diff options
Diffstat (limited to 'debian/patches/features/all/ethernet-microsoft/0016-net-mana-Remove-redundant-pci_clear_master.patch')
| -rw-r--r-- | debian/patches/features/all/ethernet-microsoft/0016-net-mana-Remove-redundant-pci_clear_master.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/debian/patches/features/all/ethernet-microsoft/0016-net-mana-Remove-redundant-pci_clear_master.patch b/debian/patches/features/all/ethernet-microsoft/0016-net-mana-Remove-redundant-pci_clear_master.patch new file mode 100644 index 000000000..c0bd34da8 --- /dev/null +++ b/debian/patches/features/all/ethernet-microsoft/0016-net-mana-Remove-redundant-pci_clear_master.patch @@ -0,0 +1,54 @@ +From 0022db71934d56cc601cacee4c1e414d7f3cbb37 Mon Sep 17 00:00:00 2001 +From: Cai Huoqing <cai.huoqing@linux.dev> +Date: Thu, 23 Mar 2023 17:03:05 +0800 +Subject: [PATCH 16/23] net: mana: 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 <cai.huoqing@linux.dev> +Signed-off-by: David S. Miller <davem@davemloft.net> +(cherry picked from commit 2d59af8307526f2829fdec9c5c5898a857d55180) +Signed-off-by: Bastian Blank <waldi@debian.org> +--- + drivers/net/ethernet/microsoft/mana/gdma_main.c | 2 -- + 1 file changed, 2 deletions(-) + +diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c +index 5b7fddfc9ff1..97a1845c676a 100644 +--- a/drivers/net/ethernet/microsoft/mana/gdma_main.c ++++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c +@@ -1440,7 +1440,6 @@ static int mana_gd_probe(struct pci_dev *pdev, const struct pci_device_id *ent) + release_region: + pci_release_regions(pdev); + disable_dev: +- pci_clear_master(pdev); + pci_disable_device(pdev); + dev_err(&pdev->dev, "gdma probe failed: err = %d\n", err); + return err; +@@ -1459,7 +1458,6 @@ static void mana_gd_remove(struct pci_dev *pdev) + vfree(gc); + + pci_release_regions(pdev); +- pci_clear_master(pdev); + pci_disable_device(pdev); + } + +-- +2.40.1 + |