diff options
| author | Claudiu.Beznea@microchip.com <Claudiu.Beznea@microchip.com> | 2020-01-21 10:03:29 +0000 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2020-03-08 19:37:15 +0100 |
| commit | b2a16610f2ba72468b4a7ac1e462af1e9c70bae8 (patch) | |
| tree | 2a0d36842d267e72600ed6dba86baaa14cda8ac3 /drivers | |
| parent | 9c80662a74cd2a5d1113f5c69d027face963a556 (diff) | |
power: reset: at91-reset: introduce struct at91_reset
Introduce struct at91_reset intended to keep all the at91 reset controller
data.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/reset/at91-reset.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index d94e3267c3b6..2df0610e5527 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -49,7 +49,13 @@ enum reset_type { RESET_TYPE_ULP2 = 8, }; -static void __iomem *at91_ramc_base[2], *at91_rstc_base; +struct at91_reset { + void __iomem *rstc_base; +}; + +static struct at91_reset reset; + +static void __iomem *at91_ramc_base[2]; static struct clk *sclk; /* @@ -76,7 +82,7 @@ static int at91sam9260_restart(struct notifier_block *this, unsigned long mode, "b .\n\t" : : "r" (at91_ramc_base[0]), - "r" (at91_rstc_base), + "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)); @@ -119,7 +125,7 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, : : "r" (at91_ramc_base[0]), "r" (at91_ramc_base[1]), - "r" (at91_rstc_base), + "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) @@ -131,8 +137,8 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, static int sama5d3_restart(struct notifier_block *this, unsigned long mode, void *cmd) { - writel(AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST, - at91_rstc_base); + writel(cpu_to_le32(AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST), + reset.rstc_base); return NOTIFY_DONE; } @@ -140,14 +146,16 @@ static int sama5d3_restart(struct notifier_block *this, unsigned long mode, static int samx7_restart(struct notifier_block *this, unsigned long mode, void *cmd) { - writel(AT91_RSTC_KEY | AT91_RSTC_PROCRST, at91_rstc_base); + writel(cpu_to_le32(AT91_RSTC_KEY | AT91_RSTC_PROCRST), + reset.rstc_base); + return NOTIFY_DONE; } static void __init at91_reset_status(struct platform_device *pdev) { const char *reason; - u32 reg = readl(at91_rstc_base + AT91_RSTC_SR); + u32 reg = readl(reset.rstc_base + AT91_RSTC_SR); switch ((reg & AT91_RSTC_RSTTYP) >> 8) { case RESET_TYPE_GENERAL: @@ -208,8 +216,8 @@ static int __init at91_reset_probe(struct platform_device *pdev) struct device_node *np; int ret, idx = 0; - at91_rstc_base = of_iomap(pdev->dev.of_node, 0); - if (!at91_rstc_base) { + reset.rstc_base = of_iomap(pdev->dev.of_node, 0); + if (!reset.rstc_base) { dev_err(&pdev->dev, "Could not map reset controller address\n"); return -ENODEV; } |