From: Loic Poulain Date: Wed, 3 Feb 2021 16:39:42 +0000 (+0100) Subject: mhi: pci_generic: Print warning in case of firmware crash X-Git-Tag: v5.12-rc1~46^2~51^2~1 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=1e2f29ba83c55b9778bdb60e77216b08dbd69bf5;p=tomoyo%2Ftomoyo-test1.git mhi: pci_generic: Print warning in case of firmware crash Print warning when MHI detects sys error. Signed-off-by: Loic Poulain Reviewed-by: Hemant Kumar Reviewed-by: Manivannan Sadhasivam Link: https://lore.kernel.org/r/1612370382-21643-1-git-send-email-loic.poulain@linaro.org Signed-off-by: Manivannan Sadhasivam --- diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c index 444693e3fd72..2476041f8d56 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -217,7 +217,17 @@ static void mhi_pci_write_reg(struct mhi_controller *mhi_cntrl, static void mhi_pci_status_cb(struct mhi_controller *mhi_cntrl, enum mhi_callback cb) { + struct pci_dev *pdev = to_pci_dev(mhi_cntrl->cntrl_dev); + /* Nothing to do for now */ + switch (cb) { + case MHI_CB_FATAL_ERROR: + case MHI_CB_SYS_ERROR: + dev_warn(&pdev->dev, "firmware crashed (%u)\n", cb); + break; + default: + break; + } } static bool mhi_pci_is_alive(struct mhi_controller *mhi_cntrl)