| Message ID | 20220831073032.1409291-1-gregkh@linuxfoundation.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | USB: hcd: remove unused hcd_name variables | expand |
On Wed, Aug 31, 2022 at 09:30:32AM +0200, Greg Kroah-Hartman wrote: > In the commit 10174220f55a ("usb: reduce kernel log spam on driver > registration") a lot of unneeded kernel log messages were removed, but > that caused a few build warnings to show up where the variable > `hcd_name` was being set but never used anymore. > > Resolve this by just removing these variables as they are not needed > anymore > > Reported-by: kernel test robot <lkp@intel.com> > Cc: Ard Biesheuvel <ardb@kernel.org> > Cc: Alan Stern <stern@rowland.harvard.edu> > Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > Cc: Alim Akhtar <alim.akhtar@samsung.com> > Cc: Rob Herring <robh@kernel.org> > Cc: linux-usb@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-samsung-soc@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Fixes: 10174220f55a ("usb: reduce kernel log spam on driver registration") > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > --- > drivers/usb/host/ehci-exynos.c | 1 - > drivers/usb/host/ehci-platform.c | 2 -- > drivers/usb/host/ohci-platform.c | 2 -- > 3 files changed, 5 deletions(-) This isn't enough, as you can see from this kernel test robot excerpt: clang_recent_errors |-- arm-s5pv210_defconfig | |-- drivers-usb-host-ehci-exynos.c:warning:unused-variable-hcd_name | `-- drivers-usb-host-ohci-exynos.c:warning:unused-variable-hcd_name |-- hexagon-randconfig-r024-20220830 | |-- drivers-usb-host-ehci-atmel.c:warning:unused-variable-hcd_name | |-- drivers-usb-host-ehci-exynos.c:warning:unused-variable-hcd_name | |-- drivers-usb-host-ehci-orion.c:warning:unused-variable-hcd_name | |-- drivers-usb-host-ehci-platform.c:warning:unused-variable-hcd_name | |-- drivers-usb-host-ehci-spear.c:warning:unused-variable-hcd_name | `-- drivers-usb-host-ohci-platform.c:warning:unused-variable-hcd_name |-- hexagon-randconfig-r036-20220830 | |-- drivers-usb-host-ehci-atmel.c:warning:unused-variable-hcd_name | |-- drivers-usb-host-ehci-npcm7xx.c:warning:unused-variable-hcd_name | |-- drivers-usb-host-ehci-platform.c:warning:unused-variable-hcd_name | |-- drivers-usb-host-ehci-st.c:warning:unused-variable-hcd_name | |-- drivers-usb-host-ohci-at91.c:warning:unused-variable-hcd_name | |-- drivers-usb-host-ohci-platform.c:warning:unused-variable-hcd_name | |-- drivers-usb-host-ohci-s3c2410.c:warning:unused-variable-hcd_name | |-- drivers-usb-host-ohci-spear.c:warning:unused-variable-hcd_name | `-- drivers-usb-host-ohci-st.c:warning:unused-variable-hcd_name Yes, it has duplicates and your patch handles some of these. But there are others that still need to be fixed. Also, this list is missing ohci-pxa27x.c. Alan Stern
On Wed, Aug 31, 2022 at 10:21:36AM -0400, Alan Stern wrote: > On Wed, Aug 31, 2022 at 09:30:32AM +0200, Greg Kroah-Hartman wrote: > > In the commit 10174220f55a ("usb: reduce kernel log spam on driver > > registration") a lot of unneeded kernel log messages were removed, but > > that caused a few build warnings to show up where the variable > > `hcd_name` was being set but never used anymore. > > > > Resolve this by just removing these variables as they are not needed > > anymore > > > > Reported-by: kernel test robot <lkp@intel.com> > > Cc: Ard Biesheuvel <ardb@kernel.org> > > Cc: Alan Stern <stern@rowland.harvard.edu> > > Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > > Cc: Alim Akhtar <alim.akhtar@samsung.com> > > Cc: Rob Herring <robh@kernel.org> > > Cc: linux-usb@vger.kernel.org > > Cc: linux-arm-kernel@lists.infradead.org > > Cc: linux-samsung-soc@vger.kernel.org > > Cc: linux-kernel@vger.kernel.org > > Fixes: 10174220f55a ("usb: reduce kernel log spam on driver