diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0484-soc-bcm-bcm2835-pm-Fix-PM_IMAGE_PERI-power-domain-su.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0484-soc-bcm-bcm2835-pm-Fix-PM_IMAGE_PERI-power-domain-su.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0484-soc-bcm-bcm2835-pm-Fix-PM_IMAGE_PERI-power-domain-su.patch b/target/linux/brcm2708/patches-4.19/950-0484-soc-bcm-bcm2835-pm-Fix-PM_IMAGE_PERI-power-domain-su.patch new file mode 100644 index 0000000000..05ae67aeee --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0484-soc-bcm-bcm2835-pm-Fix-PM_IMAGE_PERI-power-domain-su.patch @@ -0,0 +1,45 @@ +From ea44a81b7daf511788aecaee7575feff359c5d19 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Fri, 11 Jan 2019 17:29:10 -0800 +Subject: [PATCH] soc: bcm: bcm2835-pm: Fix PM_IMAGE_PERI power domain + support. + +We don't have ASB master/slave regs for this domain, so just skip that +step. + +Signed-off-by: Eric Anholt <eric@anholt.net> +Fixes: 670c672608a1 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding.") +--- + drivers/soc/bcm/bcm2835-power.c | 14 ++++++++++++-- + 1 file changed, 12 insertions(+), 2 deletions(-) + +--- a/drivers/soc/bcm/bcm2835-power.c ++++ b/drivers/soc/bcm/bcm2835-power.c +@@ -150,7 +150,12 @@ struct bcm2835_power { + + static int bcm2835_asb_enable(struct bcm2835_power *power, u32 reg) + { +- u64 start = ktime_get_ns(); ++ u64 start; ++ ++ if (!reg) ++ return 0; ++ ++ start = ktime_get_ns(); + + /* Enable the module's async AXI bridges. */ + ASB_WRITE(reg, ASB_READ(reg) & ~ASB_REQ_STOP); +@@ -165,7 +170,12 @@ static int bcm2835_asb_enable(struct bcm + + static int bcm2835_asb_disable(struct bcm2835_power *power, u32 reg) + { +- u64 start = ktime_get_ns(); ++ u64 start; ++ ++ if (!reg) ++ return 0; ++ ++ start = ktime_get_ns(); + + /* Enable the module's async AXI bridges. */ + ASB_WRITE(reg, ASB_READ(reg) | ASB_REQ_STOP); |