pata_cmd640: don't read CFR pointlessly

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>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/ata/pata_cmd640.c b/drivers/ata/pata_cmd640.c
index 45896b3c6538..7d2fac645b4c 100644
--- a/drivers/ata/pata_cmd640.c
+++ b/drivers/ata/pata_cmd640.c
@@ -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) */