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Subject[PATCH 4/8] net/fungible: Remove redundant pci_clear_master
Date
Remove pci_clear_master to simplify the code,
the bus-mastering is also cleared in do_pci_disable_device,
like this:
./drivers/pci/pci.c:2197
static void do_pci_disable_device(struct pci_dev *dev)
{
u16 pci_command;

pci_read_config_word(dev, PCI_COMMAND, &pci_command);
if (pci_command & PCI_COMMAND_MASTER) {
pci_command &= ~PCI_COMMAND_MASTER;
pci_write_config_word(dev, PCI_COMMAND, pci_command);
}

pcibios_disable_device(dev);
}.
And dev->is_busmaster is set to 0 in pci_disable_device.

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
---
drivers/net/ethernet/fungible/funcore/fun_dev.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/fungible/funcore/fun_dev.c b/drivers/net/ethernet/fungible/funcore/fun_dev.c
index 3680f83feba2..a7fbd4cd560a 100644
--- a/drivers/net/ethernet/fungible/funcore/fun_dev.c
+++ b/drivers/net/ethernet/fungible/funcore/fun_dev.c
@@ -746,7 +746,6 @@ void fun_dev_disable(struct fun_dev *fdev)
bitmap_free(fdev->irq_map);
pci_free_irq_vectors(pdev);

- pci_clear_master(pdev);
pci_disable_device(pdev);

fun_unmap_bars(fdev);
@@ -821,7 +820,6 @@ int fun_dev_enable(struct fun_dev *fdev, struct pci_dev *pdev,
disable_admin:
fun_disable_admin_queue(fdev);
free_irq_mgr:
- pci_clear_master(pdev);
bitmap_free(fdev->irq_map);
free_irqs:
pci_free_irq_vectors(pdev);
--
2.34.1
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