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pata_cmd640: don't read CFR pointlessly

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cmd640_hardware_init() reads CFR but doesn't use the value read...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Sergei Shtylyov 2010-05-08 22:27:18 +04:00 committed by Jeff Garzik
parent e42a542ba9
commit 276a47a93d
1 changed files with 0 additions and 3 deletions
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3
drivers/ata/pata_cmd640.c
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@ -181,13 +181,10 @@ static struct ata_port_operations cmd640_port_ops = {
static void cmd640_hardware_init(struct pci_dev *pdev)
{
u8 r;
u8 ctrl;
/* CMD640 detected, commiserations */
pci_write_config_byte(pdev, 0x5B, 0x00);
/* Get version info */
pci_read_config_byte(pdev, CFR, &r);
/* PIO0 command cycles */
pci_write_config_byte(pdev, CMDTIM, 0);
/* 512 byte bursts (sector) */