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Date: Fri, 19 Sep 2014 04:48:53 -0700 From: tip-bot for Martin Kelly <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org, martin@...tingkelly.com, tglx@...utronix.de, aubrey.li@...ux.intel.com, martkell@...zon.com Subject: [tip:x86/platform] x86/platform/pmc_atom: Fix warning when CONFIG_DEBUG_FS=n Commit-ID: 9575a6a23a8081bc4c9d47d001621e2af0957c02 Gitweb: http://git.kernel.org/tip/9575a6a23a8081bc4c9d47d001621e2af0957c02 Author: Martin Kelly <martin@...tingkelly.com> AuthorDate: Wed, 17 Sep 2014 07:17:56 -0700 Committer: Ingo Molnar <mingo@...nel.org> CommitDate: Fri, 19 Sep 2014 13:02:21 +0200 x86/platform/pmc_atom: Fix warning when CONFIG_DEBUG_FS=n 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@...zon.com> Acked-by: "Li, Aubrey" <aubrey.li@...ux.intel.com> Cc: vishwesh.m.rudramuni@...el.com Link: http://lkml.kernel.org/r/1410963476-8360-1-git-send-email-martin@martingkelly.com Signed-off-by: Ingo Molnar <mingo@...nel.org> --- arch/x86/kernel/pmc_atom.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/pmc_atom.c b/arch/x86/kernel/pmc_atom.c index 0c424a6..0ee5025e 100644 --- a/arch/x86/kernel/pmc_atom.c +++ b/arch/x86/kernel/pmc_atom.c @@ -235,6 +235,11 @@ err: 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) @@ -262,14 +267,12 @@ 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; } /* -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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