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brcmfmac: pcie: Read the console on init and shutdown

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This allows us to get console messages if the firmware crashed during
early init, or if an operation failed and we're about to shut down.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Hector Martin <marcan@marcan.st>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220131160713.245637-10-marcan@marcan.st
This commit is contained in:
Hector Martin 2022-02-01 01:07:13 +09:00 committed by Kalle Valo
parent e7191182ad
commit b4bb8469e9
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
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@ -744,6 +744,8 @@ static void brcmf_pcie_bus_console_read(struct brcmf_pciedev_info *devinfo,
return;
console = &devinfo->shared.console;
if (!console->base_addr)
return;
addr = console->base_addr + BRCMF_CONSOLE_WRITEIDX_OFFSET;
newidx = brcmf_pcie_read_tcm32(devinfo, addr);
while (newidx != console->read_idx) {
@ -1520,6 +1522,7 @@ brcmf_pcie_init_share_ram_info(struct brcmf_pciedev_info *devinfo,
shared->max_rxbufpost, shared->rx_dataoffset);
brcmf_pcie_bus_console_init(devinfo);
brcmf_pcie_bus_console_read(devinfo, false);
return 0;
}
@ -1959,6 +1962,7 @@ brcmf_pcie_remove(struct pci_dev *pdev)
return;
devinfo = bus->bus_priv.pcie->devinfo;
brcmf_pcie_bus_console_read(devinfo, false);
devinfo->state = BRCMFMAC_PCIE_STATE_DOWN;
if (devinfo->ci)