2015-02-10 22:58 GMT+09:00 Gilad Broner <gbroner@xxxxxxxxxxxxxx>:
> @@ -5760,6 +5963,8 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
>
> async_schedule(ufshcd_async_scan, hba);
>
> + UFSDBG_ADD_DEBUGFS(hba);
> +
> return 0;
>
> out_remove_scsi_host:
> @@ -5769,6 +5974,7 @@ exit_gating:
> out_disable:
> hba->is_irq_enabled = false;
> scsi_host_put(host);
> + UFSDBG_REMOVE_DEBUGFS(hba);
> ufshcd_hba_exit(hba);
> out_error:
> return err;
UFSDBG_REMOVE_DEBUGFS() is not called in the driver unloading path.
So ufs debugfs directory is not removed when unloading driver. It
should be called in ufshcd_remove().
BTW, do we really need UFSDBG_ADD_DEBUGFS() and UFSDBG_REMOVE_DEBUGFS()
macros?
We can use static inline functions in ufs-debugfs.h when !CONFIG_DEBUG_FS.
#ifdef CONFIG_DEBUG_FS
void ufsdbg_add_debugfs(struct ufs_hba *hba);
void ufsdbg_remove_debugfs(struct ufs_hba *hba);
#else
static inline void ufsdbg_add_debugfs(struct ufs_hba *hba)
{
}
static inline void ufsdbg_remove_debugfs(struct ufs_hba *hba)
{
}
#endif
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