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88 lines
2.5 KiB
Diff
88 lines
2.5 KiB
Diff
From e41d00bdaa31b36fd314e927104082615aa4643a Mon Sep 17 00:00:00 2001
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From: Claudiu Beznea <claudiu.beznea@microchip.com>
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Date: Thu, 15 Apr 2021 13:49:47 +0300
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Subject: [PATCH 197/247] ARM: at91: pm: move pm_bu to soc_pm data structure
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Move pm_bu to soc_pm data structure.
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Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
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Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
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Link: https://lore.kernel.org/r/20210415105010.569620-2-claudiu.beznea@microchip.com
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---
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arch/arm/mach-at91/pm.c | 34 +++++++++++++++++++++-------------
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1 file changed, 21 insertions(+), 13 deletions(-)
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--- a/arch/arm/mach-at91/pm.c
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+++ b/arch/arm/mach-at91/pm.c
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@@ -27,10 +27,25 @@
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#include "generic.h"
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#include "pm.h"
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+/**
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+ * struct at91_pm_bu - AT91 power management backup unit data structure
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+ * @suspended: true if suspended to backup mode
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+ * @reserved: reserved
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+ * @canary: canary data for memory checking after exit from backup mode
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+ * @resume: resume API
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+ */
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+struct at91_pm_bu {
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+ int suspended;
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+ unsigned long reserved;
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+ phys_addr_t canary;
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+ phys_addr_t resume;
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+};
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+
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struct at91_soc_pm {
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int (*config_shdwc_ws)(void __iomem *shdwc, u32 *mode, u32 *polarity);
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int (*config_pmc_ws)(void __iomem *pmc, u32 mode, u32 polarity);
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const struct of_device_id *ws_ids;
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+ struct at91_pm_bu *bu;
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struct at91_pm_data data;
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};
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@@ -71,13 +86,6 @@ static int at91_pm_valid_state(suspend_s
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static int canary = 0xA5A5A5A5;
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-static struct at91_pm_bu {
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- int suspended;
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- unsigned long reserved;
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- phys_addr_t canary;
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- phys_addr_t resume;
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-} *pm_bu;
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-
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struct wakeup_source_info {
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unsigned int pmc_fsmr_bit;
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unsigned int shdwc_mr_bit;
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@@ -288,7 +296,7 @@ static int at91_suspend_finish(unsigned
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static void at91_pm_suspend(suspend_state_t state)
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{
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if (soc_pm.data.mode == AT91_PM_BACKUP) {
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- pm_bu->suspended = 1;
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+ soc_pm.bu->suspended = 1;
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cpu_suspend(0, at91_suspend_finish);
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@@ -672,16 +680,16 @@ static int __init at91_pm_backup_init(vo
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goto securam_fail;
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}
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- pm_bu = (void *)gen_pool_alloc(sram_pool, sizeof(struct at91_pm_bu));
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- if (!pm_bu) {
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+ soc_pm.bu = (void *)gen_pool_alloc(sram_pool, sizeof(struct at91_pm_bu));
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+ if (!soc_pm.bu) {
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pr_warn("%s: unable to alloc securam!\n", __func__);
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ret = -ENOMEM;
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goto securam_fail;
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}
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- pm_bu->suspended = 0;
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- pm_bu->canary = __pa_symbol(&canary);
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- pm_bu->resume = __pa_symbol(cpu_resume);
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+ soc_pm.bu->suspended = 0;
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+ soc_pm.bu->canary = __pa_symbol(&canary);
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+ soc_pm.bu->resume = __pa_symbol(cpu_resume);
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return 0;
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