registration") > > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > > --- > > drivers/usb/host/ehci-exynos.c | 1 - > > drivers/usb/host/ehci-platform.c | 2 -- > > drivers/usb/host/ohci-platform.c | 2 -- > > 3 files changed, 5 deletions(-) > > This isn't enough, as you can see from this kernel test robot excerpt: > > clang_recent_errors > |-- arm-s5pv210_defconfig > | |-- drivers-usb-host-ehci-exynos.c:warning:unused-variable-hcd_name > | `-- drivers-usb-host-ohci-exynos.c:warning:unused-variable-hcd_name > |-- hexagon-randconfig-r024-20220830 > | |-- drivers-usb-host-ehci-atmel.c:warning:unused-variable-hcd_name > | |-- drivers-usb-host-ehci-exynos.c:warning:unused-variable-hcd_name > | |-- drivers-usb-host-ehci-orion.c:warning:unused-variable-hcd_name > | |-- > drivers-usb-host-ehci-platform.c:warning:unused-variable-hcd_name > | |-- drivers-usb-host-ehci-spear.c:warning:unused-variable-hcd_name > | `-- > drivers-usb-host-ohci-platform.c:warning:unused-variable-hcd_name > |-- hexagon-randconfig-r036-20220830 > | |-- drivers-usb-host-ehci-atmel.c:warning:unused-variable-hcd_name > | |-- drivers-usb-host-ehci-npcm7xx.c:warning:unused-variable-hcd_name > | |-- > drivers-usb-host-ehci-platform.c:warning:unused-variable-hcd_name > | |-- drivers-usb-host-ehci-st.c:warning:unused-variable-hcd_name > | |-- drivers-usb-host-ohci-at91.c:warning:unused-variable-hcd_name > | |-- > drivers-usb-host-ohci-platform.c:warning:unused-variable-hcd_name > | |-- drivers-usb-host-ohci-s3c2410.c:warning:unused-variable-hcd_name > | |-- drivers-usb-host-ohci-spear.c:warning:unused-variable-hcd_name > | `-- drivers-usb-host-ohci-st.c:warning:unused-variable-hcd_name > > Yes, it has duplicates and your patch handles some of these. But there > are others that still need to be fixed. Also, this list is missing > ohci-pxa27x.c. Ick, ok, I went off of a different kbuild report. Let me fix this up later today... greg k-h
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index a65e365e3a04..c8e152c2e0ce 100644 --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -32,7 +32,6 @@ (EHCI_INSNREG00_ENA_INCR16 | EHCI_INSNREG00_ENA_INCR8 | \ EHCI_INSNREG00_ENA_INCR4 | EHCI_INSNREG00_ENA_INCRX_ALIGN) -static const char hcd_name[] = "ehci-exynos"; static struct hc_driver __read_mostly exynos_ehci_hc_driver; #define PHY_NUMBER 3 diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index 50491eea9409..fe497c876d76 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -53,8 +53,6 @@ struct ehci_platform_priv { struct delayed_work poll_work; }; -static const char hcd_name[] = "ehci-platform"; - static int ehci_platform_reset(struct usb_hcd *hcd) { struct platform_device *pdev = to_platform_device(hcd->self.controller); diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index 6d56b52966c7..4e7946024ce7 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -41,8 +41,6 @@ struct ohci_platform_priv { struct reset_control *resets; }; -static const char hcd_name[] = "ohci-platform"; - static int ohci_platform_power_on(struct platform_device *dev) { struct usb_hcd *hcd = platform_get_drvdata(dev);
In the commit 10174220f55a ("usb: reduce kernel log spam on driver registration") a lot of unneeded kernel log messages were removed, but that caused a few build warnings to show up where the variable `hcd_name` was being set but never used anymore. Resolve this by just removing these variables as they are not needed anymore Reported-by: kernel test robot <lkp@intel.com> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Rob Herring <robh@kernel.org> Cc: linux-usb@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Fixes: 10174220f55a ("usb: reduce kernel log spam on driver registration") Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/usb/host/ehci-exynos.c | 1 - drivers/usb/host/ehci-platform.c | 2 -- drivers/usb/host/ohci-platform.c | 2 -- 3 files changed, 5 deletions(-)