2017-11-25 10:21:09

by Arvind Yadav

[permalink] [raw]
Subject: [PATCH v3] pata_pdc2027x: Remove unnecessary error check

Here, The function pdc_hardware_init always return zero. So it is not
necessary to check its return value.

Signed-off-by: Arvind Yadav <[email protected]>
---
changes in v2 :
Make function return type 'void' instead of 'int.
Add sapce between ':'.
changes in v3 :
Fix the checkpatch.pl errors in a sperate patch.

drivers/ata/pata_pdc2027x.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index 82bfd51..6348a83 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -649,7 +649,7 @@ static long pdc_detect_pll_input_clock(struct ata_host *host)
* @host: target ATA host
* @board_idx: board identifier
*/
-static int pdc_hardware_init(struct ata_host *host, unsigned int board_idx)
+static void pdc_hardware_init(struct ata_host *host, unsigned int board_idx)
{
long pll_clock;

@@ -665,8 +665,6 @@ static int pdc_hardware_init(struct ata_host *host, unsigned int board_idx)

/* Adjust PLL control register */
pdc_adjust_pll(host, pll_clock, board_idx);
-
- return 0;
}

/**
@@ -753,8 +751,7 @@ 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);

pci_set_master(pdev);
return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
@@ -778,8 +775,7 @@ static int pdc2027x_reinit_one(struct pci_dev *pdev)
else
board_idx = PDC_UDMA_133;

- if (pdc_hardware_init(host, board_idx))
- return -EIO;
+ pdc_hardware_init(host, board_idx);

ata_host_resume(host);
return 0;
--
2.7.4


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