Commit b4bb8469 authored by Hector Martin's avatar Hector Martin Committed by Kalle Valo
Browse files

brcmfmac: pcie: Read the console on init and shutdown 



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: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarArend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: default avatarHector Martin <marcan@marcan.st>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220131160713.245637-10-marcan@marcan.st
parent e7191182

drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c

+4 −0
Original line number Diff line number Diff line
@@ -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)