When compiling with CONFIG_DEBUG_FS=n, GCC emits an unused
variable warning for pmc_atom.c because "ret" is used only
within the CONFIG_DEBUG_FS block.
This patch adds a dummy #ifdef for pmc_dbgfs_register() when
CONFIG_DEBUG_FS=n to simplify the code and remove the warning.
Signed-off-by: Martin Kelly <martkell@amazon.com>
Acked-by: "Li, Aubrey" <aubrey.li@linux.intel.com>
Cc: vishwesh.m.rudramuni@intel.com
Link: http://lkml.kernel.org/r/1410963476-8360-1-git-send-email-martin@martingkelly.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
pmc_dbgfs_unregister(pmc);
return -ENODEV;
}
+#else
+static int pmc_dbgfs_register(struct pmc_dev *pmc, struct pci_dev *pdev)
+{
+ return 0;
+}
#endif /* CONFIG_DEBUG_FS */
static int pmc_setup_dev(struct pci_dev *pdev)
/* PMC hardware registers setup */
pmc_hw_reg_setup(pmc);
-#ifdef CONFIG_DEBUG_FS
ret = pmc_dbgfs_register(pmc, pdev);
if (ret) {
iounmap(pmc->regmap);
- return ret;
}
-#endif /* CONFIG_DEBUG_FS */
- return 0;
+
+ return ret;
}
/*