amba: Fixes for v6.19-rc1

Fix a device leak. Could go into v6.18 as a fix, but since this problem
 has existed for a long time and nobody has reported it before it doesn't
 seem critical enough and sufficient to get it into 6.19 and then
 backported.
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Merge tag 'tegra-for-6.19-core' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers

amba: Fixes for v6.19-rc1

Fix a device leak. Could go into v6.18 as a fix, but since this problem
has existed for a long time and nobody has reported it before it doesn't
seem critical enough and sufficient to get it into 6.19 and then
backported.

* tag 'tegra-for-6.19-core' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  amba: tegra-ahb: Fix device leak on SMMU enable

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/amba/tegra-ahb.c

@@ -144,6 +144,7 @@ int tegra_ahb_enable_smmu(struct device_node *dn)
 	if (!dev)
 		return -EPROBE_DEFER;
 	ahb = dev_get_drvdata(dev);
+	put_device(dev);
 	val = gizmo_readl(ahb, AHB_ARBITRATION_XBAR_CTRL);
 	val |= AHB_ARBITRATION_XBAR_CTRL_SMMU_INIT_DONE;
 	gizmo_writel(ahb, val, AHB_ARBITRATION_XBAR_CTRL);