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SubjectRe: [PATCH] pata_pdc2027x: Remove unnecessary error check and coding style error.
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On Sat, 2017-11-25 at 09:45 +0530, Arvind Yadav wrote:
> Here, The function pdc_hardware_init always return zero. So it is not
> necessary to check its return value.
>
> Fix these checkpatch.pl error:
>
> ERROR: space prohibited after that '~' (ctx:WxW)
> + mask &= ~ (1 << (6 + ATA_SHIFT_UDMA));
>
> ERROR: spaces required around that '?' (ctx:VxW)
> + long pout_required = board_idx? PDC_133_MHZ:PDC_100_MHZ;
>
> ERROR: that open brace { should be on the previous line
> + const struct ata_port_info *ppi[] =
> + { &pdc2027x_port_info[board_idx], NULL };
[]
> diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
[]
> @@ -520,7 +520,7 @@ static void pdc_adjust_pll(struct ata_host *host, long pll_clock, unsigned int b
> void __iomem *mmio_base = host->iomap[PDC_MMIO_BAR];
> u16 pll_ctl;
> long pll_clock_khz = pll_clock / 1000;
> - long pout_required = board_idx? PDC_133_MHZ:PDC_100_MHZ;
> + long pout_required = board_idx ? PDC_133_MHZ:PDC_100_MHZ;

If spaces are used around the ?, use spaces around the : too

> @@ -753,8 +753,7 @@ static int pdc2027x_init_one(struct pci_dev *pdev,
> //pci_enable_intx(pdev);
>
> /* initialize adapter */
> - if (pdc_hardware_init(host, board_idx) != 0)
> - return -EIO;
> + pdc_hardware_init(host, board_idx);

If this is so, then please make the function return void

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