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author | Claudiu.Beznea@microchip.com <Claudiu.Beznea@microchip.com> | 2020-01-21 10:03:38 +0000 |
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committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2020-03-08 19:38:04 +0100 |
commit | 51aa7d45f905ca03d3c61d32a09537903a7ea707 (patch) | |
tree | 2e4fb0075712451bad10ff3e55abc057fbbfa28e | |
parent | fcd0532fac2ac82cec6d7b43298c8ecfc93e1049 (diff) | |
download | linux-stable-51aa7d45f905ca03d3c61d32a09537903a7ea707.tar.gz linux-stable-51aa7d45f905ca03d3c61d32a09537903a7ea707.tar.bz2 linux-stable-51aa7d45f905ca03d3c61d32a09537903a7ea707.zip |
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>
-rw-r--r-- | drivers/power/reset/at91-reset.c | 52 |
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; |