Re: [PATCH] PCI: exynos: Remove unnecessary return statement

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On Thursday, November 13, 2014 1:30 AM, Srikanth Thokala wrote:
> 
> On Wed, Nov 12, 2014 at 8:55 AM, Jingoo Han <jg1.han@xxxxxxxxxxx> wrote:
> > This patch fixes the following checkpatch warning.
> >
> >   WARNING: void function return statements are not generally useful
> >
> > Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
> > ---
> >  drivers/pci/host/pci-exynos.c |    8 --------
> >  1 file changed, 8 deletions(-)
> >
> 
> Acked-by: Srikanth Thokala <sriku.linux@xxxxxxxxx>

Sorry, but your 'Acked-by' is NOT appropriate.
You are neither a maintainer nor those who contributed the patch
for Exynos PCIe driver. So, in this case, 'Reviewed-by' looks good
as below.

Reviewed-by: Srikanth Thokala <sriku.linux@xxxxxxxxx>

By the way, you submitted the Xilinx PCIe driver
(drivers/pci/host/pcie-xilinx.c). Thus, if someone send
the patch for Xilinx PCIe driver, you can give your Acked-by.

According to the 'Documentation/SubmittingPatches' file,

"If a person was not directly involved in the preparation or handling of a
patch but wishes to signify and record their approval of it then they can
arrange to have an Acked-by: line added to the patch's changelog.

Acked-by: is often used by the maintainer of the affected code when that
maintainer neither contributed to nor forwarded the patch."

My comment will be also applied to the patch "[PATCH] PCI: imx6: Use tabs
for indentation".

Thank you.

Best regards,
Jingoo Han

> 
> - Srikanth
> 
> > diff --git a/drivers/pci/host/pci-exynos.c b/drivers/pci/host/pci-exynos.c
> > index c5d0ca3..41ab139 100644
> > --- a/drivers/pci/host/pci-exynos.c
> > +++ b/drivers/pci/host/pci-exynos.c
> > @@ -312,7 +312,6 @@ static void exynos_pcie_assert_reset(struct pcie_port *pp)
> >         if (exynos_pcie->reset_gpio >= 0)
> >                 devm_gpio_request_one(pp->dev, exynos_pcie->reset_gpio,
> >                                 GPIOF_OUT_INIT_HIGH, "RESET");
> > -       return;
> >  }
> >
> >  static int exynos_pcie_establish_link(struct pcie_port *pp)
> > @@ -388,7 +387,6 @@ static void exynos_pcie_clear_irq_pulse(struct pcie_port *pp)
> >
> >         val = exynos_elb_readl(exynos_pcie, PCIE_IRQ_PULSE);
> >         exynos_elb_writel(exynos_pcie, val, PCIE_IRQ_PULSE);
> > -       return;
> >  }
> >
> >  static void exynos_pcie_enable_irq_pulse(struct pcie_port *pp)
> > @@ -400,7 +398,6 @@ static void exynos_pcie_enable_irq_pulse(struct pcie_port *pp)
> >         val = IRQ_INTA_ASSERT | IRQ_INTB_ASSERT |
> >                 IRQ_INTC_ASSERT | IRQ_INTD_ASSERT,
> >         exynos_elb_writel(exynos_pcie, val, PCIE_IRQ_EN_PULSE);
> > -       return;
> >  }
> >
> >  static irqreturn_t exynos_pcie_irq_handler(int irq, void *arg)
> > @@ -429,7 +426,6 @@ static void exynos_pcie_msi_init(struct pcie_port *pp)
> >         val = exynos_elb_readl(exynos_pcie, PCIE_IRQ_EN_LEVEL);
> >         val |= IRQ_MSI_ENABLE;
> >         exynos_elb_writel(exynos_pcie, val, PCIE_IRQ_EN_LEVEL);
> > -       return;
> >  }
> >
> >  static void exynos_pcie_enable_interrupts(struct pcie_port *pp)
> > @@ -438,8 +434,6 @@ static void exynos_pcie_enable_interrupts(struct pcie_port *pp)
> >
> >         if (IS_ENABLED(CONFIG_PCI_MSI))
> >                 exynos_pcie_msi_init(pp);
> > -
> > -       return;
> >  }
> >
> >  static inline void exynos_pcie_readl_rc(struct pcie_port *pp,
> > @@ -448,7 +442,6 @@ static inline void exynos_pcie_readl_rc(struct pcie_port *pp,
> >         exynos_pcie_sideband_dbi_r_mode(pp, true);
> >         *val = readl(dbi_base);
> >         exynos_pcie_sideband_dbi_r_mode(pp, false);
> > -       return;
> >  }
> >
> >  static inline void exynos_pcie_writel_rc(struct pcie_port *pp,
> > @@ -457,7 +450,6 @@ static inline void exynos_pcie_writel_rc(struct pcie_port *pp,
> >         exynos_pcie_sideband_dbi_w_mode(pp, true);
> >         writel(val, dbi_base);
> >         exynos_pcie_sideband_dbi_w_mode(pp, false);
> > -       return;
> >  }
> >
> >  static int exynos_pcie_rd_own_conf(struct pcie_port *pp, int where, int size,
> > --
> > 1.7.9.5
> >
> >
> > --
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