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4295485719
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709) Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
46 lines
1.3 KiB
Diff
46 lines
1.3 KiB
Diff
From 81f47bb7d51490b62ba2fad6c0be42bf0e4e13a2 Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Fri, 11 Jan 2019 17:29:10 -0800
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Subject: [PATCH 562/703] soc: bcm: bcm2835-pm: Fix PM_IMAGE_PERI power domain
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support.
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We don't have ASB master/slave regs for this domain, so just skip that
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step.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Fixes: 670c672608a1 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding.")
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---
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drivers/soc/bcm/bcm2835-power.c | 14 ++++++++++++--
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1 file changed, 12 insertions(+), 2 deletions(-)
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--- a/drivers/soc/bcm/bcm2835-power.c
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+++ b/drivers/soc/bcm/bcm2835-power.c
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@@ -150,7 +150,12 @@ struct bcm2835_power {
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static int bcm2835_asb_enable(struct bcm2835_power *power, u32 reg)
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{
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- u64 start = ktime_get_ns();
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+ u64 start;
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+
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+ if (!reg)
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+ return 0;
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+
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+ start = ktime_get_ns();
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/* Enable the module's async AXI bridges. */
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ASB_WRITE(reg, ASB_READ(reg) & ~ASB_REQ_STOP);
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@@ -165,7 +170,12 @@ static int bcm2835_asb_enable(struct bcm
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static int bcm2835_asb_disable(struct bcm2835_power *power, u32 reg)
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{
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- u64 start = ktime_get_ns();
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+ u64 start;
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+
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+ if (!reg)
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+ return 0;
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+
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+ start = ktime_get_ns();
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/* Enable the module's async AXI bridges. */
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ASB_WRITE(reg, ASB_READ(reg) | ASB_REQ_STOP);
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