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| author | Cai Huoqing <[email protected]> | 2023-03-23 19:33:17 +0800 |
|---|---|---|
| committer | Marc Kleine-Budde <[email protected]> | 2023-03-24 19:11:20 +0100 |
| commit | 8db931835fad6a2229166fc0719f55c5ba070516 (patch) | |
| tree | 709211f74f22786ee5541d8b5e27bfaffcd56c89 /tools/perf/scripts/python/check-perf-trace.py | |
| parent | c9d23f9657cabfd2836a096bf6eddf8df2cf1434 (diff) | |
can: kvaser_pciefd: Remove redundant pci_clear_master
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 <[email protected]>
Link: https://lore.kernel.org/all/[email protected]
Signed-off-by: Marc Kleine-Budde <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/check-perf-trace.py')
0 files changed, 0 insertions, 0 deletions