patch "mei: me: fix irq number stored in hw struct" added to char-misc-linus
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This is a note to let you know that I've just added the patch titled
mei: me: fix irq number stored in hw struct
to my char-misc git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
in the char-misc-linus branch.
The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)
The patch will hopefully also be merged in Linus's tree for the next -rc kernel release.
If you have any questions about this process, please let me know.
From fec874a81b3ec280b91034d892a432fc71fd1522 Mon Sep 17 00:00:00 2001
From: Benjamin Lee <[email protected]>
Date: Fri, 17 Apr 2020 11:45:38 -0700
Subject: mei: me: fix irq number stored in hw struct
Commit 261b3e1f2a01 ("mei: me: store irq number in the hw struct.") stores the irq number in the hw struct before MSI is enabled. This caused a regression for mei_me_synchronize_irq() waiting for the wrong irq number. On my laptop this causes a hang on shutdown. Fix the issue by storing the irq number after enabling MSI.
--- drivers/misc/mei/pci-me.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
drivers/misc/mei/pci-me.c +2 -1
@@ -203,11 +203,12 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } hw =to_me_hw (dev); hw->mem_addr =pcim_iomap_table (pdev)[0 ]; - hw->irq = pdev->irq; hw->read_fws = mei_me_read_fws;pci_enable_msi (pdev); + hw->irq = pdev->irq; +/* request and enable interrupt */ irqflags =pci_dev_msi_enabled (pdev) ?IRQF_ONESHOT :IRQF_SHARED ;
Signature · 1 line
2.26.1