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>
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fcd0532fac
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51aa7d45f9
drivers/power/reset
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@ -50,8 +50,6 @@ enum reset_type {
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};
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};
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struct at91_reset_data {
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struct at91_reset_data {
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int (*notifier_call)(struct notifier_block *this, unsigned long mode,
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void *cmd);
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u32 args;
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u32 args;
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};
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};
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@ -69,38 +67,8 @@ struct at91_reset {
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* reset register it can be left driving the data bus and
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* reset register it can be left driving the data bus and
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* killing the chance of a subsequent boot from NAND
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* killing the chance of a subsequent boot from NAND
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*/
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*/
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static int at91sam9260_restart(struct notifier_block *this, unsigned long mode,
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static int at91_reset(struct notifier_block *this, unsigned long mode,
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void *cmd)
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void *cmd)
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{
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struct at91_reset *reset = container_of(this, struct at91_reset, nb);
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asm volatile(
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/* Align to cache lines */
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".balign 32\n\t"
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/* Disable SDRAM accesses */
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"str %2, [%0, #" __stringify(AT91_SDRAMC_TR) "]\n\t"
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/* Power down SDRAM */
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"str %3, [%0, %5]\n\t"
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/* Reset CPU */
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"str %4, [%1, #" __stringify(AT91_RSTC_CR) "]\n\t"
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"b .\n\t"
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:
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: "r" (reset->ramc_base[0]),
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"r" (reset->rstc_base),
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"r" (1),
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"r" cpu_to_le32(AT91_SDRAMC_LPCB_POWER_DOWN),
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"r" (reset->args),
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"r" (reset->ramc_lpr));
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return NOTIFY_DONE;
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}
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static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode,
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void *cmd)
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{
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{
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struct at91_reset *reset = container_of(this, struct at91_reset, nb);
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struct at91_reset *reset = container_of(this, struct at91_reset, nb);
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@ -137,16 +105,6 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode,
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return NOTIFY_DONE;
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return NOTIFY_DONE;
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}
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}
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static int sama5d3_restart(struct notifier_block *this, unsigned long mode,
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void *cmd)
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{
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struct at91_reset *reset = container_of(this, struct at91_reset, nb);
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writel(reset->args, reset->rstc_base);
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return NOTIFY_DONE;
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}
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static void __init at91_reset_status(struct platform_device *pdev,
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static void __init at91_reset_status(struct platform_device *pdev,
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void __iomem *base)
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void __iomem *base)
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{
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{
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@ -199,22 +157,18 @@ static const struct of_device_id at91_ramc_of_match[] = {
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};
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};
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static const struct at91_reset_data at91sam9260_reset_data = {
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static const struct at91_reset_data at91sam9260_reset_data = {
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.notifier_call = at91sam9260_restart,
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.args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST,
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.args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST,
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};
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};
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static const struct at91_reset_data at91sam9g45_reset_data = {
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static const struct at91_reset_data at91sam9g45_reset_data = {
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.notifier_call = at91sam9g45_restart,
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.args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST,
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.args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST,
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};
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};
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static const struct at91_reset_data sama5d3_reset_data = {
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static const struct at91_reset_data sama5d3_reset_data = {
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.notifier_call = sama5d3_restart,
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.args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST,
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.args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST,
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};
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};
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static const struct at91_reset_data samx7_reset_data = {
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static const struct at91_reset_data samx7_reset_data = {
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.notifier_call = sama5d3_restart,
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.args = AT91_RSTC_KEY | AT91_RSTC_PROCRST,
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.args = AT91_RSTC_KEY | AT91_RSTC_PROCRST,
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};
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};
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@ -277,7 +231,7 @@ static int __init at91_reset_probe(struct platform_device *pdev)
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match = of_match_node(at91_reset_of_match, pdev->dev.of_node);
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match = of_match_node(at91_reset_of_match, pdev->dev.of_node);
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reset_data = match->data;
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reset_data = match->data;
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reset->nb.notifier_call = reset_data->notifier_call;
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reset->nb.notifier_call = at91_reset;
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reset->nb.priority = 192;
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reset->nb.priority = 192;
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reset->args = reset_data->args;
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reset->args = reset_data->args;
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