diff options
| author | Claudiu.Beznea@microchip.com <Claudiu.Beznea@microchip.com> | 2020-01-21 10:03:33 +0000 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2020-03-08 19:38:04 +0100 |
| commit | 25b80b7d5a5b41cb52db441e37a04d71e7196f60 (patch) | |
| tree | e8c35db15b77851dcfe1371e9037762622acf460 /drivers/power | |
| parent | a5bbad258a9ec41df4a158c828b9ef0af7955854 (diff) | |
| download | linux-25b80b7d5a5b41cb52db441e37a04d71e7196f60.tar.bz2 | |
power: reset: at91-reset: introduce args member in at91_reset_data
Introduce args member in struct at91_reset_data. It stores the value
that needs to be written in mode register so that the reboot actions
to happen. With these changes samx7_restart() 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.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index c653bd7ac29a..dc48f6850796 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -52,6 +52,7 @@ enum reset_type { struct at91_reset_data { int (*notifier_call)(struct notifier_block *this, unsigned long mode, void *cmd); + u32 args; }; struct at91_reset { @@ -59,6 +60,7 @@ struct at91_reset { void __iomem *ramc_base[2]; struct clk *sclk; struct notifier_block nb; + u32 args; }; /* @@ -90,7 +92,7 @@ static int at91sam9260_restart(struct notifier_block *this, unsigned long mode, "r" (reset->rstc_base), "r" (1), "r" cpu_to_le32(AT91_SDRAMC_LPCB_POWER_DOWN), - "r" cpu_to_le32(AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST)); + "r" (reset->args)); return NOTIFY_DONE; } @@ -135,7 +137,7 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, "r" (reset->rstc_base), "r" (1), "r" cpu_to_le32(AT91_DDRSDRC_LPCB_POWER_DOWN), - "r" cpu_to_le32(AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST) + "r" (reset->args) : "r0"); return NOTIFY_DONE; @@ -146,19 +148,7 @@ static int sama5d3_restart(struct notifier_block *this, unsigned long mode, { 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); - - return NOTIFY_DONE; -} - -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); + writel(reset->args, reset->rstc_base); return NOTIFY_DONE; } @@ -210,18 +200,22 @@ 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 = samx7_restart, + .notifier_call = sama5d3_restart, + .args = AT91_RSTC_KEY | AT91_RSTC_PROCRST, }; static const struct of_device_id at91_reset_of_match[] = { @@ -284,6 +278,7 @@ static int __init at91_reset_probe(struct platform_device *pdev) reset_data = match->data; reset->nb.notifier_call = reset_data->notifier_call; reset->nb.priority = 192; + reset->args = reset_data->args; reset->sclk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(reset->sclk)) |