = {
- .notifier_call = sama5d3_restart,
.args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST,
};
static const struct at91_reset_data samx7_reset_data = {
- .notifier_call = sama5d3_restart,
.args = AT91_RSTC_KEY | AT91_RSTC_PROCRST,
};
@@ -277,7 +231,7 @@ static int __init at91_reset_probe(struct platform_device *pdev)
match = of_match_node(at91_reset_of_match, pdev->dev.of_node);
reset_data = match->data;
- reset->nb.notifier_call = reset_data->notifier_call;
+ reset->nb.notifier_call = at91_reset;
reset->nb.priority = 192;
reset->args = reset_data->args;