From: Ahmad Fatoum <a.fatoum@pengutronix.de> To: barebox@lists.infradead.org Cc: Ahmad Fatoum <a.fatoum@pengutronix.de> Subject: [PATCH 1/7] sandbox: power: set $global.system.reset=POR on poweroff Date: Mon, 28 Jun 2021 08:45:11 +0200 Message-ID: <20210628064517.28636-2-a.fatoum@pengutronix.de> (raw) In-Reply-To: <20210628064517.28636-1-a.fatoum@pengutronix.de> Now that the stickypage is a regular hostfile, it survives poweroff. This $global.system.reset will only be POR on first boot. For subsequent boots, the power driver must itself take care to write POR to the nvmem cell. While at it remove two minor issues: - src_offset is unused - len is used to store a length into. Its original value is unused Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> --- arch/sandbox/board/power.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/arch/sandbox/board/power.c b/arch/sandbox/board/power.c index 3112c80348e7..aa778792c155 100644 --- a/arch/sandbox/board/power.c +++ b/arch/sandbox/board/power.c @@ -8,12 +8,15 @@ struct sandbox_power { struct restart_handler rst_hang, rst_reexec; + struct poweroff_handler poweroff; struct nvmem_cell *reset_source_cell; - u32 src_offset; }; static void sandbox_poweroff(struct poweroff_handler *poweroff) { + struct sandbox_power *power = container_of(poweroff, struct sandbox_power, poweroff); + + nvmem_cell_write(power->reset_source_cell, &(u8) { RESET_POR }, 1); linux_exit(); } @@ -36,10 +39,15 @@ static void sandbox_rst_reexec(struct restart_handler *rst) static int sandbox_power_probe(struct device_d *dev) { struct sandbox_power *power = xzalloc(sizeof(*power)); - size_t len = 1; + size_t len; u8 *rst; - poweroff_handler_register_fn(sandbox_poweroff); + power->poweroff = (struct poweroff_handler) { + .name = "exit", + .poweroff = sandbox_poweroff + }; + + poweroff_handler_register(&power->poweroff); power->rst_hang = (struct restart_handler) { .name = "hang", -- 2.30.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox
next prev parent reply other threads:[~2021-06-28 6:46 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-28 6:45 [PATCH 0/7] sandbox: turn into deep probe platform Ahmad Fatoum 2021-06-28 6:45 ` Ahmad Fatoum [this message] 2021-06-28 6:45 ` [PATCH 2/7] sandbox: fix probe order dependency between watchdog and power Ahmad Fatoum 2021-06-28 6:45 ` [PATCH 3/7] of: partition: implement of_partition_ensure_probed Ahmad Fatoum 2021-06-28 6:45 ` [PATCH 4/7] state: support deep probe Ahmad Fatoum 2021-06-28 6:45 ` [PATCH 5/7] nvmem: " Ahmad Fatoum 2021-06-28 6:45 ` [PATCH 6/7] sandbox: turn into deep probe platform Ahmad Fatoum 2021-06-28 6:45 ` [PATCH 7/7] Revert "sandbox: hostfile: move initcall to earlier postcore level" Ahmad Fatoum 2021-07-18 5:14 ` [PATCH 0/7] sandbox: turn into deep probe platform Sascha Hauer
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