Re: linux-next: manual merge of the net-next tree with the pci tree

From: Stephen Rothwell
Date: Sun Jul 02 2017 - 21:49:47 EST


Hi all,

With the merge window opening, just a reminder that this conflict still
exists.

On Wed, 21 Jun 2017 11:54:43 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Today's linux-next merge of the net-next tree got a conflict in:
>
> drivers/net/wireless/marvell/mwifiex/pcie.c
>
> between commit:
>
> c336cc0ee4eb ("PCI: Split ->reset_notify() method into ->reset_prepare() and ->reset_done()")
>
> from the pci tree and commit:
>
> 68efd0386988 ("mwifiex: pcie: stop setting/clearing 'surprise_removed'")
>
> from the net-next tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
>
> --
> Cheers,
> Stephen Rothwell
>
> diff --cc drivers/net/wireless/marvell/mwifiex/pcie.c
> index 279adf124fc9,b53ecf1eddda..000000000000
> --- a/drivers/net/wireless/marvell/mwifiex/pcie.c
> +++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
> @@@ -361,48 -359,35 +361,46 @@@ static void mwifiex_pcie_reset_prepare(
> }
>
> mwifiex_dbg(adapter, INFO,
> - "%s: vendor=0x%4.04x device=0x%4.04x rev=%d %s\n",
> - __func__, pdev->vendor, pdev->device,
> - pdev->revision,
> - prepare ? "Pre-FLR" : "Post-FLR");
> -
> - if (prepare) {
> - /* Kernel would be performing FLR after this notification.
> - * Cleanup all software without cleaning anything related to
> - * PCIe and HW.
> - */
> - mwifiex_shutdown_sw(adapter);
> - clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags);
> - clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags);
> - } else {
> - /* Kernel stores and restores PCIe function context before and
> - * after performing FLR respectively. Reconfigure the software
> - * and firmware including firmware redownload
> - */
> - ret = mwifiex_reinit_sw(adapter);
> - if (ret) {
> - dev_err(&pdev->dev, "reinit failed: %d\n", ret);
> - return;
> - }
> - }
> + "%s: vendor=0x%4.04x device=0x%4.04x rev=%d Pre-FLR\n",
> + __func__, pdev->vendor, pdev->device, pdev->revision);
> +
> + mwifiex_shutdown_sw(adapter);
> - adapter->surprise_removed = true;
> + clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags);
> + clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags);
> mwifiex_dbg(adapter, INFO, "%s, successful\n", __func__);
> }
>
> -static const struct pci_error_handlers mwifiex_pcie_err_handler[] = {
> - { .reset_notify = mwifiex_pcie_reset_notify, },
> +/*
> + * Kernel stores and restores PCIe function context before and after performing
> + * FLR respectively. Reconfigure the software and firmware including firmware
> + * redownload.
> + */
> +static void mwifiex_pcie_reset_done(struct pci_dev *pdev)
> +{
> + struct pcie_service_card *card = pci_get_drvdata(pdev);
> + struct mwifiex_adapter *adapter = card->adapter;
> + int ret;
> +
> + if (!adapter) {
> + dev_err(&pdev->dev, "%s: adapter structure is not valid\n",
> + __func__);
> + return;
> + }
> +
> + mwifiex_dbg(adapter, INFO,
> + "%s: vendor=0x%4.04x device=0x%4.04x rev=%d Post-FLR\n",
> + __func__, pdev->vendor, pdev->device, pdev->revision);
> +
> - adapter->surprise_removed = false;
> + ret = mwifiex_reinit_sw(adapter);
> + if (ret)
> + dev_err(&pdev->dev, "reinit failed: %d\n", ret);
> + else
> + mwifiex_dbg(adapter, INFO, "%s, successful\n", __func__);
> +}
> +
> +static const struct pci_error_handlers mwifiex_pcie_err_handler = {
> + .reset_prepare = mwifiex_pcie_reset_prepare,
> + .reset_done = mwifiex_pcie_reset_done,
> };
>
> #ifdef CONFIG_PM_SLEEP

--
Cheers,
Stephen Rothwell