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authorLinus Torvalds <torvalds@linux-foundation.org>2019-10-23 06:26:33 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2019-10-23 06:26:33 -0400
commit13b86bc4cd648eae69fdcf3d04b2750c76350053 (patch)
treed495a635f013aacf2053364a066d83a176328784 /drivers/amba
parente969c860d56345b2c2efd2bf2b6d8c716bdc1468 (diff)
parent39f4d441048444f38fcfcfb1aa3102c030544e86 (diff)
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
:Pull ARM fixes from Russell King: - fix for alignment faults under high memory pressure - use u32 for ARM instructions in fault handler - mark functions that must always be inlined with __always_inline - fix for nommu XIP - fix ARMv7M switch to handler mode in reboot path - fix the recently introduced AMBA reset control error paths * tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: 8926/1: v7m: remove register save to stack before svc ARM: 8914/1: NOMMU: Fix exc_ret for XIP ARM: 8908/1: add __always_inline to functions called from __get_user_check() ARM: mm: alignment: use "u32" for 32-bit instructions ARM: mm: fix alignment handler faults under memory pressure drivers/amba: fix reset control error handling
Diffstat (limited to 'drivers/amba')
-rw-r--r--drivers/amba/bus.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index f39f075abff9..fe1523664816 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -409,9 +409,11 @@ static int amba_device_try_add(struct amba_device *dev, struct resource *parent)
*/
rstc = of_reset_control_array_get_optional_shared(dev->dev.of_node);
if (IS_ERR(rstc)) {
- if (PTR_ERR(rstc) != -EPROBE_DEFER)
- dev_err(&dev->dev, "Can't get amba reset!\n");
- return PTR_ERR(rstc);
+ ret = PTR_ERR(rstc);
+ if (ret != -EPROBE_DEFER)
+ dev_err(&dev->dev, "can't get reset: %d\n",
+ ret);
+ goto err_reset;
}
reset_control_deassert(rstc);
reset_control_put(rstc);
@@ -472,6 +474,12 @@ static int amba_device_try_add(struct amba_device *dev, struct resource *parent)
release_resource(&dev->res);
err_out:
return ret;
+
+ err_reset:
+ amba_put_disable_pclk(dev);
+ iounmap(tmp);
+ dev_pm_domain_detach(&dev->dev, true);
+ goto err_release;
}
/*