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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>
This commit is contained in:
Claudiu.Beznea@microchip.com 2020-01-21 10:03:38 +00:00 committed by Sebastian Reichel
parent fcd0532fac
commit 51aa7d45f9
1 changed files with 3 additions and 49 deletions
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52
drivers/power/reset/at91-reset.c
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@ -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;