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387a8cbdf8
If sdhci-s3c driver is built as module, it gives following error if inserted again after removing. This was happening as pm_runtime_use_autosuspend() is called in sdhci_s3c_probe() function but in sdhci_s3c_remove() its complementary pm_runtime_dont_use_autosuspend() is not called. BUG: spinlock bad magic on CPU#1, insmod/955 lock: 0xee771368, .magic: 00000000, .owner: insmod/955, .owner_cpu: 1 [<c00147e0>] (unwind_backtrace+0x0/0xf8) from [<c0136b40>] (do_raw_spin_unlock+0xa4/0xe4) [<c0136b40>] (do_raw_spin_unlock+0xa4/0xe4) from [<c01be508>] (_raw_spin_unlock_irqrestore+0xc/0x38) [<c01be508>] (_raw_spin_unlock_irqrestore+0xc/0x38) from [<c01a9334>] (sdhci_runtime_suspend_host+0x54/0x80) [<c01a9334>] (sdhci_runtime_suspend_host+0x54/0x80) from [<bf0060a8>] (sdhci_s3c_runtime_suspend+0x14/0x38 [sdhci_s3c]) [<bf0060a8>] (sdhci_s3c_runtime_suspend+0x14/0x38 [sdhci_s3c]) from [<c016cb00>] (pm_generic_runtime_suspend+0x2c/0x40) [<c016cb00>] (pm_generic_runtime_suspend+0x2c/0x40) from [<c0170090>] (__rpm_callback+0x70/0x98) [<c0170090>] (__rpm_callback+0x70/0x98) from [<c01703f0>] (rpm_suspend+0xf0/0x534) [<c01703f0>] (rpm_suspend+0xf0/0x534) from [<c0171670>] (__pm_runtime_suspend+0x5c/0x74) [<c0171670>] (__pm_runtime_suspend+0x5c/0x74) from [<c016d018>] (pm_generic_runtime_idle+0x44/0x4c) [<c016d018>] (pm_generic_runtime_idle+0x44/0x4c) from [<c0170090>] (__rpm_callback+0x70/0x98) [<c0170090>] (__rpm_callback+0x70/0x98) from [<c0170984>] (rpm_idle+0xdc/0x18c) [<c0170984>] (rpm_idle+0xdc/0x18c) from [<c0171608>] (pm_runtime_set_autosuspend_delay+0x30/0x3c) [<c0171608>] (pm_runtime_set_autosuspend_delay+0x30/0x3c) from [<bf0069c4>] (sdhci_s3c_probe+0x35c/0x52c [sdhci_s3c]) [<bf0069c4>] (sdhci_s3c_probe+0x35c/0x52c [sdhci_s3c]) from [<c016a014>] (platform_drv_probe+0x18/0x1c) Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org> |
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